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103. ANDES, the high resolution spectrograph for the ELT:science case, baseline design and path to construction

Author

Marconi, Alessandro, Abreu, M., Adibekyan, V., Alberti, V., Albrecht, S., Alcaniz, J., Aliverti, M., Allende Prieto, C., Alvarado Gómez, J., Amado, P., Amate, M., Andersen, M., Artigau, E., Baker, C., Baldini, V., Balestra, A., Barnes, S., Baron, F., Barros, S., Bauer, S., Beaulieu, M., Bellido-Tirado, O., Benneke, B., Bensby, T., Bergin, E., Biazzo, K., Bik, A., Birkby, J., Blind, N., Boisse, I., Bolmont, E., Bonaglia, M., Bonfils, X., Borsa, F., Brandeker, A., Brandner, W., Broeg, C., Brogi, M., Brousseau, D., Brucalassi, A., Brynnel, J., Buchhave, L., Buscher, D., Cabral, A., Calderone, G., Calvo-Ortega, R., Canto Martins, B., Cantalloube, F., Carbonaro, L., Chauvin, G., Chazelas, B., Cheffot, A.-L., Cheng, Y., Chiavassa, A., Christensen, L., Cirami, R., Cook, N., Cooke, R., Coretti, I., Covino, S., Cowan, N., Cresci, G., Cristiani, S., Cunha Parro, V., Cupani, G., d'Odorico, V., de Castro Leão, I., de Cia, A., de Medeiros, J., Debras, F., Debus, M., Demangeon, O., Dessauges-Zavadsky, M., Di Marcantonio, P., Dionies, F., Doyon, R., Dunn, J., Ehrenreich, D., Faria, J., Feruglio, C., Fisher, M., Fontana, A., Fumagalli, M., Fusco, Thierry, Fynbo, J., Gabella, O., Gaessler, W., Gallo, E., Gao, X., Genolet, L., Genoni, M., Giacobbe, P., Giro, E., Gonçalves, R., Gonzalez, O., González Hernández, J., Gracia Témich, F., Haehnelt, M., Haniff, C., Hatzes, A., Helled, R., Hoeijmakers, H.J., Huke, P., Järvinen, S., Järvinen, A., Kaminski, A., Korn, A., Kouach, D., Kowzan, Grzegorz, Kreidberg, L., Landoni, M., Lanotte, A., Lavail, A., Li, J., Liske, J., Lovis, C., Lucatello, S., Lunney, D., Macintosh, M., Madhusudhan, N., Magrini, L., Maiolino, R., Malo, L., Man, A., Marquart, T., Marques, E., Martins, A., Martins, C., Maslowski, P., Mason, C., Mason, E., Mccracken, R., Mergo, P., Micela, G., Mitchell, T., Mollière, P., Monteiro, M., Montgomery, D., Mordasini, C., Morin, J., Mucciarelli, A., Murphy, M., N'Diaye, M., Neichel, B., Niedzielski, A., Niemczura, E., Nortmann, L., Noterdaeme, P., Nunes, N., Oggioni, L., Oliva, E., Önel, H., Origlia, L., Östlin, G., Palle, E., Papaderos, P., Pariani, G., Peñate Castro, J., Pepe, F., Perreault Levasseur, L., Petit, P., Pino, L., Piqueras, J., Pollo, A., Poppenhaeger, K., Quirrenbach, A., Rauscher, E., Rebolo, R., Redaelli, E., Reffert, S., Reid, D., Reiners, A., Richter, P., Riva, M., Rivoire, S., Rodríguez-López, C., Roederer, I., Romano, D., Rousseau, Sylvain, Rowe, J., Salvadori, S., Santos, N., Santos Diaz, P., Sanz-Forcada, J., Sarajlic, Mirsad, Sauvage, Jean-François, Schäfer, S., Schiavon, R., Schmidt, T., Selmi, C., Sivanandam, S., Sordet, M., Sordo, R., Sortino, F., Sosnowska, D., Sousa, S., Stempels, E., Strassmeier, K., Suárez Mascareño, A., Sulich, A., Sun, X., Tanvir, N.R., Tenegi-Sanginés, F., Thibault, S., Thompson, S., Tozzi, A., Turbet, M., Vallée, P., Varas, R., Venn, K., Véran, J.-P., Verma, A., Viel, M., Wade, G., Waring, C., Weber, M., Weder, J., Wehbe, B., Weingrill, J., Woche, M., Xompero, M., Zackrisson, E., Zanutta, A., Zapatero Osorio, M., Zechmeister, M., Zimara, J., Evans, Christopher J., Bryant, Julia J., Motohara, Kentaro, Institut de Planétologie et d'Astrophysique de Grenoble (IPAG), Centre National d'Études Spatiales [Toulouse] (CNES)-Observatoire des Sciences de l'Univers de Grenoble (OSUG ), Institut national des sciences de l'Univers (INSU - CNRS)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE)-Université Grenoble Alpes (UGA)-Météo-France -Institut national des sciences de l'Univers (INSU - CNRS)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE)-Université Grenoble Alpes (UGA)-Météo-France, DOTA, ONERA, Université Paris Saclay [Palaiseau], ONERA-Université Paris-Saclay, Laboratoire Univers et Particules de Montpellier (LUPM), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-Université de Montpellier (UM), Laboratoire d'Astrophysique de Marseille (LAM), Aix Marseille Université (AMU)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS), Institut d'Astrophysique de Paris (IAP), Institut national des sciences de l'Univers (INSU - CNRS)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS), DOTA, ONERA [Salon], ONERA, Laboratoire de Météorologie Dynamique (UMR 8539) (LMD), Institut national des sciences de l'Univers (INSU - CNRS)-École polytechnique (X)-École des Ponts ParisTech (ENPC)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Département des Géosciences - ENS Paris, École normale supérieure - Paris (ENS-PSL), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-École normale supérieure - Paris (ENS-PSL), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL), Agenzia Spaziale Italiana, Fundação para a Ciência e a Tecnologia (Portugal), European Commission, Swedish Research Council, Australian Research Council, European Research Council, and National Science Foundation (US)

Subjects
[SDU.ASTR.CO]Sciences of the Universe [physics]/Astrophysics [astro-ph]/Cosmology and Extra-Galactic Astrophysics [astro-ph.CO], Diffraction limited IFU, fundamental physics, Extremely large telescope, fundamental physic, physics and evolution of galaxies, [PHYS.ASTR.SR]Physics [physics]/Astrophysics [astro-ph]/Solar and Stellar Astrophysics [astro-ph.SR], extremely large telescopes, [SDU.ASTR.IM]Sciences of the Universe [physics]/Astrophysics [astro-ph]/Instrumentation and Methods for Astrophysic [astro-ph.IM], physics and evolution of stars, Fibre-fed spcetrograh, Sandage effect, exoplanets, High resolution spectroscopy, infrared spectrographs, stars and planets formation, Variation of physics fundamental constants, ground-based instruments, cosmology, Fundamental physics, Exoplanet atmospheres, Echelle spectrograph, high resolution spectrographs
Abstract

Ground-based and airborne instrumentation for astronomy IX (2022), Montreal, JUL 17-22, 2022.--Proceedings of SPIE - The International Society for Optical Engineering vol. 12184 Article number 1218424.-- Complete list of authors: Marconi, A.; Abreu, M.; Adibekyan, V.; Alberti, V.; Albrecht, S.; Alcaniz, J.; Aliverti, M.; Allende Prieto, C.; Gomez, J. D. Alvarado; Amado, P. J.; Amate, M.; Andersen, M. I.; Artigau, E.; Baker, C.; Baldini, V.; Balestra, A.; Barnes, S. A.; Baron, F.; Barros, S. C. C.; Bauer, S. M.; Beaulieu, M.; Bellido-Tirado, O.; Benneke, B.; Bensby, T.; Bergin, E. A.; Biazzo, K.; Bik, A.; Birkby, J. L.; Blind, N.; Boisse, I.; Bolmont, E.; Bonaglia, M.; Bonfils, X.; Borsa, F.; Brandeker, A.; Brandner, W.; Broeg, C. H.; Brogi, M.; Brousseau, D.; Brucalassi, A.; Brynnel, J.; Buchhave, L. A.; Buscher, D. F.; Cabral, A.; Calderone, G.; Calvo-Ortega, R.; Cantalloube, F.; Canto Martins, B. L.; Carbonaro, L.; Chauvin, G.; Chazelas, B.; Cheffot, A. -L.; Cheng, Y. S.; Chiavassa, A.; Christensen, L.; Cirami, R.; Cook, N. J.; Cooke, R. J.; Coretti, I.; Covino, S.; Cowan, N.; Cresci, G.; Cristiani, S.; Cunha Parro, V.; Cupani, G.; D'Odorico, V.; de Castro Leao, I.; De Cia, A.; De Medeiros, J. R.; Debras, F.; Debus, M.; Demangeon, O.; Dessauges-Zavadsky, M.; Di Marcantonio, P.; Dionies, F.; Doyon, R.; Dunn, J.; Ehrenreich, D.; Faria, J. P.; Feruglio, C.; Fisher, M.; Fontana, A.; Fumagalli, M.; Fusco, T.; Fynbo, J.; Gabella, O.; Gaessler, W.; Gallo, E.; Gao, X.; Genolet, L.; Genoni, M.; Giacobbe, P.; Giro, E.; Goncalves, R. S.; Gonzalez, O. A.; Gonzalez Hernandez, J. I.; Gracia Temich, F.; Haehnelt, M. G.; Haniff, C.; Hatzes, A.; Helled, R.; Hoeijmakers, H. J.; Huke, P.; Jaervinen, A. S.; Jaervinen, S. P.; Kaminski, A.; Korn, A. J.; Kouach, D.; Kowzan, G.; Kreidberg, L.; Landoni, M.; Lanotte, A.; Lavail, A.; Li, J.; Liske, J.; Lovis, C.; Lucatello, S.; Lunney, D.; MacIntosh, M. J.; Madhusudhan, N.; Magrini, L.; Maiolino, R.; Malo, L.; Man, A. W. S.; Marquart, T.; Marques, E. L.; Martins, C. J. A. P.; Martins, A. M.; Maslowski, P.; Mason, E.; Mason, C. A.; McCracken, R. A.; Mergo, P.; Micela, G.; Mitchell, T.; Molliere, P.; Monteiro, M. A.; Montgomery, D.; Mordasini, C.; Morin, J.; Mucciarelli, A.; Murphy, M. T.; N'Diaye, M.; Neichel, B.; Niedzielski, A. T.; Niemczura, E.; Nortmann, L.; Noterdaeme, P.; Nunes, N. J.; Oggioni, L.; Oliva, E.; Onel, H.; Origlia, L.; Ostlin, G.; Palle, E.; Papaderos, P.; Pariani, G.; Penate Castro, J.; Pepe, F.; Levasseur, L. Perreault; Petit, P.; Pino, L.; Piqueras, J.; Pollo, A.; Poppenhaeger, K.; Quirrenbach, A.; Rauscher, E.; Rebolo, R.; Redaelli, E. M. A.; Reffert, S.; Reid, D. T.; Reiners, A.; Richter, P.; Riva, M.; Rivoire, S.; Rodriguez-Lopez, C.; Roederer, I. U.; Romano, D.; Rousseau, S.; Rowe, J.; Salvadori, S.; Sanna, N.; Santos, N. C.; Diaz, P. Santos; Sanz-Forcada, J.; Sarajlic, M.; Sauvage, J. -F.; Schaefer, S.; Schiavon, R. P.; Schmidt, T. M.; Selmi, C.; Sivanandam, S.; Sordet, M.; Sordo, R.; Sortino, F.; Sosnowska, D.; Sousa, S. G.; Stempels, E.; Strassmeier, K. G.; Suarez Mascareno, A.; Sulich, A.; Sun, X.; Tanvir, N. R.; Tenegi-Sangines, F.; Thibault, S.; Thompson, S. J.; Tozzi, A.; Turbet, M.; Vallee, P.; Varas, R.; Venn, K. A.; Veran, J. -P.; Verma, A.; Viel, M.; Wade, G.; Waring, C.; Weber, M.; Weder, J.; Wehbe, B.; Weingrill, J.; Woche, M.; Xompero, M.; Zackrisson, E.; Zanutta, A.; Zapatero Osorio, M. R.; Zechmeister, M.; Zimara, J., The first generation of ELT instruments includes an optical-infrared high resolution spectrograph, indicated as ELT-HIRES and recently christened ANDES (ArmazoNes high Dispersion Echelle Spectrograph). ANDES consists of three fibre-fed spectrographs (UBV, RIZ, YJH) providing a spectral resolution of similar to 100,000 with a minimum simultaneous wavelength coverage of 0.4-1.8 mu m with the goal of extending it to 0.35-2.4 mu m with the addition of a K band spectrograph. It operates both in seeing- and diffraction-limited conditions and the fibre-feeding allows several, interchangeable observing modes including a single conjugated adaptive optics module and a small diffraction-limited integral field unit in the NIR. Its modularity will ensure that ANDES can be placed entirely on the ELT Nasmyth platform, if enough mass and volume is available, or partly in the Coude room. ANDES has a wide range of groundbreaking science cases spanning nearly all areas of research in astrophysics and even fundamental physics. Among the top science cases there are the detection of biosignatures from exoplanet atmospheres, finding the fingerprints of the first generation of stars, tests on the stability of Nature's fundamental couplings, and the direct detection of the cosmic acceleration. The ANDES project is carried forward by a large international consortium, composed of 35 Institutes from 13 countries, forming a team of more than 200 scientists and engineers which represent the majority of the scientific and technical expertise in the field among ESO member states., The Italian effort for ANDES is supported by the Italian National Institute for Astrophysics (INAF). The Portuguese participation is supported by FCT -Fundacao para a Ciencia e a Tecnologia through national funds and by FEDER through COMPETE2020 -Programa Operacional Competitividade e Internacionalizacao by these grants: UID/FIS/04434/2019, UIDB/04434/2020 & UIDP/04434/2020; POCI-01-0145-FEDER-032113 & PTDC/FIS-AST/32113/2017. Swedish participation in the ANDES project is made possible through the national Swedish ELT Instrumentation Consortium (SELTIC), suppored by the Swedish Research Council (VR). CJM acknowledges FCT and POCH/FSE (EC) support through Investigador FCT Contract 2021.01214.CEECIND/CP1658/CT0001. JLB acknowledges funding from the European Research Council (ERC) under the European Union's Horizon 2020 research and innovation program under grant agreement No 805445. MTM acknowledges the support of the Australian Research Council through Future Fellowship grant FT180100194 SS acknowledges funding from the European Research Council (ERC) under the European Union's Horizon 2020 research and innovation program under grant agreement No 804240. TMS acknowledgment the support from the SNF synergia grant CRSII5-193689 (BLUVES), With funding from the Spanish government through the Severo Ochoa Centre of Excellence accreditation SEV-2017-0709

Published
2022
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104. Stellar Population Astrophysics (SPA) with the TNG

Author

Alonso-Santiago, J., primary, Frasca, A., additional, Catanzaro, G., additional, Bragaglia, A., additional, Andreuzzi, G., additional, Carrera, R., additional, Carretta, E., additional, Casali, G., additional, D’Orazi, V., additional, Fu, X., additional, Giarrusso, M., additional, Lucatello, S., additional, Magrini, L., additional, Origlia, L., additional, Spina, L., additional, Vallenari, A., additional, and Zhang, R., additional

Published
2021
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106. Stellar Population Astrophysics (SPA) with TNG

Author

Zhang, R., primary, Lucatello, S., additional, Bragaglia, A., additional, Carrera, R., additional, Spina, L., additional, Alonso-Santiago, J., additional, Andreuzzi, G., additional, Casali, G., additional, Carretta, E., additional, Frasca, A., additional, Fu, X., additional, Magrini, L., additional, Origlia, L., additional, D’Orazi, V., additional, and Vallenari, A., additional

Published
2021
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109. Psychological status and role of caregivers in the neuro-rehabilitation of patients with severe Acquired Brain Injury (ABI)

Author

Bivona, U., primary, Villalobos, D., additional, De Luca, M., additional, Zilli, F., additional, Ferri, G., additional, Lucatello, S., additional, Iannetti, M., additional, Cellupica, L., additional, Mungiello, F., additional, Lo Sterzo, P., additional, Marchegiani, V., additional, Puccitti, A., additional, Lombardi, G., additional, Moretti, G., additional, Donvito, T., additional, Penza, F., additional, and Formisano, R., additional

Published
2020
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110. In Pursuit of Galactic Archaeology

Author

Ness, M., Bird, J., Johnson, J., Zasowski, G., Kollmeier, J., Rix, H.-W., Aguirre, V.S., Anguiano, B., Basu, S., Brown, A., Buder, S., Chiappini, C., Cunha, K., Dongia, E., Frinchaboy, P., Hekker, S., Hunt, J., Johnston, K., Lane, R., Lucatello, S., Meza, A., Minchev, I., Nataf, D., Price-Whelan, A.M., Sanderson, R., Sobeck, J., Stassun, K., Steinmetz, M., Ting, Y.-S., Venn, K., Xue, X., ITA, USA, GBR, FRA, and DEU

Subjects
ComputingMethodologies_IMAGEPROCESSINGANDCOMPUTERVISION, ComputingMethodologies_COMPUTERGRAPHICS
Abstract

The next decade affords tremendous opportunity to achieve the goals of Galactic archaeology. That is, to reconstruct the evolutionary narrative of the Milky Way, based on the empirical data that describes its current morphological, dynamical, temporal and chemical structures. Here, we describe the path to achieving this goal.

Published
2019

112. Stellar population astrophysics (SPA) with the TNG

Author

D’Orazi, V., primary, Oliva, E., additional, Bragaglia, A., additional, Frasca, A., additional, Sanna, N., additional, Biazzo, K., additional, Casali, G., additional, Desidera, S., additional, Lucatello, S., additional, Magrini, L., additional, and Origlia, L., additional

Published
2020
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113. ANDES, the high resolution spectrograph for the ELT: science goals, project overview, and future developments

Author

Bryant, Julia J., Motohara, Kentaro, Vernet, Joël R. D., Marconi, A., Abreu, M., Adibekyan, V., Alberti, V., Albrecht, S., Alcaniz, J., Aliverti, M., Allende Prieto, C., Alvarado-Gomez, J. D., Alves, C. S., Amado, P. J., Amate, M., Andersen, M. I., Antoniucci, S., Artigau, E., Bailet, C., Baker, C., Baldini, V., Balestra, A., Barnes, S. A., Baron, F., Barros, S. C. C., Bauer, S. M., Beaulieu, M., Bellido-Tirado, O., Benneke, B., Bensby, T., Bergin, E. A., Berio, P., Biazzo, K., Bigot, L., Bik, A., Birkby, J. L., Blind, N., Boebion, O., Boisse, I., Bolmont, E., Bolton, J. S., Bonaglia, M., Bonfils, X., Bonhomme, L., Borsa, F., Bouret, J.-C., Brandeker, A., Brandner, W., Broeg, C. H., Brogi, M., Brousseau, D., Brucalassi, A., Brynnel, J., Buchhave, L. A., Buscher, D. F., Cabona, L., Cabral, A., Calderone, G., Calvo-Ortega, R., Cantalloube, F., Canto Martins, B. L., Carbonaro, L., Caujolle, Y., Chauvin, G., Chazelas, B., Cheffot, A.-L., Cheng, Y. S., Chiavassa, A., Christensen, L., Cirami, R., Cirasuolo, M., Cook, N. J., Cooke, R. J., Coretti, I., Covino, S., Cowan, N., Cresci, G., Cristiani, S., Cunha Parro, V., Cupani, G., D'Odorico, V., Dadi, K., de Castro Leão, I., De Cia, A., De Medeiros, J. R., Debras, F., Debus, M., Delorme, A., Demangeon, O., Derie, F., Dessauges-Zavadsky, M., Di Marcantonio, P., Di Stefano, S., Dionies, F., Domiciano de Souza, A., Doyon, R., Dunn, J., Egner, S., Ehrenreich, D., Faria, J. P., Ferruzzi, D., Feruglio, C., Fisher, M., Fontana, A., Frank, B. S., Fuesslein, C., Fumagalli, M., Fusco, T., Fynbo, J., Gabella, O., Gaessler, W., Gallo, E., Gao, X., Genolet, L., Genoni, M., Giacobbe, P., Giro, E., Gonçalves, R. S., Gonzalez, O. A., González-Hernández, J. I., Gouvret, C., Gracia Témich, F., Haehnelt, M. G., Haniff, C., Hatzes, A., Helled, R., Hoeijmakers, H. J., Hughes, I., Huke, P., Ivanisenko, Y., Järvinen, A. S., Järvinen, S. P., Kaminski, A., Kern, J., Knoche, J., Kordt, A., Korhonen, H., Korn, A. J., Kouach, D., Kowzan, G., Kreidberg, L., Landoni, M., Lanotte, A. A., Lavail, A., Lavie, B., Lee, D., Lehmitz, M., Li, J., Li, W., Liske, J., Lovis, C., Lucatello, S., Lunney, D., MacIntosh, M. J., Madhusudhan, N., Magrini, L., Maiolino, R., Maldonado, J., Malo, L., Man, A. W. S., Marquart, T., Marques, C. M. J., Marques, E. L., Martinez, P., Martins, A., Martins, C. J. A. P., Martins, J. H. C., Maslowski, P., Mason, C., Mason, E., McCracken, R. A., Melo e Sousa, M. A. F., Mergo, P., Micela, G., Milaković, D., Mollière, P., Monteiro, M. A., Montgomery, D., Mordasini, C., Morin, J., Mucciarelli, A., Murphy, M. T., N'Diaye, M., Nardetto, N., Neichel, B., Neri, N., Niedzielski, A. T., Niemczura, E., Nisini, B., Nortmann, L., Noterdaeme, P., Nunes, N. J., Oggioni, L., Olchewsky, F., Oliva, E., Önel, H., Origlia, L., Östlin, G., Ouellette, N. N.-Q., Pallé, E., Papaderos, P., Pariani, G., Pasquini, L., Peñate Castro, J., Pepe, F., Peroux, C., Perreault Levasseur, L., Perruchot, S., Petit, P., Pfuhl, O., Pino, L., Piqueras, J., Piskunov, N., Pollo, A., Poppenhaeger, K., Porru, M., Puschnig, J., Quirrenbach, A., Rauscher, E., Rebolo, R., Redaelli, E. M. A., Reffert, S., Reid, D. T., Reiners, A., Richter, P., Riva, M., Rivoire, S., Rodríguez-López, C., Roederer, I. U., Romano, D., Roth, M., Rousseau, S., Rowe, J., Saccardi, A., Salvadori, S., Sanna, N., Santos, N. C., Santos Diaz, P., Sanz-Forcada, J., Sarajlic, M., Sauvage, J.-F., Savio, D., Scaudo, A., Schäfer, S., Schiavon, R. P., Schmidt, T. M., Selmi, C., Simoes, R., Simonnin, A., Sivanandam, S., Sordet, M., Sordo, R., Sortino, F., Sosnowska, D., Sousa, S. G., Spang, A., Spiga, R., Stempels, E., Stevenson, J. R. Y., Strassmeier, K. G., Suárez Mascareño, A., Sulich, A., Sun, X., Tanvir, N. R., Tenegi-Sanginés, F., Thibault, S., Thompson, S. J., Tisserand, P., Tozzi, A., Turbet, M., Véran, J.-P., Vallée, P., Vanni, I., Varas, R., Vega-Moreno, A., Venn, K. A., Verma, A., Vernet, J., Viel, M., Wade, G., Waring, C., Weber, M., Weder, J., Wehbé, B., Weingrill, J., Woche, M., Xompero, M., Zackrisson, E., Zanutta, A., Zapatero Osorio, M. R., Zechmeister, M., and Zimara, J.

Published
2024
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116. Chemical evolution of the Galactic bulge as traced by microlensed dwarf and subgiant stars

Author

Bensby, T., primary, Feltzing, S., additional, Gould, A., additional, Yee, J. C., additional, Johnson, J. A., additional, Asplund, M., additional, Meléndez, J., additional, Lucatello, S., additional, Howes, L. M., additional, McWilliam, A., additional, Udalski, A., additional, Szymański, M. K., additional, Soszyński, I., additional, Poleski, R., additional, Wyrzykowski, Ł., additional, Ulaczyk, K., additional, Kozłowski, S., additional, Pietrukowicz, P., additional, Skowron, J., additional, Mróz, P., additional, Pawlak, M., additional, Abe, F., additional, Asakura, Y., additional, Bhattacharya, A., additional, Bond, I. A., additional, Bennett, D. P., additional, Hirao, Y., additional, Nagakane, M., additional, Koshimoto, N., additional, Sumi, T., additional, Suzuki, D., additional, and Tristram, P. J., additional

Published
2017
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119. Vascular Stability and Temperature Monitoring in Patients Prone to Dialysis-Induced Hypotension

Author

Flavio Scanferla, Paolo Morachiello, Agostino Fracasso, U. Coli, Lucatello S, Flavio Righetto, Silvano Landini, and Giorgio Bazzato

Subjects
Cardiac output, Temperature monitoring, medicine.medical_specialty, business.industry, Hemodynamics, Blood pressure, Anesthesia, Internal medicine, Heart rate, Cardiology, Medicine, In patient, Dialysis (biochemistry), business, Induced Hypotension
Published
2015
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121. The Na-O anticorrelation in horizontal branch stars. V. NGC 6723

Author

Gratton, R. G., Lucatello, S., Sollima, A., Carretta, E., Bragaglia, A., Momany, Y., D’orazi, V., Salaris, M., Cassisi, S., Stetson, P. B., and ITA

Subjects
stars: abundances, Astrophysics - Solar and Stellar Astrophysics, Space and Planetary Science, FOS: Physical sciences, stars: Population II, Astronomy and Astrophysics, stars: evolution, globular clusters: individual: NGC 6723, globular clusters: general, Solar and Stellar Astrophysics (astro-ph.SR)
Abstract

We used FLAMES+GIRAFFE (Medusa mode) at the VLT to obtain moderately high resolution spectra for 30 red horizontal branch (RHB) stars, 4 RR Lyrae variables, and 17 blue horizontal branch (BHB) stars in the low-concentration, moderately metal-rich globular cluster NGC6723 ([Fe/H]=-1.22+/-0.08 from our present sample). The spectra were optimized to derive O and Na abundances. In addition, we obtained abundances for other elements, including N, Fe, Mg, Ca, Ni, and Ba. We used these data to discuss the evidence of a connection between the distribution of stars along the horizontal branch (HB) and the multiple populations that are typically present in globular clusters. We found that all RHB and most (13 out of 17) BHB stars are O-rich, Na-poor, and N-poor; these stars probably belong to the first stellar generation in this cluster. Only the four warmest observed stars are (moderately) O-poor, Na-rich, and N-rich, and they probably belong to the second generation. While our sample is not fully representative of the whole HB population in NGC6723, our data suggest that in this cluster only HB stars warmer than ~9000 K, that is one fourth of the total, belong to the second generation, if at all. Since in many other clusters this fraction is about two thirds, we conclude that the fraction of first/second generation in globular clusters may be strongly variable. In addition, the wide range in colour of chemically homogeneous first-generation HB stars requires a considerable spread in mass loss (>0.10 Mo). The reason for this spread is yet to be understood. Finally, we found a high Ba abundance, with a statistically significant radial abundance gradient., Astronomy and Astrophysics, in press; 15 pages; 11 figures

Published
2015

123. Line lists for the a 2?-X 2?+ (red) and B 2?+-X 2?+ (violet) systems of CN, 13C14N, and 12C15N, and application to astronomical spectra

Author

Sneden C., Lucatello S., Ram R.S., Brooke J.S.A., Bernath P., and Ege Üniversitesi

Subjects
stars: carbon, molecular data, stars: abundances, stars: Population II, Sun: abundances
Abstract

New red and violet system line lists for the CN isotopologues 13C14N and 12C15N have been generated. These new transition data are combined with those previously derived for 12C14N, and applied to the determination of CNO abundances in the solar photosphere and in four red giant stars: Arcturus, the bright, very low-metallicity star HD 122563, and the carbon-enhanced metal-poor stars HD 196944 and HD 201626. When both red and violet system lines are detectable in a star, their derived N abundances are in good agreement. The mean N abundances determined in this work are also generally in accord with published values. © 2014. The American Astronomical Society. All rights reserved.., Leverhulme Trust National Aeronautics and Space Administration, NASA National Stroke Foundation, NSF: AST-1211585

Published
2014

124. A view of the H-band light-element chemical patterns in globular clusters under the AGB self-enrichment scenario.

Author

Dell'Agli, F., García-Hernández, D. A., Ventura, P., Mészáros, Sz., Masseron, T., Fernández-Trincado, J. G., Tang, B., Shetrone, M., Zamora, O., and Lucatello, S.

Subjects
ASYMPTOTIC giant branch stars, GLOBULAR clusters, STELLAR populations, STAR formation, ASTRONOMICAL observations, INTERSTELLAR medium
Abstract

We discuss the self-enrichment scenario by asymptotic giant branch (AGB) stars for the formation of multiple populations in globular clusters (GCs) by analysing data set of giant stars observed in nine Galactic GCs, covering a wide range of metallicities and for which the simultaneous measurements of C, N, O, Mg, Al, and Si are available. To this aim, we calculated six sets of AGB models, with the same chemical composition as the stars belonging to the first generation of each GC. We find that the AGB yields can reproduce the set of observations available, not only in terms of the degree of contamination shown by stars in each GC but, more important, also the observed trend with metallicity, which agrees well with the predictions from AGB evolution modelling. While further observational evidences are required to definitively fix the main actors in the pollution of the interstellar medium from which new generation of stars formed in GCs, the present results confirm that the gas ejected by stars of mass in the range 4M☉ ≤ M ≤ 8M☉ during the AGB phase share the same chemical patterns traced by stars in GCs. [ABSTRACT FROM AUTHOR]

Published
2018
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127. The GAPS programme with HARPS-N at TNG

Author

Biazzo, K., primary, Gratton, R., additional, Desidera, S., additional, Lucatello, S., additional, Sozzetti, A., additional, Bonomo, A. S., additional, Damasso, M., additional, Gandolfi, D., additional, Affer, L., additional, Boccato, C., additional, Borsa, F., additional, Claudi, R., additional, Cosentino, R., additional, Covino, E., additional, Knapic, C., additional, Lanza, A. F., additional, Maldonado, J., additional, Marzari, F., additional, Micela, G., additional, Molaro, P., additional, Pagano, I., additional, Pedani, M., additional, Pillitteri, I., additional, Piotto, G., additional, Poretti, E., additional, Rainer, M., additional, Santos, N. C., additional, Scandariato, G., additional, and Zanmar Sanchez, R., additional

Published
2015
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131. M54+SAGITTARIUS = omega CENTAURI

Author

Carretta, E, Bragaglia, A, Gratton, Rg, Lucatello, S, Bellazzini, M, Catanzaro, Giovanni, Leone, Francesco, Momany, Y, Piotto, G, and D'Orazi, V.

Subjects
globular clusters, stars: abundances, stars: evolution
Published
2010

132. The SARG planet search

Author

Desidera, S, Gratton, R, MARTINEZ FIORENZANO, A, Endl, M, Claudi, R, Cosentino, R, Scuderi, S, Bonavita, M, Barbieri, M, Bonanno, G, Cecconi, M, Lucatello, S, and Marzari, Francesco

Published
2010

133. Abundances of red giants in 15 globular clusters (Carretta+, 2009)

Author

Carretta, E., Bragaglia, A., Gratton, R.G., Lucatello, S., Catanzaro, G., Leone, F., Bellazzini, M., Claudi, R., D'Orazi, V., Momany, Y., Orolani, S., Pancino, E., Piotto, G., Recio-Blanco, A., Sabbi, E., Laboratoire de Cosmologie, Astrophysique Stellaire & Solaire, de Planétologie et de Mécanique des Fluides (CASSIOPEE), Université Nice Sophia Antipolis (... - 2019) (UNS), COMUE Université Côte d'Azur (2015-2019) (COMUE UCA)-COMUE Université Côte d'Azur (2015-2019) (COMUE UCA)-Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire de la Côte d'Azur, and COMUE Université Côte d'Azur (2015-2019) (COMUE UCA)-Université Côte d'Azur (UCA)-Université Côte d'Azur (UCA)-Centre National de la Recherche Scientifique (CNRS)

Subjects
ComputingMilieux_MISCELLANEOUS
Abstract

International audience

Published
2009

137. The Na-O anticorrelation in horizontal branch stars

Author

Gratton, R. G., primary, Lucatello, S., additional, Sollima, A., additional, Carretta, E., additional, Bragaglia, A., additional, Momany, Y., additional, D’Orazi, V., additional, Salaris, M., additional, Cassisi, S., additional, and Stetson, P. B., additional

Published
2014
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141. The chemical evolution of the Galactic Bulge seen through micro-lensing events

Author

Feltzing, Sofia, Bensby, Thomas, Melendez, J., Adén, Daniel, Asplund, M., Gould, A., Johnson, J., Lucatello, S., Gal-Yam, A., Feltzing, Sofia, Bensby, Thomas, Melendez, J., Adén, Daniel, Asplund, M., Gould, A., Johnson, J., Lucatello, S., and Gal-Yam, A.

Abstract

Galactic bulges are central to understanding galaxy formation and evolution. Here we report on recent studies using micro-lensing events to obtain spectra of high resolution and moderately high signal-to-noise ratios of dwarf stars in the Galactic bulge. Normally this is not feasible for the faint turn-off stars in the Galactic bulge, but micro-lensing offers this possibility. Elemental abundance trends in the Galactic bulge as traced by dwarf stars are very similar to those seen for dwarf stars in the solar neighbourhood. We discuss the implications of the ages and metallicity distribution function derived for the micro-lensed dwarf stars in the Galactic bulge.

Published
2012

147. The frequency of carbon-enhanced metal-poor stars in the galaxy from the HERES sample

Author

Lucatello, S., Beers, T., Christlieb, Norbert, Barklem, Paul, Rossi, S., Marsteller, B., Sivarani, T., Sun Lee, Y., Lucatello, S., Beers, T., Christlieb, Norbert, Barklem, Paul, Rossi, S., Marsteller, B., Sivarani, T., and Sun Lee, Y.

Abstract

We estimate the frequency of carbon-enhanced metal-poor (CEMP) stars among very metal-poor stars, based on an analysis of 349 stars with available high-resolution spectra observed as part of the Hamburg/ESO R-process Enhanced Star (HERES) survey. We obtain that a lower limit of 21% +/- 2% of stars with [Fe/H] <= -2.0 exhibit [C/Fe] >= +1.0. These fractions are higher than those that have been reported by recent examinations of this question, based on substantially smaller samples of stars. We discuss the source of this difference and suggest that in order to take into account effects that result in a decrease of surface carbon abundance with advancing evolution, a definition of CEMP stars based on a [C/Fe] cutoff that varies as a function of luminosity is more appropriate. We discuss the likely occurrence of dilution and mixing for many CEMP stars, which, if properly accounted for, would increase this fraction still further.

Published
2006
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148. The frequency of Carbon-enhanced stars in HERES and SDSS

Author

Beers, T.C., Lucatello, S., Marsteller, B., Sivarani, T., Barklem, Paul, Christlieb, Norbert, Rossi, Silvia, Beers, T.C., Lucatello, S., Marsteller, B., Sivarani, T., Barklem, Paul, Christlieb, Norbert, and Rossi, Silvia

Published
2006

150. Chemical evolution of the Galactic bulge as traced by microlensed dwarf and subgiant stars

Author

Bensby, T., primary, Yee, J. C., additional, Feltzing, S., additional, Johnson, J. A., additional, Gould, A., additional, Cohen, J. G., additional, Asplund, M., additional, Meléndez, J., additional, Lucatello, S., additional, Han, C., additional, Thompson, I., additional, Gal-Yam, A., additional, Udalski, A., additional, Bennett, D. P., additional, Bond, I. A., additional, Kohei, W., additional, Sumi, T., additional, Suzuki, D., additional, Suzuki, K., additional, Takino, S., additional, Tristram, P., additional, Yamai, N., additional, and Yonehara, A., additional

Published
2013
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