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| DOI | 10.1088/0067-0049/191/1/143 | ||||
| Año | 2010 | ||||
| Tipo | artículo de investigación |
Citas Totales
Autores Afiliación Chile
Instituciones Chile
% Participación
Internacional
Autores
Afiliación Extranjera
Instituciones
Extranjeras
The Coma cluster, Abell 1656, was the target of an HST-ACS Treasury program designed for deep imaging in the F475W and F814W passbands. Although our survey was interrupted by the ACS instrument failure in early 2007, the partially completed survey still covers similar to 50% of the core high-density region in Coma. Observations were performed for 25 fields that extend over a wide range of cluster-centric radii (similar to 1.75 Mpc or 1 degrees) with a total coverage area of 274 arcmin(2). The majority of the fields are located near the core region of Coma (19/25 pointings) with six additional fields in the southwest region of the cluster. In this paper, we present reprocessed images and SEXTRACTOR source catalogs for our survey fields, including a detailed description of the methodology used for object detection and photometry, the subtraction of bright galaxies to measure faint underlying objects, and the use of simulations to assess the photometric accuracy and completeness of our catalogs. We also use simulations to perform aperture corrections for the SEXTRACTOR Kron magnitudes based only on the measured source flux and its half-light radius. We have performed photometry for similar to 73,000 unique objects; approximately one-half of our detections are brighter than the 10 sigma point-source detection limit at F814W = 25.8 mag (AB). The slight majority of objects (60%) are unresolved or only marginally resolved by ACS. We estimate that Coma members are 5%-10% of all source detections, which consist of a large population of unresolved compact sources (primarily globular clusters but also ultra-compact dwarf galaxies) and a wide variety of extended galaxies from a cD galaxy to dwarf low surface brightness galaxies. The red sequence of Coma member galaxies has a color-magnitude relation with a constant slope and dispersion over 9 mag (-21 < M-F814W < -13). The initial data release for the HST-ACS Coma Treasury program was made available to the public in 2008 August. The images and catalogs described in this study relate to our second data release.
| Ord. | Autor | Género | Institución - País |
|---|---|---|---|
| 1 | Hammer, Derek | Hombre |
Johns Hopkins Univ - Estados Unidos
NASA - Estados Unidos Johns Hopkins University - Estados Unidos NASA Goddard Space Flight Center - Estados Unidos |
| 2 | Verdoes Kleijn, Gijs A. | Hombre |
Univ Groningen - Países Bajos
University of Groningen, Kapteyn Astronomical Institute - Países Bajos Kapteyn Instituut - Países Bajos |
| 3 | Hoyos, Carlos | Hombre |
Univ Nottingham - Reino Unido
University of Nottingham - Reino Unido |
| 4 | den Brok, Mark | Hombre |
Univ Groningen - Países Bajos
University of Groningen, Kapteyn Astronomical Institute - Países Bajos Kapteyn Instituut - Países Bajos |
| 5 | Balcells, Marc | Hombre |
Inst Astrofis Canarias - España
Grupo de Telescopios Isaac Newton, España - España Instituto Astrofisico de Canarias - España Isaac Newton Group - España |
| 6 | Ferguson, Henry | Hombre |
Space Telescope Sci Inst - Estados Unidos
STScI - Estados Unidos Space Telescope Science Institute - Estados Unidos |
| 7 | Goudfrooij, Paul | Hombre |
Space Telescope Sci Inst - Estados Unidos
STScI - Estados Unidos Space Telescope Science Institute - Estados Unidos |
| 8 | Carter, David | Hombre |
Liverpool John Moores Univ - Reino Unido
Liverpool John Moores University - Reino Unido |
| 9 | Guzman, Rafael | Hombre |
UNIV FLORIDA - Estados Unidos
University of Florida - Estados Unidos |
| 10 | Peletier, R. E. | Hombre |
Univ Groningen - Países Bajos
University of Groningen, Kapteyn Astronomical Institute - Países Bajos Kapteyn Instituut - Países Bajos |
| 11 | Smith, Russell J. | Hombre |
Univ Durham - Reino Unido
University of Durham - Reino Unido Durham University - Reino Unido |
| 12 | Graham, Alister W. | Hombre |
Swinburne Univ Technol - Australia
Swinburne University of Technology - Australia |
| 13 | Trentham, Neil | Hombre |
UNIV CAMBRIDGE - Reino Unido
Institute of Astronomy - Reino Unido |
| 14 | Peng, Eric | Hombre |
Peking Univ - China
Peking University - China |
| 15 | Puzia, Thomas H. | Hombre |
Natl Res Council Canada - Canadá
National Research Council Canada - Canadá |
| 16 | Lucey, John R. | Hombre |
Univ Durham - Reino Unido
University of Durham - Reino Unido Durham University - Reino Unido |
| 17 | Jogee, Shardha | - |
Univ Texas Austin - Estados Unidos
The University of Texas at Austin - Estados Unidos |
| 18 | LOPEZ-AGUERRI, JOSE ALFONSO | Hombre |
Inst Astrofis Canarias - España
Instituto Astrofisico de Canarias - España |
| 19 | Batcheldor, D. | - |
Rochester Inst Technol - Estados Unidos
Rochester Institute of Technology - Estados Unidos |
| 20 | Bridges, Terry J. | Hombre |
Queens Univ - Canadá
Queen's University, Kingston - Canadá Queen’s University - Canadá |
| 21 | Chiboucas, Kristin | Mujer |
Observatorio Gemini - Estados Unidos
Gemini Observatory - Estados Unidos |
| 22 | Davies, Jonathan I. | Hombre |
Cardiff Univ - Reino Unido
Cardiff University - Reino Unido |
| 23 | del Burgo, Carlos | Hombre |
Universidad Nova Lisboa - Portugal
Dublin Inst Adv Studies - Irlanda Instituto de Desenvolvimento de Novas Tecnologias - Portugal Dublin Institute for Advanced Studies - Irlanda Univ Nova Lisboa - Portugal Institiúid Ard-Lénn Bhaile Átha Cliath - Irlanda |
| 24 | Erwin, P. | Hombre |
Max Planck Inst Extraterr Phys - Alemania
Univ Sternwarte - Alemania Max Planck Institute for Extraterrestrial Physics - Alemania Ludwig-Maximilians-Universität München - Alemania |
| 25 | Hornschemeier, A. E. | - |
NASA - Estados Unidos
NASA Goddard Space Flight Center - Estados Unidos |
| 26 | Hudson, Michael J. | - |
Univ Waterloo - Canadá
|
| 27 | Huxor, A. | Mujer |
Univ Bristol - Reino Unido
University of Bristol - Reino Unido |
| 28 | Jenkins, Leigh | Mujer |
NASA - Estados Unidos
NASA Goddard Space Flight Center - Estados Unidos |
| 29 | Karick, A. M. | Mujer |
Liverpool John Moores Univ - Reino Unido
Liverpool John Moores University - Reino Unido |
| 30 | Khosroshahi, H. | Hombre |
Inst Res Fundamental Sci IPM - Iran
Iranian Research Institute for Fundamental Sciences - Iran |
| 31 | Kourkchi, Ehsan | Hombre |
Inst Res Fundamental Sci IPM - Iran
Iranian Research Institute for Fundamental Sciences - Iran |
| 32 | Komiyama, Y. | Hombre |
Natl Astron Observ Japan - Estados Unidos
National Institutes of Natural Sciences - National Astronomical Observatory of Japan - Japón |
| 33 | Lotz, Jennifer | Mujer |
Natl Opt Astron Observ - Estados Unidos
National Optical Astronomy Observatory - Estados Unidos |
| 34 | Marzke, R. O. | Hombre |
San Francisco State Univ - Estados Unidos
San Francisco State University - Estados Unidos |
| 35 | Marinova, Irina | Mujer |
Univ Texas Austin - Estados Unidos
The University of Texas at Austin - Estados Unidos |
| 36 | Matkovic, Ana | - |
Space Telescope Sci Inst - Estados Unidos
STScI - Estados Unidos Space Telescope Science Institute - Estados Unidos |
| 37 | Merritt, David | Hombre |
Rochester Inst Technol - Estados Unidos
Rochester Institute of Technology - Estados Unidos |
| 38 | Miller, Bryan | Hombre |
Observatorio Gemini - Chile
Gemini ObservatorySouthern Operations Center - Chile Observatorio Gemini - Estados Unidos |
| 39 | Miller, Neal A. | Hombre |
UNIV MARYLAND - Estados Unidos
University of Maryland - Estados Unidos University of Maryland, College Park - Estados Unidos |
| 40 | Mobasher, Bahram | Hombre |
Univ Calif Riverside - Estados Unidos
University of California, Riverside - Estados Unidos |
| 41 | Mouhcine, Mustapha | Hombre |
Liverpool John Moores Univ - Reino Unido
Liverpool John Moores University - Reino Unido |
| 42 | Baran, Andrzej S. | Hombre |
Univ Tokyo - Japón
|
| 43 | Percival, S. M. | - |
Liverpool John Moores Univ - Reino Unido
Liverpool John Moores University - Reino Unido |
| 44 | Phillipps, S. | Hombre |
Univ Waterloo - Canadá
University of Waterloo - Canadá |
| 45 | Poggianti, B. | Mujer |
Osserv Astron Padova - Italia
Osservatorio Astronomico di Padova - Italia University of Durham - Italia |
| 46 | Price, James | Hombre |
Univ Waterloo - Canadá
University of Waterloo - Canadá |
| 47 | Sharples, Ray M. | Hombre |
Univ Durham - Reino Unido
University of Durham - Reino Unido Durham University - Reino Unido |
| 48 | Tully, R. Brent | Hombre |
Univ Hawaii - Estados Unidos
University of Hawaii at Manoa - Estados Unidos University Hawaii Institute for Astronomy - Estados Unidos |
| 49 | Valentijn, E. | Hombre |
Univ Groningen - Países Bajos
University of Groningen, Kapteyn Astronomical Institute - Países Bajos Kapteyn Instituut - Países Bajos |
| Fuente |
|---|
| NSF |
| DFG |
| Spanish MICINN |
| NASA |
| Science and Technology Facilities Council |
| UK STFC |
| NSERC |
| STScI |
| Science Ministry of Spain |
| Agradecimiento |
|---|
| We thank the referee for their helpful comments, Panayiotis Tzanavaris for assistance with the Scamp software, Antara Basu-Zych for useful science discussion, Karen Levay for implementing the data release on MAST, and Zolt Levay for constructing the two-color images. This research and associated EPO program are supported by STScI through grants HST-GO-10861 and HST-E0-10861.35-A, respectively. Partial support is also provided for the following individuals: D. C. and A. K. are supported by UK STFC rolling grant PP/E001149/1; P. E. is supported by DFG Priority Programme 1177; M. B. is supported by the Science Ministry of Spain through grants AYA2006-12955 and AYA2009-11137; Hudson is supported by NSERC; R. G. is supported by Spanish MICINN under the Consolider-Ingenio 2010 Programme grant CSD2006-00070; D. M. is supported by grants AST-0807910 (NSF) and NNX07AH15G (NASA). |