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40 results on '"Van den Heuvel E"'

1. A validated Screening instrument for Child Abuse and Neglect (SCAN) at the emergency department

Author

Hoedeman, F., Puiman, P. J., van den Heuvel, E. A. L., Affourtit, M. J., Bakx, R., Langendam, M. W., van de Putte, E. M., Russel-Kampschoer, I. M. B., Schouten, M. C. M., Teeuw, A. H., de Koning, H. J., Moll, H. A., Hoedeman, F., Puiman, P. J., van den Heuvel, E. A. L., Affourtit, M. J., Bakx, R., Langendam, M. W., van de Putte, E. M., Russel-Kampschoer, I. M. B., Schouten, M. C. M., Teeuw, A. H., de Koning, H. J., and Moll, H. A.

Abstract

The objective of this study is to develop and validate a screening instrument for the recognition of child maltreatment in the emergency department (ED). Existing data on screening questions and outcomes (diagnosis of child maltreatment) from three large observational screening studies at eight different EDs in the Netherlands were harmonized. A multivariate logistic regression was performed to develop the Screening instrument for Child Abuse and Neglect (SCAN). The SCAN was validated by performing a cross-validation and calculating the discriminative ability. A total of 24,963 patients were included. Out of the potential screening questions the following questions were included in the final instrument: is the injury compatible with the history, and does it correspond to the child’s developmental level? (aOR 10.40, 95% CI 5.69–19.02), was there an unnecessary delay in seeking medical help? (aOR 3.45, 95% CI 1.73–6.88) and is the behaviour/interaction of the child and parents (carers) appropriate? (aOR 14.67, 95% CI 7.93–27.13). The SCAN had a pooled AUC of 0.75 (95% CI 0.63–0.87) in the cross-validation. The question “Are there other signals that make you doubt the safety of the child and/or family?” (available in only one of the original datasets, OR 182.9; 95% CI 102.3–327.4) was by consensus added to the final SCAN. Conclusion: This validated and brief Screening instrument for Child Abuse and Neglect (SCAN) is designed to improve early recognition of child maltreatment in the ED. A positive screening result of the SCAN warrants a thorough work-up for child maltreatment, including a top-toe examination, if necessary additional diagnostics and adequate safety measures.What is Known:• Screening instruments increase the detection of possible cases of child maltreatment in the emergency department and support health care professionals to identify these cases.• The application of different screening instruments led to the need for one brief validated instrument.What

Published
2023

4. The combined effect of cancer and cardiometabolic conditions on the mortality burden in older adults

Author

Raina, P. Gilsing, A. Freisling, H. Van Den Heuvel, E. Sohel, N. Jenab, M. Ferrari, P. Tjønneland, A. Benetou, V. Picavet, S. Eriksson, S. Schöttker, B. Brenner, H. Saum, K.-U. Perna, L. Wilsgaard, T. Trichopoulou, A. Boffetta, P. Griffith, L.E. and Raina, P. Gilsing, A. Freisling, H. Van Den Heuvel, E. Sohel, N. Jenab, M. Ferrari, P. Tjønneland, A. Benetou, V. Picavet, S. Eriksson, S. Schöttker, B. Brenner, H. Saum, K.-U. Perna, L. Wilsgaard, T. Trichopoulou, A. Boffetta, P. Griffith, L.E.

Abstract

Background: The number of older people living with cancer and cardiometabolic conditions is increasing, but little is known about how specific combinations of these conditions impact mortality. Methods: A total of 22,692 participants aged 65 years and older from four international cohorts were followed-up for mortality for an average of 10 years (8,596 deaths). Data were harmonized across cohorts and mutually exclusive groups of disease combinations were created for cancer, myocardial infarction (MI), stroke, and diabetes at baseline. Cox proportional hazards models for all-cause mortality were used to estimate the age- and sex-adjusted hazard ratio and rate advancement period (RAP) (in years). Results: At baseline, 23.6% (n = 5,116) of participants reported having one condition and 4.2% (n = 955) had two or more conditions. Data from all studies combined showed that the RAP increased with each additional condition. Diabetes advanced the rate of dying by the most years (5.26 years; 95% confidence interval [CI], 4.53-6.00), but the effect of any single condition was smaller than the effect of disease combinations. Some combinations had a significantly greater impact on the period by which the rate of death was advanced than others with the same number of conditions, for example, 10.9 years (95% CI, 9.4-12.6) for MI and diabetes versus 6.4 years (95% CI, 4.3-8.5) for cancer and diabetes. Conclusions: Combinations of cancer and cardiometabolic conditions accelerate mortality rates in older adults differently. Although most studies investigating mortality associated with multimorbidity used disease counts, these provide little guidance for managing complex patients as they age. © The Author(s) 2018. Published by Oxford University Press on behalf of The Gerontological Society of America. All rights reserved.

Published
2019

5. Cohort profile: the Canadian longitudinal study on aging (CLSA)

Author

Raina, Parminder, Wolfson, Christina, Kirkland, Susan, Griffith, Lauren E., Balion, Cynthia, Cossette, Benoȋt, Dionne, Isabelle, Hofer, Scott, Hogan, David, van den Heuvel, E. R., Liu-Ambrose, Teresa, Menec, Verena, Mugford, Gerald, Patterson, Christopher, Payette, Hélène, Richards, Brent, Shannon, Harry, Sheets, Debra, Taler, Vanessa, Thompson, Mary, Tuokko, Holly, Wister, Andrew, Wu, Changbao, Young, Lynne, Raina, Parminder, Wolfson, Christina, Kirkland, Susan, Griffith, Lauren E., Balion, Cynthia, Cossette, Benoȋt, Dionne, Isabelle, Hofer, Scott, Hogan, David, van den Heuvel, E. R., Liu-Ambrose, Teresa, Menec, Verena, Mugford, Gerald, Patterson, Christopher, Payette, Hélène, Richards, Brent, Shannon, Harry, Sheets, Debra, Taler, Vanessa, Thompson, Mary, Tuokko, Holly, Wister, Andrew, Wu, Changbao, and Young, Lynne

Published
2019

6. Cohort profile: the Canadian longitudinal study on aging (CLSA)

Author

Raina, Parminder, Wolfson, Christina, Kirkland, Susan, Griffith, Lauren E., Balion, Cynthia, Cossette, Benoȋt, Dionne, Isabelle, Hofer, Scott, Hogan, David, van den Heuvel, E. R., Liu-Ambrose, Teresa, Menec, Verena, Mugford, Gerald, Patterson, Christopher, Payette, Hélène, Richards, Brent, Shannon, Harry, Sheets, Debra, Taler, Vanessa, Thompson, Mary, Tuokko, Holly, Wister, Andrew, Wu, Changbao, Young, Lynne, Raina, Parminder, Wolfson, Christina, Kirkland, Susan, Griffith, Lauren E., Balion, Cynthia, Cossette, Benoȋt, Dionne, Isabelle, Hofer, Scott, Hogan, David, van den Heuvel, E. R., Liu-Ambrose, Teresa, Menec, Verena, Mugford, Gerald, Patterson, Christopher, Payette, Hélène, Richards, Brent, Shannon, Harry, Sheets, Debra, Taler, Vanessa, Thompson, Mary, Tuokko, Holly, Wister, Andrew, Wu, Changbao, and Young, Lynne

Published
2019

8. Familial liability to psychosis is a risk factor for multimorbidity in people with psychotic disorders and their unaffected siblings

Author

Islam, M.A., Khan, M. F.H., Quee, P.J., Snieder, H., van den Heuvel, E. R., Bruggeman, R., Alizadeh, B. Z., Bartels-Velthuis, Agna A, van Beveren, N.J., Cahn, W., de Haan, L., Delespaul, Philippe, Meijer, Carin J., Myin-Germeys, I., Kahn, R. S., Schirmbeck, Frederike, Simons, Claudia J.P., van Haren, N. E., van Os, J., van Winkel, R., GROUP Investigators, Islam, M.A., Khan, M. F.H., Quee, P.J., Snieder, H., van den Heuvel, E. R., Bruggeman, R., Alizadeh, B. Z., Bartels-Velthuis, Agna A, van Beveren, N.J., Cahn, W., de Haan, L., Delespaul, Philippe, Meijer, Carin J., Myin-Germeys, I., Kahn, R. S., Schirmbeck, Frederike, Simons, Claudia J.P., van Haren, N. E., van Os, J., van Winkel, R., and GROUP Investigators

Published
2017

9. Familial liability to psychosis is a risk factor for multimorbidity in people with psychotic disorders and their unaffected siblings

Author

Islam, M.A., Khan, M. F.H., Quee, P.J., Snieder, H., van den Heuvel, E. R., Bruggeman, R., Alizadeh, B. Z., Bartels-Velthuis, Agna A, van Beveren, N.J., Cahn, W., de Haan, L., Delespaul, Philippe, Meijer, Carin J., Myin-Germeys, I., Kahn, R. S., Schirmbeck, Frederike, Simons, Claudia J.P., van Haren, N. E., van Os, J., van Winkel, R., GROUP Investigators, Islam, M.A., Khan, M. F.H., Quee, P.J., Snieder, H., van den Heuvel, E. R., Bruggeman, R., Alizadeh, B. Z., Bartels-Velthuis, Agna A, van Beveren, N.J., Cahn, W., de Haan, L., Delespaul, Philippe, Meijer, Carin J., Myin-Germeys, I., Kahn, R. S., Schirmbeck, Frederike, Simons, Claudia J.P., van Haren, N. E., van Os, J., van Winkel, R., and GROUP Investigators

Published
2017

10. Familial liability to psychosis is a risk factor for multimorbidity in people with psychotic disorders and their unaffected siblings

Author

Islam, M.A., Khan, M. F.H., Quee, P.J., Snieder, H., van den Heuvel, E. R., Bruggeman, R., Alizadeh, B. Z., Bartels-Velthuis, Agna A, van Beveren, N.J., Cahn, W., de Haan, L., Delespaul, Philippe, Meijer, Carin J., Myin-Germeys, I., Kahn, R. S., Schirmbeck, Frederike, Simons, Claudia J.P., van Haren, N. E., van Os, J., van Winkel, R., GROUP Investigators, Islam, M.A., Khan, M. F.H., Quee, P.J., Snieder, H., van den Heuvel, E. R., Bruggeman, R., Alizadeh, B. Z., Bartels-Velthuis, Agna A, van Beveren, N.J., Cahn, W., de Haan, L., Delespaul, Philippe, Meijer, Carin J., Myin-Germeys, I., Kahn, R. S., Schirmbeck, Frederike, Simons, Claudia J.P., van Haren, N. E., van Os, J., van Winkel, R., and GROUP Investigators

Published
2017

11. Familial liability to psychosis is a risk factor for multimorbidity in people with psychotic disorders and their unaffected siblings

Author

UMC Utrecht, Affectieve & Psychotische Med., Brain, Onderzoeksgroep 11, Onderzoeksgroep 4, Islam, M.A., Khan, M. F.H., Quee, P.J., Snieder, H., van den Heuvel, E. R., Bruggeman, R., Alizadeh, B. Z., Bartels-Velthuis, Agna A, van Beveren, N.J., Cahn, W., de Haan, L., Delespaul, Philippe, Meijer, Carin J., Myin-Germeys, I., Kahn, R. S., Schirmbeck, Frederike, Simons, Claudia J.P., van Haren, N. E., van Os, J., van Winkel, R., GROUP Investigators, UMC Utrecht, Affectieve & Psychotische Med., Brain, Onderzoeksgroep 11, Onderzoeksgroep 4, Islam, M.A., Khan, M. F.H., Quee, P.J., Snieder, H., van den Heuvel, E. R., Bruggeman, R., Alizadeh, B. Z., Bartels-Velthuis, Agna A, van Beveren, N.J., Cahn, W., de Haan, L., Delespaul, Philippe, Meijer, Carin J., Myin-Germeys, I., Kahn, R. S., Schirmbeck, Frederike, Simons, Claudia J.P., van Haren, N. E., van Os, J., van Winkel, R., and GROUP Investigators

Published
2017

12. Influence of baseline severity on antidepressant efficacy for anxiety disorders: meta-analysis and meta-regression

Author

de Vries, Y.A., De Jonge, P., van den Heuvel, E., Turner, E.H., Roest, A.M., de Vries, Y.A., De Jonge, P., van den Heuvel, E., Turner, E.H., and Roest, A.M.

Abstract

Background Antidepressants are established first-line treatments for anxiety disorders, but it is not clear whether they are equally effective across the severity range. Aims To examine the influence of baseline severity of anxiety on antidepressant efficacy for generalised anxiety disorder (GAD), social anxiety disorder (SAD), obsessive-compulsive disorder (OCD), post-traumatic stress disorder (PTSD) and panic disorder. Method Fifty-six trials of second-generation antidepressants for the short-term treatment of an anxiety disorder were included. Baseline and change scores were extracted for placebo and treatment groups in each trial. Mixed effects meta-regression was used to investigate the effects of treatment group, baseline severity and their interaction. Results Increased baseline severity did not predict greater improvement in drug groups compared with placebo groups. Standardised regression coefficients of the interaction term between baseline severity and treatment group were 0.04 (95% CI 70.13 to 0.20, P = 0.65) for GAD, 70.06 (95% CI 70.20 to 0.09, P = 0.43) for SAD, 0.04 (95% CI 70.07 to 0.16, P = 0.46) for OCD, 0.16 (95% CI 70.22 to 0.53, P = 0.37) for PTSD and 0.002 (95% CI 70.10 to 0.10, P = 0.96) for panic disorder. For OCD, baseline severity did predict improvement in both placebo and drug groups equally (b = 0.11, 95% CI 0.05 to 0.17, P = 0.001). Conclusions No relationship between baseline severity and drug-placebo difference was found for anxiety disorders. These results suggest that if the efficacy of antidepressants is considered clinically relevant, they may be prescribed to patients with anxiety regardless of symptom severity.

Published
2016

13. Influence of baseline severity on antidepressant efficacy for anxiety disorders: meta-analysis and meta-regression

Author

de Vries, Y.A., De Jonge, P., van den Heuvel, E., Turner, E.H., Roest, A.M., de Vries, Y.A., De Jonge, P., van den Heuvel, E., Turner, E.H., and Roest, A.M.

Abstract

Background Antidepressants are established first-line treatments for anxiety disorders, but it is not clear whether they are equally effective across the severity range. Aims To examine the influence of baseline severity of anxiety on antidepressant efficacy for generalised anxiety disorder (GAD), social anxiety disorder (SAD), obsessive-compulsive disorder (OCD), post-traumatic stress disorder (PTSD) and panic disorder. Method Fifty-six trials of second-generation antidepressants for the short-term treatment of an anxiety disorder were included. Baseline and change scores were extracted for placebo and treatment groups in each trial. Mixed effects meta-regression was used to investigate the effects of treatment group, baseline severity and their interaction. Results Increased baseline severity did not predict greater improvement in drug groups compared with placebo groups. Standardised regression coefficients of the interaction term between baseline severity and treatment group were 0.04 (95% CI 70.13 to 0.20, P = 0.65) for GAD, 70.06 (95% CI 70.20 to 0.09, P = 0.43) for SAD, 0.04 (95% CI 70.07 to 0.16, P = 0.46) for OCD, 0.16 (95% CI 70.22 to 0.53, P = 0.37) for PTSD and 0.002 (95% CI 70.10 to 0.10, P = 0.96) for panic disorder. For OCD, baseline severity did predict improvement in both placebo and drug groups equally (b = 0.11, 95% CI 0.05 to 0.17, P = 0.001). Conclusions No relationship between baseline severity and drug-placebo difference was found for anxiety disorders. These results suggest that if the efficacy of antidepressants is considered clinically relevant, they may be prescribed to patients with anxiety regardless of symptom severity.

Published
2016

14. Milk Enhances In Vitro Accessibility and Fractional Absorption of Zinc (FAZ) from High Phytate Intrinsically Labelled Rice in Humans

Author

Melse‐Boonstra, A., Talsma, E.F., Fitri, A., Dekkers, R., van den Heuvel, E., Boelsma, E., Ly, S., Stomph, T.J., Zeder, C., Moretti, D., Melse‐Boonstra, A., Talsma, E.F., Fitri, A., Dekkers, R., van den Heuvel, E., Boelsma, E., Ly, S., Stomph, T.J., Zeder, C., and Moretti, D.

Abstract

Zn absorption is hampered by phytate (PA), which is present in large amounts in plant-based foods. We aimed to assess in vitro Zn accessibility at various PA/Zn molar ratios, as well as fractional absorption of Zn from partially polished intrinsically labelled rice with and without the addition of milk in humans. Triplicate samples of steamed white rice were blended with water, raw milk or UHT milk, and incubated for 4 hrs in the absence or presence of PA, and Zn content in the supernatant was assessed. Female subjects (n=18) were given 90 g of steamed rice that was intrinsically labelled with 67Zn (75%), either with water or milk in a cross-over design with a 1-month washout period. Both meals contained the same amount of Zn. An intravenous infusion dose of 0.02 mg 70Zn in saline was given half-way each meal. FAZ was determined from isotope ratios measured in spot urine samples collected 4 days after consumption of the rice meal. UHT milk and raw milk showed a significantly higher extraction of Zn from white rice in comparison to water at PA/Zn molar ratios of 15 and 30. In human subjects, FAZ from rice was 13.4% (SD 3.8) from rice consumed with water (n=18) and 21.7% (SD 4.0) from rice consumed with milk (n=17; paired t-test, P

Published
2015

15. Safety of intralesional cidofovir in patients with recurrent respiratory papillomatosis: an international retrospective study on 635 RRP patients.

Author

UCL - (MGD) Service d'oto-rhino-laryngologie, Tjon Pian Gi, R E A, Ilmarinen, T, van den Heuvel, E R, Aaltonen, L M, Andersen, J, Brunings, J W, Chirila, M, Dietz, A, Ferran Vilà, F, Friedrich, G, de Gier, H H W, Golusinski, W, Graupp, M, Hantzakos, A, Horcasitas, R, Jackowska, J, Koelmel, J C, Lawson, Georges, Lindner, F, Remacle, Marc, Sittel, C, Weichbold, V, Wierzbicka, M, Dikkers, F G, UCL - (MGD) Service d'oto-rhino-laryngologie, Tjon Pian Gi, R E A, Ilmarinen, T, van den Heuvel, E R, Aaltonen, L M, Andersen, J, Brunings, J W, Chirila, M, Dietz, A, Ferran Vilà, F, Friedrich, G, de Gier, H H W, Golusinski, W, Graupp, M, Hantzakos, A, Horcasitas, R, Jackowska, J, Koelmel, J C, Lawson, Georges, Lindner, F, Remacle, Marc, Sittel, C, Weichbold, V, Wierzbicka, M, and Dikkers, F G

Abstract

Intralesional use of cidofovir (Vistide(®)) has been one of the mainstays of adjuvant therapy in patients with recurrent respiratory papillomatosis (RRP) since 1998. In 2011, a communication provided by the producer of cidofovir addressed very serious side effects concerning its off-label use. As this was a general warning, it was inconclusive whether this would account for its use in RRP. The aim of this study is to determine whether nephrotoxic, neutropenic, or oncogenic side effects have occurred after intralesional use of cidofovir in patients with RRP. Update of recent developments in RRP, a multicentre questionnaire and a multicentre retrospective chart review. Sixteen hospitals from eleven countries worldwide submitted records of 635 RRP patients, of whom 275 were treated with cidofovir. RRP patients received a median of three intralesional injections (interquartile range 2-6). There were no statistical differences in occurrence of neutropenia or renal dysfunction before and after cidofovir. There was no statistical difference in occurrence of upper airway and tracheal malignancies between the cidofovir and the non-cidofovir group. In this retrospective patient chart review, no clinical evidence was found for more long-term nephrotoxicity, neutropenia or laryngeal malignancies after the administration of intralesional cidofovir in RRP patients.

Published
2013

16. MAXI J1659-152: The shortest orbital period black-hole transient in outburst

Author

Kuulkers, E., Kouveliotou, C., Belloni, T., Cadolle Bel, M., Chenevez, Jérôme, Trigo, M. Diaz, Homan, J., Ibarra, A., Kennea, J. A., Muñoz-Darias, T., Ness, J.-U., Parmar, A. N., Pollock, A. M. T., van den Heuvel, E. P. J., van der Horst, A. J., Kuulkers, E., Kouveliotou, C., Belloni, T., Cadolle Bel, M., Chenevez, Jérôme, Trigo, M. Diaz, Homan, J., Ibarra, A., Kennea, J. A., Muñoz-Darias, T., Ness, J.-U., Parmar, A. N., Pollock, A. M. T., van den Heuvel, E. P. J., and van der Horst, A. J.

Abstract

MAXI J1659−152 is a bright X-ray transient black-hole candidate binary system discovered in September 2010. We report here on MAXI, RXTE, Swift, and XMM-Newton observations during its 2010/2011 outburst. We find that during the first one and a half week of the outburst the X-ray light curves display drops in intensity at regular intervals, which we interpret as absorption dips. About three weeks into the outbursts, again drops in intensity are seen. These dips have, however, a spectral behaviour opposite to that of the absorption dips, and are related to fast spectral state changes (hence referred to as transition dips). The absorption dips recur with a period of 2.414 ± 0.005 h, which we interpret as the orbital period of the system. This implies that MAXI J1659−152 is the shortest period black-hole candidate binary known to date. The inclination of the accretion disk with respect to the line of sight is estimated to be 65–80°. We propose the companion to the black-hole candidate to be close to an M5 dwarf star, with a mass and radius of about 0.15–0.25 M⊙ and 0.2–0.25 R⊙, respectively. We derive that the companion had an initial mass of about 1.5 M⊙, which evolved to its current mass in about 5–6 billion years. The system is rather compact (orbital separation of ≳1.33 R⊙), and is located at a distance of 8.6 ± 3.7 kpc, with a height above the Galactic plane of 2.4 ± 1.0 kpc. The characteristics of short orbital period and high Galactic scale height are shared with two other transient black-hole candidate X-ray binaries, i.e., XTE J1118+480 and Swift J1735.5−0127. We suggest that all three are kicked out of the Galactic plane into the halo, rather than being formed in a globular cluster.

Published
2013

17. Smakelijk eten : aandacht voor eten bij het Leger des Heils

Author

Snels, J.C.M.A., Klein Gebbink, S.A., van den Boogaard, K., Delahay, E., Borgijink, J., van den Heuvel, E., Houtman, J., Kleeven, N., Koenders, L., Saris, A., Steeghs, V., Snels, J.C.M.A., Klein Gebbink, S.A., van den Boogaard, K., Delahay, E., Borgijink, J., van den Heuvel, E., Houtman, J., Kleeven, N., Koenders, L., Saris, A., and Steeghs, V.

Abstract

Het Leger des Heils wil meer aandacht voor eten. Het wil voedselverspilling tegengaan door reststromen voedsel uit de voedselindustrie te gebruiken bij de productie van warme maaltijden en waar mogelijk de kwaliteit en beleving van maaltijden verbeteren. Het voorliggend onderzoek gaat in op mogelijkheden om deze ambitie te bereiken.

Published
2012

18. Cygnus X-3 and the problem of the missing Wolf-Rayet X-ray binaries

Author

Lommen, D., Yungelson, L., van den Heuvel, E., Nelemans, G.A., Portegies Zwart, S., Lommen, D., Yungelson, L., van den Heuvel, E., Nelemans, G.A., and Portegies Zwart, S.

Abstract

Contains fulltext : 32375.pdf ( ) (Open Access) Contains fulltext : 32375.pdf (publisher's version ) (Open Access), Cygnus X-3 is a strong X-ray source (LX ≈ 1038 erg s-1) which is thought to consist of a compact object accreting matter from a helium star. We analytically find that the estimated ranges of mass-loss rate and orbital-period derivative for Cyg X-3 are consistent with two models: i) the system is detached and the mass loss from the system comes from the stellar wind of a massive helium star, of which only a fraction that allows for the observed X-ray luminosity is accreted, or ii) the system is semidetached and a Roche-lobe-overflowing low- or moderate-mass helium donor transfers mass to the compact object, followed by ejection of its excess over the Eddington rate from the system. These analytical results appear to be consistent with evolutionary calculations. By means of population synthesis we find that currently in the Galaxy there may exist ~1 X-ray binary with a black hole that accretes from a ⪆7~M_⊙ Wolf-Rayet star and ~1 X-ray binary in which a neutron star accretes matter from a Roche-lobe-overflowing helium star with mass ⪅1.5~M_⊙. Cyg X-3 is probably one of these systems.

Published
2005

19. Cygnus X-3 and the problem of the missing Wolf-Rayet X-ray binaries

Author

Lommen, D., Yungelson, L., van den Heuvel, E., Nelemans, G.A., Portegies Zwart, S., Lommen, D., Yungelson, L., van den Heuvel, E., Nelemans, G.A., and Portegies Zwart, S.

Abstract

Contains fulltext : 32375.pdf ( ) (Open Access) Contains fulltext : 32375.pdf (publisher's version ) (Open Access), Cygnus X-3 is a strong X-ray source (LX ≈ 1038 erg s-1) which is thought to consist of a compact object accreting matter from a helium star. We analytically find that the estimated ranges of mass-loss rate and orbital-period derivative for Cyg X-3 are consistent with two models: i) the system is detached and the mass loss from the system comes from the stellar wind of a massive helium star, of which only a fraction that allows for the observed X-ray luminosity is accreted, or ii) the system is semidetached and a Roche-lobe-overflowing low- or moderate-mass helium donor transfers mass to the compact object, followed by ejection of its excess over the Eddington rate from the system. These analytical results appear to be consistent with evolutionary calculations. By means of population synthesis we find that currently in the Galaxy there may exist ~1 X-ray binary with a black hole that accretes from a ⪆7~M_⊙ Wolf-Rayet star and ~1 X-ray binary in which a neutron star accretes matter from a Roche-lobe-overflowing helium star with mass ⪅1.5~M_⊙. Cyg X-3 is probably one of these systems.

Published
2005

20. Cygnus X-3 and the problem of the missing Wolf-Rayet X-ray binaries

Author

Lommen, D., Yungelson, L., van den Heuvel, E., Nelemans, G.A., Portegies Zwart, S., Lommen, D., Yungelson, L., van den Heuvel, E., Nelemans, G.A., and Portegies Zwart, S.

Abstract

Contains fulltext : 32375.pdf ( ) (Open Access) Contains fulltext : 32375.pdf (publisher's version ) (Open Access), Cygnus X-3 is a strong X-ray source (LX ≈ 1038 erg s-1) which is thought to consist of a compact object accreting matter from a helium star. We analytically find that the estimated ranges of mass-loss rate and orbital-period derivative for Cyg X-3 are consistent with two models: i) the system is detached and the mass loss from the system comes from the stellar wind of a massive helium star, of which only a fraction that allows for the observed X-ray luminosity is accreted, or ii) the system is semidetached and a Roche-lobe-overflowing low- or moderate-mass helium donor transfers mass to the compact object, followed by ejection of its excess over the Eddington rate from the system. These analytical results appear to be consistent with evolutionary calculations. By means of population synthesis we find that currently in the Galaxy there may exist ~1 X-ray binary with a black hole that accretes from a ⪆7~M_⊙ Wolf-Rayet star and ~1 X-ray binary in which a neutron star accretes matter from a Roche-lobe-overflowing helium star with mass ⪅1.5~M_⊙. Cyg X-3 is probably one of these systems.

Published
2005

21. On the jet structure and magnetic field configuration of GRB-020813

Author

Lazzati, D., Covino, S., Grosabel, J., Rossi, E., Ghisellini, G., Rol, E., Castro-tirado, A.J., Della Valle, M., di Serego Alighieri, S., Fruchter, A.S., Fynbo, Johan Peter Uldall, Goldoni, P., Hjorth, J., Israel, G.L., Kaper, L., Kawai, N., Le Floch, E., Masetti, N., Mirabel, F., Moller, P., Ortolani, S., Palazzi, E., Pian, E., Rhoads, J., Ricker, G., Salmonson, J.D., Stella, L., Tagliaferri, G., Tanvir, N., van den Heuvel, E., Wijers, R.A.M.J., Zerbi, F.M., Castro Cerón, José María, Malesani, Daniele, Lazzati, D., Covino, S., Grosabel, J., Rossi, E., Ghisellini, G., Rol, E., Castro-tirado, A.J., Della Valle, M., di Serego Alighieri, S., Fruchter, A.S., Fynbo, Johan Peter Uldall, Goldoni, P., Hjorth, J., Israel, G.L., Kaper, L., Kawai, N., Le Floch, E., Masetti, N., Mirabel, F., Moller, P., Ortolani, S., Palazzi, E., Pian, E., Rhoads, J., Ricker, G., Salmonson, J.D., Stella, L., Tagliaferri, G., Tanvir, N., van den Heuvel, E., Wijers, R.A.M.J., Zerbi, F.M., Castro Cerón, José María, and Malesani, Daniele

Published
2004

22. Probing a gamma-ray burst progenitor at a redshift of z=2:a comprehensive observing campaign of the afterglow og GRB 030226

Author

Klose, S., Greiner, J., Henden, A., Hartmann, D.H., Zeh, A., Ries, Christopher Jacob, Masetti, N., Guenther, E., Gorosabel, J., Stecklum, B., Antonelli, L.A., Brinkworth, C., Castro-Tirado, A.J., Covino, S., Fruchter, A., Fynbo, J.P. U., Ghisellini, G., Hjorth, J., Hudec, R., Jelinek, M., Kaper, L., Kouveliotou, C., Lindsay, K., Maiorano, E., Mannucci, F., Nysewander, M., Palazzi, E., Pedersen, K., Pian, E., Reichart, P.A., Rhoads, J., Rol, E., Samail, I., Tanvir, N. R., De Ugarte Postigo, A., vreeswijk, P. M., Wijers, R.A.M.J., van den Heuvel, E., Castro Cerón, José María, Malesani, Daniele, Klose, S., Greiner, J., Henden, A., Hartmann, D.H., Zeh, A., Ries, Christopher Jacob, Masetti, N., Guenther, E., Gorosabel, J., Stecklum, B., Antonelli, L.A., Brinkworth, C., Castro-Tirado, A.J., Covino, S., Fruchter, A., Fynbo, J.P. U., Ghisellini, G., Hjorth, J., Hudec, R., Jelinek, M., Kaper, L., Kouveliotou, C., Lindsay, K., Maiorano, E., Mannucci, F., Nysewander, M., Palazzi, E., Pedersen, K., Pian, E., Reichart, P.A., Rhoads, J., Rol, E., Samail, I., Tanvir, N. R., De Ugarte Postigo, A., vreeswijk, P. M., Wijers, R.A.M.J., van den Heuvel, E., Castro Cerón, José María, and Malesani, Daniele

Abstract

Astronomy

Published
2004

23. Probing a gamma-ray burst progenitor at a redshift of z=2:a comprehensive observing campaign of the afterglow og GRB 030226

Author

Klose, S., Greiner, J., Henden, A., Hartmann, D.H., Zeh, A., Ries, Christopher Jacob, Masetti, N., Guenther, E., Gorosabel, J., Stecklum, B., Antonelli, L.A., Brinkworth, C., Castro-Tirado, A.J., Covino, S., Fruchter, A., Fynbo, J.P. U., Ghisellini, G., Hjorth, J., Hudec, R., Jelinek, M., Kaper, L., Kouveliotou, C., Lindsay, K., Maiorano, E., Mannucci, F., Nysewander, M., Palazzi, E., Pedersen, K., Pian, E., Reichart, P.A., Rhoads, J., Rol, E., Samail, I., Tanvir, N. R., De Ugarte Postigo, A., vreeswijk, P. M., Wijers, R.A.M.J., van den Heuvel, E., Castro Cerón, José María, Malesani, Daniele, Klose, S., Greiner, J., Henden, A., Hartmann, D.H., Zeh, A., Ries, Christopher Jacob, Masetti, N., Guenther, E., Gorosabel, J., Stecklum, B., Antonelli, L.A., Brinkworth, C., Castro-Tirado, A.J., Covino, S., Fruchter, A., Fynbo, J.P. U., Ghisellini, G., Hjorth, J., Hudec, R., Jelinek, M., Kaper, L., Kouveliotou, C., Lindsay, K., Maiorano, E., Mannucci, F., Nysewander, M., Palazzi, E., Pedersen, K., Pian, E., Reichart, P.A., Rhoads, J., Rol, E., Samail, I., Tanvir, N. R., De Ugarte Postigo, A., vreeswijk, P. M., Wijers, R.A.M.J., van den Heuvel, E., Castro Cerón, José María, and Malesani, Daniele

Abstract

Astronomy

Published
2004

24. On the jet structure and magnetic field configuration of GRB-020813

Author

Lazzati, D., Covino, S., Grosabel, J., Rossi, E., Ghisellini, G., Rol, E., Castro-tirado, A.J., Della Valle, M., di Serego Alighieri, S., Fruchter, A.S., Fynbo, Johan Peter Uldall, Goldoni, P., Hjorth, J., Israel, G.L., Kaper, L., Kawai, N., Le Floch, E., Masetti, N., Mirabel, F., Moller, P., Ortolani, S., Palazzi, E., Pian, E., Rhoads, J., Ricker, G., Salmonson, J.D., Stella, L., Tagliaferri, G., Tanvir, N., van den Heuvel, E., Wijers, R.A.M.J., Zerbi, F.M., Castro Cerón, José María, Malesani, Daniele, Lazzati, D., Covino, S., Grosabel, J., Rossi, E., Ghisellini, G., Rol, E., Castro-tirado, A.J., Della Valle, M., di Serego Alighieri, S., Fruchter, A.S., Fynbo, Johan Peter Uldall, Goldoni, P., Hjorth, J., Israel, G.L., Kaper, L., Kawai, N., Le Floch, E., Masetti, N., Mirabel, F., Moller, P., Ortolani, S., Palazzi, E., Pian, E., Rhoads, J., Ricker, G., Salmonson, J.D., Stella, L., Tagliaferri, G., Tanvir, N., van den Heuvel, E., Wijers, R.A.M.J., Zerbi, F.M., Castro Cerón, José María, and Malesani, Daniele

Published
2004

25. GRB 030227:The first multiwavelength afterglow of an INTEGRAL GRB

Author

Castro-Tirado, A. J., Gorosabel, J., Guziy, S., Reverte, D., Castro Cerón, J. M., De Ugarte Postigo, A., Tanvir, N., Mereghetti, S., Tiengo, A., Buckle, J., Sagar, R., Pandey, S. B., Mohan, V., Masetti, N., Mannucci, F., Feltzing, S., Lundstrom, I., Pedersen, H., Riess, C., Trushkin, S., Vílhez, J., Lund, N., Brandt, S., Martínez Núñez, S., Reglero, V., Pérez-Ramírez, M. D., Klose, S., Greiner, J., Hjorth, J., Kaper, L., Pian, E., Palazzi, E., Andersen, M. I., Fruchter, A., Fynbo, J. P.U., Jensen, B. L., Kouveliotou, C., Rhoads, J., Rol, E., Vreeswijk, P. M., Wijers, R. A.M.J., Van den Heuvel, E., Castro-Tirado, A. J., Gorosabel, J., Guziy, S., Reverte, D., Castro Cerón, J. M., De Ugarte Postigo, A., Tanvir, N., Mereghetti, S., Tiengo, A., Buckle, J., Sagar, R., Pandey, S. B., Mohan, V., Masetti, N., Mannucci, F., Feltzing, S., Lundstrom, I., Pedersen, H., Riess, C., Trushkin, S., Vílhez, J., Lund, N., Brandt, S., Martínez Núñez, S., Reglero, V., Pérez-Ramírez, M. D., Klose, S., Greiner, J., Hjorth, J., Kaper, L., Pian, E., Palazzi, E., Andersen, M. I., Fruchter, A., Fynbo, J. P.U., Jensen, B. L., Kouveliotou, C., Rhoads, J., Rol, E., Vreeswijk, P. M., Wijers, R. A.M.J., and Van den Heuvel, E.

Published
2003

26. GRB 030227:The first multiwavelength afterglow of an INTEGRAL GRB

Author

Castro-Tirado, A. J., Gorosabel, J., Guziy, S., Reverte, D., Castro Cerón, J. M., De Ugarte Postigo, A., Tanvir, N., Mereghetti, S., Tiengo, A., Buckle, J., Sagar, R., Pandey, S. B., Mohan, V., Masetti, N., Mannucci, F., Feltzing, S., Lundstrom, I., Pedersen, H., Riess, C., Trushkin, S., Vílhez, J., Lund, N., Brandt, S., Martínez Núñez, S., Reglero, V., Pérez-Ramírez, M. D., Klose, S., Greiner, J., Hjorth, J., Kaper, L., Pian, E., Palazzi, E., Andersen, M. I., Fruchter, A., Fynbo, J. P.U., Jensen, B. L., Kouveliotou, C., Rhoads, J., Rol, E., Vreeswijk, P. M., Wijers, R. A.M.J., Van den Heuvel, E., Castro-Tirado, A. J., Gorosabel, J., Guziy, S., Reverte, D., Castro Cerón, J. M., De Ugarte Postigo, A., Tanvir, N., Mereghetti, S., Tiengo, A., Buckle, J., Sagar, R., Pandey, S. B., Mohan, V., Masetti, N., Mannucci, F., Feltzing, S., Lundstrom, I., Pedersen, H., Riess, C., Trushkin, S., Vílhez, J., Lund, N., Brandt, S., Martínez Núñez, S., Reglero, V., Pérez-Ramírez, M. D., Klose, S., Greiner, J., Hjorth, J., Kaper, L., Pian, E., Palazzi, E., Andersen, M. I., Fruchter, A., Fynbo, J. P.U., Jensen, B. L., Kouveliotou, C., Rhoads, J., Rol, E., Vreeswijk, P. M., Wijers, R. A.M.J., and Van den Heuvel, E.

Published
2003

27. GRB 030227 : The first multiwavelength afterglow of an INTEGRAL GRB

Author

Castro-Tirado, A. J., Gorosabel, J., Guziy, S., Reverte, D., Castro Cerón, J. M., de Ugarte Postigo, A., Tanvir, N., Mereghetti, S., Tiengo, A., Buckle, J., Sagar, R., Pandey, S. B., Mohan, V., Masetti, N., Mannucci, F., Feltzing, Sofia, Lundström, Ingemar, Pedersen, H., Riess, C., Trushkin, S., Vílchez, J., Lund, N., Brandt, S., Martínez Núñez, S., Reglero, V., Pérez-Ramírez, M. D., Klose, S., Greiner, J., Hjorth, J., Kaper, L., Pian, E., Palazzi, E., Andersen, M. I., Fruchter, A., Fynbo, J. P. U., Jensen, B. L., Kouveliotou, C., Rhoads, J., Rol, E., Vreeswijk, P. M., Wijers, R. A. M. J., van den Heuvel, E., Castro-Tirado, A. J., Gorosabel, J., Guziy, S., Reverte, D., Castro Cerón, J. M., de Ugarte Postigo, A., Tanvir, N., Mereghetti, S., Tiengo, A., Buckle, J., Sagar, R., Pandey, S. B., Mohan, V., Masetti, N., Mannucci, F., Feltzing, Sofia, Lundström, Ingemar, Pedersen, H., Riess, C., Trushkin, S., Vílchez, J., Lund, N., Brandt, S., Martínez Núñez, S., Reglero, V., Pérez-Ramírez, M. D., Klose, S., Greiner, J., Hjorth, J., Kaper, L., Pian, E., Palazzi, E., Andersen, M. I., Fruchter, A., Fynbo, J. P. U., Jensen, B. L., Kouveliotou, C., Rhoads, J., Rol, E., Vreeswijk, P. M., Wijers, R. A. M. J., and van den Heuvel, E.

Abstract

We present multiwavelength observations of a gamma-ray burst detected byINTEGRAL (GRB 030227) between 5.3 hours and ~ 1.7days after the event. Here we report the discovery of a dim opticalafterglow (OA) that would not have been detected by many previoussearches due to its faintess (R ~ 23). This OA was seen to declinefollowing a power law decay with index alpha R = -0.95 +/-0.16. The spectral index beta_ opt/NIR yielded -1.25 +/- 0.14. Thesevalues may be explained by a relativistic expansion of a fireball (withp = 2.0) in the cooling regime. We also find evidence for inverseCompton scattering in X-rays.Based on observations with INTEGRAL, an ESA project with instruments andscience data centre funded by ESA member states (especially the PIcountries: Denmark, France, Germany, Italy, Switzerland, Spain), CzechRepublic and Poland, and with the participation of Russia and the USA.Also partially based on observations collected by the Gamma-Ray BurstCollaboration at ESO (GRACE) at the European Southern Observatory, Chile(ESO Large Programme 165.H-0464).

Published
2003

28. A multi-colour study of the dark GRB 000210 host galaxy and its environment

Author

Gorosabel, J., Christensen, Lise, Hjorth, J., Fynbo, J.U., Pedersen, Henrik, Jensen, Bente Lundgård, Andersen, M.I., Lund, Niels, Jaunsen, A.O., Ceron, J.M.C., Castro-Tirado, A.J., Fruchter, A., Greiner, J., Pian, E., Vreeswijk, P.M., Burud, I., Frontera, F., Kaper, L., Klose, S., Kouveliotou, C., Masetti, N., Palazzi, E., Rhoads, J., Rol, E., Salamanca, I., Tanvir, N., Wijers, R.A.M.J., van den Heuvel, E., Gorosabel, J., Christensen, Lise, Hjorth, J., Fynbo, J.U., Pedersen, Henrik, Jensen, Bente Lundgård, Andersen, M.I., Lund, Niels, Jaunsen, A.O., Ceron, J.M.C., Castro-Tirado, A.J., Fruchter, A., Greiner, J., Pian, E., Vreeswijk, P.M., Burud, I., Frontera, F., Kaper, L., Klose, S., Kouveliotou, C., Masetti, N., Palazzi, E., Rhoads, J., Rol, E., Salamanca, I., Tanvir, N., Wijers, R.A.M.J., and van den Heuvel, E.

Abstract

We present UBVRIZJsHKs broad band photometry of the host galaxy of the dark gamma-ray burst (GRB) of February 10, 2000. These observations represent the most exhaustive photometry given to date of any GRB host galaxy. A grid of spectral templates have been fitted to the Spectral Energy Distribution (SED) of the host. The derived photometric redshift is z = 0.842(-0.042)(+0.014), which is in excellent agreement with the spectroscopic redshift (z = 0.8463 +/- 0.0002) proposed by Piro et al. (2002) based on a single emission line. Furthermore, we have determined the photometric redshift of all the galaxies in an area of 6' x 6' around the host galaxy, in order to check for their overdensity in the environment of the host. We find that the GRB 000210 host galaxy is a subluminous galaxy (L similar to 0.5 +/- 0.2 L*), with no companions above our detection threshold of 0.18 +/- 0.06 L*. Based on the restframe ultraviolet flux a star formation rate of 2.1 +/- 0.2 M, yr(-1) is estimated. The best fit to the SED is obtained for a starburst template with an age of 0.181(-0.026)(+0.037) Gyr and a very low extinction (A(v) similar to 0). We discuss the implications of the inferred low value of Av and the age of the dominant stellar population for the non-detection of the GRB 000210 optical afterglow.

Published
2003

29. The blue host galaxy of the red GRB 000418

Author

Gorosabel, J., Klose, S., Christensen, L., Fynbo, J.P.U., Hjorth, J., Greiner, J., Tanvir, N., Jensen, Bente Lundgård, Pedersen, Henrik, Holland, S.T., Lund, Niels, Jaunsen, A.O., Ceron, J.M.C., Castro-Tirado, A.J., Fruchter, A., Pian, E., Vreeswijk, P.M., Burud, I., Frontera, F., Kaper, L., Kouveliotou, C., Masetti, N., Palazzi, E., Rhoads, J., Rol, E., Salamanca, I., Wijers, R.A.M.J., van den Heuvel, E., Gorosabel, J., Klose, S., Christensen, L., Fynbo, J.P.U., Hjorth, J., Greiner, J., Tanvir, N., Jensen, Bente Lundgård, Pedersen, Henrik, Holland, S.T., Lund, Niels, Jaunsen, A.O., Ceron, J.M.C., Castro-Tirado, A.J., Fruchter, A., Pian, E., Vreeswijk, P.M., Burud, I., Frontera, F., Kaper, L., Kouveliotou, C., Masetti, N., Palazzi, E., Rhoads, J., Rol, E., Salamanca, I., Wijers, R.A.M.J., and van den Heuvel, E.

Abstract

We report on multi-band (UBVRIZJ(s)K(s)) observations of the host galaxy of the April 18, 2000 gamma-ray burst. The Spectral Energy Distribution (SED) is analysed by fitting empirical and synthetic spectral templates. We find that: (i) the best SED fit is obtained with a starburst template, (ii) the photometric redshift is consistent with the spectroscopic redshift, (iii) the colours of the host are inconsistent with an old stellar population, and (iv) the global extinction is constrained to be in the range A(V) = 0.12-0.61 mag. The derived global extinction agrees with the one reported for the afterglow (A(V) = 0.4-0.9 mag), suggesting a homogeneous distribution of the interstellar medium (ISM) in the host galaxy. These findings are supplemented by morphological information from Hubble Space Telescope (HST) imaging: the surface brightness profile is smooth, symmetric and compact with no underlying structures (like dust lanes, spiral arms or disks). A natural scenario which accounts of all the above results is a nuclear starburst that harbours a young population of stars from which the GRB originated.

Published
2003

30. GRB 030227: The first multiwavelength afterglow of an INTEGRAL GRB

Author

Castro-Tirado, A.J., Gorosabel, J., Guziy, S., Reverte, D., Ceron, J.M.C., Postigo, A.D., Tanvir, N., Mereghetti, S., Tiengo, A., Buckle, J., Sagar, R., Pandey, S.B., Mohan, V., Masetti, N., Mannucci, F., Feltzing, S., Lundstrom, I., Pedersen, Henrik, Riess, C., Trushkin, S., Vilchez, J., Lund, Niels, Brandt, Søren, Nunez, S.M., Reglero, V., Perez-Ramirez, M.D., Klose, S., Greiner, J., Hjorth, J., Kaper, L., Pian, E., Palazzi, E., Andersen, M.I., Fruchter, A., Fynbo, J.P.U., Jensen, Bente Lundgård, Kouveliotou, C., Rhoads, J., Rol, E., Vreeswijk, P.M., Wijers, R.A.M.J., van den Heuvel, E., Castro-Tirado, A.J., Gorosabel, J., Guziy, S., Reverte, D., Ceron, J.M.C., Postigo, A.D., Tanvir, N., Mereghetti, S., Tiengo, A., Buckle, J., Sagar, R., Pandey, S.B., Mohan, V., Masetti, N., Mannucci, F., Feltzing, S., Lundstrom, I., Pedersen, Henrik, Riess, C., Trushkin, S., Vilchez, J., Lund, Niels, Brandt, Søren, Nunez, S.M., Reglero, V., Perez-Ramirez, M.D., Klose, S., Greiner, J., Hjorth, J., Kaper, L., Pian, E., Palazzi, E., Andersen, M.I., Fruchter, A., Fynbo, J.P.U., Jensen, Bente Lundgård, Kouveliotou, C., Rhoads, J., Rol, E., Vreeswijk, P.M., Wijers, R.A.M.J., and van den Heuvel, E.

Abstract

We present multiwavelength observations of a gamma-ray burst detected by INTEGRAL (GRB 030227) between 5.3 hours and similar to1.7 days after the event. Here we report the discovery of a dim optical afterglow (OA) that would not have been detected by many previous searches due to its faintess (R similar to 23). This OA was seen to decline following a power law decay with index alpha(R) = - 0.95 +/- 0.16. The spectral index beta(opt/NIR) yielded - 1.25 +/- 0.14. These values may be explained by a relativistic expansion of a fireball ( with p = 2.0) in the cooling regime. We also find evidence for inverse Compton scattering in X-rays.

Published
2003

31. Groepshuisvesting: arbeidslust of arbeidslast?

Author

van den Heuvel, E. and van den Heuvel, E.

Abstract

Een grote groep bedrijven gaat nog omschakelen naar groepshuisvesting en denkt na hoe dit het beste ingevuld kan worden. Naast inrichtingsaspecten zoals type voersysteem of de groepsgrootte, verdient in deze beslissing de arbeid ook aandacht.

Published
2002

32. GRB 021004: polarimetric observations

Author

Castro Ceron, J.M., Gorosabel, J., Castro-Tirado, A.J., Fruchter, A., Greiner, J., Hjorth, J., Pian, E., Wijers, R.A.M.J., van den Heuvel, E., Castro Ceron, J.M., Gorosabel, J., Castro-Tirado, A.J., Fruchter, A., Greiner, J., Hjorth, J., Pian, E., Wijers, R.A.M.J., and van den Heuvel, E.

Published
2002

33. GRB 020321: optical observations

Author

Salamanca, I., Rol, E., Kaper, L., Castro-Tirado, A.J., Fruchter, A., Greiner, J., Hjorth, J., Pian, E., van den Heuvel, E., Salamanca, I., Rol, E., Kaper, L., Castro-Tirado, A.J., Fruchter, A., Greiner, J., Hjorth, J., Pian, E., and van den Heuvel, E.

Published
2002

34. GRB 020405: VLT observations of the OT environment

Author

Masetti, N., Palazzi, E., Maiorano, E., Simoncelli, A., Pian, E., Castro-Tirado, A.J., Fruchter, A., Greiner, J., Hjorth, J., Kaper, L., van den Heuvel, E., Cabanac, R., Kaufer, A., Masetti, N., Palazzi, E., Maiorano, E., Simoncelli, A., Pian, E., Castro-Tirado, A.J., Fruchter, A., Greiner, J., Hjorth, J., Kaper, L., van den Heuvel, E., Cabanac, R., and Kaufer, A.

Published
2002

35. GRB 021004: polarimetric observations

Author

Castro Ceron, J.M., Gorosabel, J., Castro-Tirado, A.J., Fruchter, A., Greiner, J., Hjorth, J., Pian, E., Wijers, R.A.M.J., van den Heuvel, E., Castro Ceron, J.M., Gorosabel, J., Castro-Tirado, A.J., Fruchter, A., Greiner, J., Hjorth, J., Pian, E., Wijers, R.A.M.J., and van den Heuvel, E.

Published
2002

36. GRB 020321: optical observations

Author

Salamanca, I., Rol, E., Kaper, L., Castro-Tirado, A.J., Fruchter, A., Greiner, J., Hjorth, J., Pian, E., van den Heuvel, E., Salamanca, I., Rol, E., Kaper, L., Castro-Tirado, A.J., Fruchter, A., Greiner, J., Hjorth, J., Pian, E., and van den Heuvel, E.

Published
2002

37. GRB 020405: VLT observations of the OT environment

Author

Masetti, N., Palazzi, E., Maiorano, E., Simoncelli, A., Pian, E., Castro-Tirado, A.J., Fruchter, A., Greiner, J., Hjorth, J., Kaper, L., van den Heuvel, E., Cabanac, R., Kaufer, A., Masetti, N., Palazzi, E., Maiorano, E., Simoncelli, A., Pian, E., Castro-Tirado, A.J., Fruchter, A., Greiner, J., Hjorth, J., Kaper, L., van den Heuvel, E., Cabanac, R., and Kaufer, A.

Published
2002

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