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1,131 results on '"Kleiner D"'

102. The Fornax Deep Survey with VST:X. The assembly history of the bright galaxies and intra-group light in the Fornax A subgroup

Author

Raj, M. A. (M. A.), Iodice, E. (E.), Napolitano, N. R. (N. R.), Hilker, M. (M.), Spavone, M. (M.), Peletier, R. F. (R. F.), Su, H.-S. (H-S.), Falcón-Barroso, J. (J.), van de Ven, G. (G.), Cantiello, M. (M.), Kleiner, D. (D.), Venhola, A. (A.), Mieske, S. (S.), Paolillo, M. (M.), Capaccioli, M. (M.), and Schipani, P. (P.)

Subjects
spiral [galaxies], groups: individual: Fornax A [galaxies], surveys, photometry [galaxies], structure [galaxies], evolution [galaxies]
Abstract

Context: We present the study of the south-west group in the Fornax cluster centred on the brightest group galaxy (BGG) Fornax A, which was observed as part of the Fornax Deep Survey (FDS). This includes the analysis of the bright group members (mB

Published
2020

103. WALLABY - an SKA Pathfinder Hi survey

Author

Koribalski, BS, Staveley-Smith, L, Westmeier, T, Serra, P, Spekkens, K, Wong, O, Lee-Waddell, K, Lagos, CDP, Obreschkow, D, Ryan-Weber, E, Zwaan, M, Kilborn, V, Bekiaris, G, Bekki, K, Bigiel, F, Boselli, A, Bosma, A, Catinella, B, Chauhan, G, Cluver, ME, Colless, M, Courtois, HM, Crain, RA, de Blok, WJG, Denes, H, Duffy, AR, Elagali, A, Fluke, CJ, For, B-Q, Heald, G, Henning, PA, Hess, KM, Holwerda, BW, Howlett, C, Jarrett, T, Jones, DH, Jones, MG, Jozsa, GIG, Jurek, R, Juette, E, Kamphuis, P, Karachentsev, I, Kerp, J, Kleiner, D, Kraan-Korteweg, RC, Lopez-Sanchez, AR, Madrid, J, Meyer, M, Mould, J, Murugeshan, C, Norris, RP, Oh, S-H, Oosterloo, TA, Popping, A, Putman, M, Reynolds, TN, Rhee, J, Robotham, ASG, Ryder, S, Schroder, AC, Shao, L, Stevens, ARH, Taylor, EN, van der Hulst, JM, Verdes-Montenegro, L, Wakker, BP, Wang, J, Whiting, M, Winkel, B, Wolf, C, Koribalski, BS, Staveley-Smith, L, Westmeier, T, Serra, P, Spekkens, K, Wong, O, Lee-Waddell, K, Lagos, CDP, Obreschkow, D, Ryan-Weber, E, Zwaan, M, Kilborn, V, Bekiaris, G, Bekki, K, Bigiel, F, Boselli, A, Bosma, A, Catinella, B, Chauhan, G, Cluver, ME, Colless, M, Courtois, HM, Crain, RA, de Blok, WJG, Denes, H, Duffy, AR, Elagali, A, Fluke, CJ, For, B-Q, Heald, G, Henning, PA, Hess, KM, Holwerda, BW, Howlett, C, Jarrett, T, Jones, DH, Jones, MG, Jozsa, GIG, Jurek, R, Juette, E, Kamphuis, P, Karachentsev, I, Kerp, J, Kleiner, D, Kraan-Korteweg, RC, Lopez-Sanchez, AR, Madrid, J, Meyer, M, Mould, J, Murugeshan, C, Norris, RP, Oh, S-H, Oosterloo, TA, Popping, A, Putman, M, Reynolds, TN, Rhee, J, Robotham, ASG, Ryder, S, Schroder, AC, Shao, L, Stevens, ARH, Taylor, EN, van der Hulst, JM, Verdes-Montenegro, L, Wakker, BP, Wang, J, Whiting, M, Winkel, B, and Wolf, C

Published
2020

104. WALLABY - an SKA Pathfinder Hi survey

Author

Koribalski, Barbel S., Staveley-Smith, L., Westmeier, T., Serra, P., Spekkens, K., Wong, O., Lee-Waddell, K., Lagos, C. D. P., Obreschkow, D., Ryan-Weber, E., Zwaan, M., Kilborn, Bekiaris, G., Bekki, K., Bigiel, F., Boselli, A., Bosma, A., Catinella, B., Chauhan, G., Cluver, M. E., Colless, M., Courtois, H. M., Crain, R. A., de Blok, W. J. G., Denes, H., Duffy, A. R., Elagali, A., Fluke, C. J., For, B-Q, Heald, G., Henning, P. A., Hess, K. M., Holwerda, B. W., Howlett, C., Jarrett, T., Jones, D. H., Jones, M. G., Jozsa, G. I. G., Jurek, R., Juette, E., Kamphuis, P., Karachentsev, Kerp, J., Kleiner, D., Kraan-Korteweg, R. C., Lopez-Sanchez, A. R., Madrid, J., Meyer, M., Mould, J., Murugeshan, C., Norris, R. P., Oh, S-H, Oosterloo, T. A., Popping, A., Putman, M., Reynolds, T. N., Rhee, J., Robotham, A. S. G., Ryder, S., Schroder, A. C., Shao, Li, Stevens, A. R. H., Taylor, E. N., van der Hulst, J. M., Verdes-Montenegro, L., Wakker, B. P., Wang, J., Whiting, M., Winkel, B., Wolf, C., Koribalski, Barbel S., Staveley-Smith, L., Westmeier, T., Serra, P., Spekkens, K., Wong, O., Lee-Waddell, K., Lagos, C. D. P., Obreschkow, D., Ryan-Weber, E., Zwaan, M., Kilborn, Bekiaris, G., Bekki, K., Bigiel, F., Boselli, A., Bosma, A., Catinella, B., Chauhan, G., Cluver, M. E., Colless, M., Courtois, H. M., Crain, R. A., de Blok, W. J. G., Denes, H., Duffy, A. R., Elagali, A., Fluke, C. J., For, B-Q, Heald, G., Henning, P. A., Hess, K. M., Holwerda, B. W., Howlett, C., Jarrett, T., Jones, D. H., Jones, M. G., Jozsa, G. I. G., Jurek, R., Juette, E., Kamphuis, P., Karachentsev, Kerp, J., Kleiner, D., Kraan-Korteweg, R. C., Lopez-Sanchez, A. R., Madrid, J., Meyer, M., Mould, J., Murugeshan, C., Norris, R. P., Oh, S-H, Oosterloo, T. A., Popping, A., Putman, M., Reynolds, T. N., Rhee, J., Robotham, A. S. G., Ryder, S., Schroder, A. C., Shao, Li, Stevens, A. R. H., Taylor, E. N., van der Hulst, J. M., Verdes-Montenegro, L., Wakker, B. P., Wang, J., Whiting, M., Winkel, B., and Wolf, C.

Abstract

The Widefield ASKAP L-band Legacy All-sky Blind surveY (wallaby) is a next-generation survey of neutral hydrogen (Hi) in the Local Universe. It uses the widefield, high-resolution capability of the Australian Square Kilometer Array Pathfinder (ASKAP), a radio interferometer consisting of 36x12-m dishes equipped with Phased-Array Feeds (PAFs), located in an extremely radio-quiet zone in Western Australia. wallaby aims to survey three-quarters of the sky (-90 degrees

Published
2020

106. Australian square kilometre array pathfinder: I. system description

Author

Hotan, A. W., primary, Bunton, J. D., additional, Chippendale, A. P., additional, Whiting, M., additional, Tuthill, J., additional, Moss, V. A., additional, McConnell, D., additional, Amy, S. W., additional, Huynh, M. T., additional, Allison, J. R., additional, Anderson, C. S., additional, Bannister, K. W., additional, Bastholm, E., additional, Beresford, R., additional, Bock, D. C.-J., additional, Bolton, R., additional, Chapman, J. M., additional, Chow, K., additional, Collier, J. D., additional, Cooray, F. R., additional, Cornwell, T. J., additional, Diamond, P. J., additional, Edwards, P. G., additional, Feain, I. J., additional, Franzen, T. M. O., additional, George, D., additional, Gupta, N., additional, Hampson, G. A., additional, Harvey-Smith, L., additional, Hayman, D. B., additional, Heywood, I., additional, Jacka, C., additional, Jackson, C. A., additional, Jackson, S., additional, Jeganathan, K., additional, Johnston, S., additional, Kesteven, M., additional, Kleiner, D., additional, Koribalski, B. S., additional, Lee-Waddell, K., additional, Lenc, E., additional, Lensson, E. S., additional, Mackay, S., additional, Mahony, E. K., additional, McClure-Griffiths, N. M., additional, McConigley, R., additional, Mirtschin, P., additional, Ng, A. K., additional, Norris, R. P., additional, Pearce, S. E., additional, Phillips, C., additional, Pilawa, M. A., additional, Raja, W., additional, Reynolds, J. E., additional, Roberts, P., additional, Roxby, D. N., additional, Sadler, E. M., additional, Shields, M., additional, Schinckel, A. E. T., additional, Serra, P., additional, Shaw, R. D., additional, Sweetnam, T., additional, Troup, E. R., additional, Tzioumis, A., additional, Voronkov, M. A., additional, and Westmeier, T., additional

Published
2021
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117. MeerKAT HI commissioning observations of MHONGOOSE galaxy ESO 302-G014

Author

de Blok, W. J. G., primary, Athanassoula, E., additional, Bosma, A., additional, Combes, F., additional, English, J., additional, Heald, G. H., additional, Kamphuis, P., additional, Koribalski, B. S., additional, Meurer, G. R., additional, Román, J., additional, Sardone, A., additional, Verdes-Montenegro, L., additional, Bigiel, F., additional, Brinks, E., additional, Chemin, L., additional, Fraternali, F., additional, Jarrett, T., additional, Kleiner, D., additional, Maccagni, F. M., additional, Pisano, D. J., additional, Serra, P., additional, Spekkens, K., additional, Amram, P., additional, Carignan, C., additional, Dettmar, R.-J., additional, Gibson, B. K., additional, Holwerda, B. W., additional, Józsa, G. I. G., additional, Lucero, D. M., additional, Oosterloo, T. A., additional, Ramaila, A. J. T., additional, Ramatsoku, M., additional, Sheth, K., additional, Walter, F., additional, Wong, O. I., additional, Zijlstra, A. A., additional, Bloemen, S., additional, Groot, P. J., additional, Le Poole, R., additional, Klein-Wolt, M., additional, Körding, E. G., additional, McBride, V. A., additional, Paterson, K., additional, Pieterse, D. L. A., additional, Vreeswijk, P., additional, and Woudt, P. A., additional

Published
2020
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118. MeerKAT’s discovery of a radio relic in the bimodal merging cluster A2384

Author

Parekh, V, primary, Thorat, K, additional, Kale, R, additional, Hugo, B, additional, Oozeer, N, additional, Makhathini, S, additional, Kleiner, D, additional, White, S V, additional, Józsa, G I G, additional, Smirnov, O, additional, van der Heyden, K, additional, Perkins, S, additional, Andati, L, additional, Ramaila, A, additional, and Ramatsoku, M, additional

Published
2020
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119. GASP

Author

Ramatsoku, M., primary, Serra, P., additional, Poggianti, B. M., additional, Moretti, A., additional, Gullieuszik, M., additional, Bettoni, D., additional, Deb, T., additional, Franchetto, A., additional, van Gorkom, J. H., additional, Jaffé, Y., additional, Tonnesen, S., additional, Verheijen, M. A. W., additional, Vulcani, B., additional, Andati, L. A. L., additional, de Blok, E., additional, Józsa, G. I. G., additional, Kamphuis, P., additional, Kleiner, D., additional, Maccagni, F. M., additional, Makhathini, S., additional, Molnár, D. Cs., additional, Ramaila, A. J. T., additional, Smirnov, O., additional, and Thorat, K., additional

Published
2020
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120. The Fornax Deep Survey with VST

Author

Raj, M. A., primary, Iodice, E., additional, Napolitano, N. R., additional, Hilker, M., additional, Spavone, M., additional, Peletier, R. F., additional, Su, H-S., additional, Falcón-Barroso, J., additional, van de Ven, G., additional, Cantiello, M., additional, Kleiner, D., additional, Venhola, A., additional, Mieske, S., additional, Paolillo, M., additional, Capaccioli, M., additional, and Schipani, P., additional

Published
2020
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121. Collimated synchrotron threads linking the radio lobes of ESO 137-006

Author

Ramatsoku, M., primary, Murgia, M., additional, Vacca, V., additional, Serra, P., additional, Makhathini, S., additional, Govoni, F., additional, Smirnov, O., additional, Andati, L. A. L., additional, de Blok, E., additional, Józsa, G. I. G., additional, Kamphuis, P., additional, Kleiner, D., additional, Maccagni, F. M., additional, Molnár, D. Cs., additional, Ramaila, A. J. T., additional, Thorat, K., additional, and White, S. V., additional

Published
2020
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122. The flickering nuclear activity of Fornax A

Author

Maccagni, F. M., primary, Murgia, M., additional, Serra, P., additional, Govoni, F., additional, Morokuma-Matsui, K., additional, Kleiner, D., additional, Buchner, S., additional, Józsa, G. I. G., additional, Kamphuis, P., additional, Makhathini, S., additional, Molnár, D. Cs., additional, Prokhorov, D. A., additional, Ramaila, A., additional, Ramatsoku, M., additional, Thorat, K., additional, and Smirnov, O., additional

Published
2020
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127. WALLABY pilot survey: H i gas disc truncation and star formation of galaxies falling into the Hydra I cluster.

Author

Reynolds, T N, Catinella, B, Cortese, L, Westmeier, T, Meurer, G R, Shao, L, Obreschkow, D, Román, J, Verdes-Montenegro, L, Deg, N, Dénes, H, For, B-Q, Kleiner, D, Koribalski, B S, Lee-Waddell, K, Murugeshan, C, Oh, S-H, Rhee, J, Spekkens, K, and Staveley-Smith, L

Subjects
GALAXY formation, STAR formation, WALLABIES, GALAXY clusters, GAS reservoirs, ATOMIC hydrogen
Abstract

We present results from our analysis of the Hydra I cluster observed in neutral atomic hydrogen (H  i) as part of the Widefield ASKAP L-band Legacy All-sky Blind Survey (WALLABY). These WALLABY observations cover a 60-square-degree field of view with uniform sensitivity and a spatial resolution of 30 arcsec. We use these wide-field observations to investigate the effect of galaxy environment on H  i gas removal and star formation quenching by comparing the properties of cluster, infall, and field galaxies extending up to ∼5 R 200 from the cluster centre. We find a sharp decrease in the H  i -detected fraction of infalling galaxies at a projected distance of ∼1.5 R 200 from the cluster centre from |$\sim 85{{\ \rm per\ cent}}$| to |$\sim 35{{\ \rm per\ cent}}$|⁠. We see evidence for the environment removing gas from the outskirts of H  i -detected cluster and infall galaxies through the decrease in the H  i to r -band optical disc diameter ratio. These galaxies lie on the star-forming main sequence, indicating that gas removal is not yet affecting the inner star-forming discs and is limited to the galaxy outskirts. Although we do not detect galaxies undergoing galaxy-wide quenching, we do observe a reduction in recent star formation in the outer disc of cluster galaxies, which is likely due to the smaller gas reservoirs present beyond the optical radius in these galaxies. Stacking of H  i non-detections with H  i masses below |$M_{\rm {HI}}\lesssim 10^{8.4}\, \rm {M}_{\odot }$| will be required to probe the H  i of galaxies undergoing quenching at distances ≳60 Mpc with WALLABY. [ABSTRACT FROM AUTHOR]

Published
2022
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134. Neutral hydrogen gas within and around NGC 1316

Author

Serra, P. (P.), Maccagni, F. M. (F. M.), Kleiner, D. (D.), de Blok, W. J. (W. J. G.), van Gorkom, J. H. (J. H.), Hugo, B. (B.), Iodice, E. (E.), Józsa, G. I. (G. I. G.), Kamphuis, P. (P.), Kraan-Korteweg, R. (R.), Loni, A. (A.), Makhathini, S. (S.), Molnár, D. (D.), Oosterloo, T. (T.), Peletier, R. (R.), Ramaila, A. (A.), Ramatsoku, M. (M.), Smirnov, O. (O.), Smith, M. (M.), Spavone, M. (M.), Thorat, K. (K.), Trager, S. C. (S. C.), Venhola, A. (A.), Serra, P. (P.), Maccagni, F. M. (F. M.), Kleiner, D. (D.), de Blok, W. J. (W. J. G.), van Gorkom, J. H. (J. H.), Hugo, B. (B.), Iodice, E. (E.), Józsa, G. I. (G. I. G.), Kamphuis, P. (P.), Kraan-Korteweg, R. (R.), Loni, A. (A.), Makhathini, S. (S.), Molnár, D. (D.), Oosterloo, T. (T.), Peletier, R. (R.), Ramaila, A. (A.), Ramatsoku, M. (M.), Smirnov, O. (O.), Smith, M. (M.), Spavone, M. (M.), Thorat, K. (K.), Trager, S. C. (S. C.), and Venhola, A. (A.)

Abstract

We present MeerKAT observations of neutral hydrogen gas (H I) in the nearby merger remnant NGC 1316 (Fornax A), the brightest member of a galaxy group which is falling into the Fornax cluster. We find H I on a variety of scales, from the galaxy centre to its large-scale environment. For the first time we detect H I at large radii (70–150 kpc in projection), mostly distributed on two long tails associated with the galaxy. Gas in the tails dominates the H I mass of NGC 1316: 7 × 108 M⊙– 14 times more than in previous observations. The total H I mass is comparable to the amount of neutral gas found inside the stellar body, mostly in molecular form. The H I tails are associated with faint optical tidal features thought to be the remnant of a galaxy merger occurred a few billion years ago. They demonstrate that the merger was gas-rich. During the merger, tidal forces pulled some gas and stars out to large radii, where we now detect them in the form of optical tails and, thanks to our new data, H I tails; while torques caused the remaining gas to flow towards the centre of the remnant, where it was converted into molecular gas and fuelled the starburst revealed by the galaxy’s stellar populations. Several of the observed properties of NGC 1316 can be reproduced by a ∼10:1 merger between a dominant, gas-poor early-type galaxy and a smaller, gas-rich spiral occurred 1–3 Gyr ago, likely followed by subsequent accretion of satellite galaxies.

Published
2019

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