THE CHANDRA SOURCE CATALOG
The Chandra Source Catalog (CSC) is a general purpose virtual X-ray astrophysics facility that provides access to a carefully selected set of generally useful quantities for individual X-ray sources, and is designed to satisfy the needs of a broad-based group of scientists, including those who may b...
| Main Authors: | , , |
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| Format: | Article |
| Language: | en_US |
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IOP Publishing
2015
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| Online Access: | http://hdl.handle.net/1721.1/96781 |
| _version_ | 1811090599039729664 |
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| author | Davis, John E. Houck, John C. Nowak, Michael A. |
| author2 | MIT Kavli Institute for Astrophysics and Space Research |
| author_facet | MIT Kavli Institute for Astrophysics and Space Research Davis, John E. Houck, John C. Nowak, Michael A. |
| author_sort | Davis, John E. |
| collection | MIT |
| description | The Chandra Source Catalog (CSC) is a general purpose virtual X-ray astrophysics facility that provides access to a carefully selected set of generally useful quantities for individual X-ray sources, and is designed to satisfy the needs of a broad-based group of scientists, including those who may be less familiar with astronomical data analysis in the X-ray regime. The first release of the CSC includes information about 94,676 distinct X-ray sources detected in a subset of public Advanced CCD Imaging Spectrometer imaging observations from roughly the first eight years of the Chandra mission. This release of the catalog includes point and compact sources with observed spatial extents [< over ~]30''. The catalog (1) provides access to the best estimates of the X-ray source properties for detected sources, with good scientific fidelity, and directly supports scientific analysis using the individual source data; (2) facilitates analysis of a wide range of statistical properties for classes of X-ray sources; and (3) provides efficient access to calibrated observational data and ancillary data products for individual X-ray sources, so that users can perform detailed further analysis using existing tools. The catalog includes real X-ray sources detected with flux estimates that are at least 3 times their estimated 1σ uncertainties in at least one energy band, while maintaining the number of spurious sources at a level of [< over ~]1 false source per field for a 100 ks observation. For each detected source, the CSC provides commonly tabulated quantities, including source position, extent, multi-band fluxes, hardness ratios, and variability statistics, derived from the observations in which the source is detected. In addition to these traditional catalog elements, for each X-ray source the CSC includes an extensive set of file-based data products that can be manipulated interactively, including source images, event lists, light curves, and spectra from each observation in which a source is detected. |
| first_indexed | 2024-09-23T14:48:45Z |
| format | Article |
| id | mit-1721.1/96781 |
| institution | Massachusetts Institute of Technology |
| language | en_US |
| last_indexed | 2024-09-23T14:48:45Z |
| publishDate | 2015 |
| publisher | IOP Publishing |
| record_format | dspace |
| spelling | mit-1721.1/967812022-10-01T22:37:27Z THE CHANDRA SOURCE CATALOG Davis, John E. Houck, John C. Nowak, Michael A. MIT Kavli Institute for Astrophysics and Space Research Davis, John E. Houck, John C. Nowak, Michael A. The Chandra Source Catalog (CSC) is a general purpose virtual X-ray astrophysics facility that provides access to a carefully selected set of generally useful quantities for individual X-ray sources, and is designed to satisfy the needs of a broad-based group of scientists, including those who may be less familiar with astronomical data analysis in the X-ray regime. The first release of the CSC includes information about 94,676 distinct X-ray sources detected in a subset of public Advanced CCD Imaging Spectrometer imaging observations from roughly the first eight years of the Chandra mission. This release of the catalog includes point and compact sources with observed spatial extents [< over ~]30''. The catalog (1) provides access to the best estimates of the X-ray source properties for detected sources, with good scientific fidelity, and directly supports scientific analysis using the individual source data; (2) facilitates analysis of a wide range of statistical properties for classes of X-ray sources; and (3) provides efficient access to calibrated observational data and ancillary data products for individual X-ray sources, so that users can perform detailed further analysis using existing tools. The catalog includes real X-ray sources detected with flux estimates that are at least 3 times their estimated 1σ uncertainties in at least one energy band, while maintaining the number of spurious sources at a level of [< over ~]1 false source per field for a 100 ks observation. For each detected source, the CSC provides commonly tabulated quantities, including source position, extent, multi-band fluxes, hardness ratios, and variability statistics, derived from the observations in which the source is detected. In addition to these traditional catalog elements, for each X-ray source the CSC includes an extensive set of file-based data products that can be manipulated interactively, including source images, event lists, light curves, and spectra from each observation in which a source is detected. 2015-04-24T13:54:17Z 2015-04-24T13:54:17Z 2010-07 2009-09 Article http://purl.org/eprint/type/JournalArticle 0067-0049 1538-4365 http://hdl.handle.net/1721.1/96781 Evans, Ian N., Francis A. Primini, Kenny J. Glotfelty, Craig S. Anderson, Nina R. Bonaventura, Judy C. Chen, John E. Davis, et al. “THE CHANDRA SOURCE CATALOG.” The Astrophysical Journal Supplement Series 189, no. 1 (June 16, 2010): 37–82. © 2010 The American Astronomical Society en_US http://dx.doi.org/10.1088/0067-0049/189/1/37 The Astrophysical Journal. Supplement Series Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use. application/pdf IOP Publishing American Astronomical Society |
| spellingShingle | Davis, John E. Houck, John C. Nowak, Michael A. THE CHANDRA SOURCE CATALOG |
| title | THE CHANDRA SOURCE CATALOG |
| title_full | THE CHANDRA SOURCE CATALOG |
| title_fullStr | THE CHANDRA SOURCE CATALOG |
| title_full_unstemmed | THE CHANDRA SOURCE CATALOG |
| title_short | THE CHANDRA SOURCE CATALOG |
| title_sort | chandra source catalog |
| url | http://hdl.handle.net/1721.1/96781 |
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