THE CHANDRA SOURCE CATALOG

By I. Evans, F. Primini, K. Glotfelty, C. Anderson, Nina R. Bonaventura, Judy C. Chen, John E. Davis, S. Doe, Janet D. Evans, G. Fabbiano and 28 more. 2009

444 citations recorded by the source corpus.

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 ≲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 ≲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.

Subfields: Astronomy and Astrophysics, Nuclear and High Energy Physics

View Paper: https://www.semanticscholar.org/paper/7579ffdac6cc2ccded5dfd34b16466a967743584

How researchers see this paper

The researchers whose trusted networks rank it highest, strongest advocate first. Every researcher gets a different order.

In Astronomy and Astrophysics

In Nuclear and High Energy Physics

Citations in the corpus

A systematic search for changing-look quasars in SDSS (2015, unknown): “We check the latest release of the XMMNewton serendipitous source catalog (Rosen et al. 2015) and the Chandra Source Catalog (CSC; Evans et al. 2010) for archival X-ray observations of any interesting objects from our search.”
1SXPS: A DEEP SWIFT X-RAY TELESCOPE POINT SOURCE CATALOG WITH LIGHT CURVES AND SPECTRA (2013, background): “…and sky coverage of this catalog means it occupies the area of parameter space between the deep-and-narrow surveys such as 3XMMDR4, 1CSC (Evans et al. 2010) and the Chandra BMW catalog (Romano et al. 2008); and the shallow-and-wide surveys such as the Rosat All-Sky Survey (Voges et…”
THE BARYON OSCILLATION SPECTROSCOPIC SURVEY OF SDSS-III (2012, methodology): “For this study, a target list was derived from the matched Chandra Source Catalog (CSC; version 1; Evans et al. 2010) and SDSS DR7 photometric catalogs.”
THE NEXT GENERATION ATLAS OF QUASAR SPECTRAL ENERGY DISTRIBUTIONS FROM RADIO TO X-RAYS (2011, result): “In addition to individual studies, we also obtained the results of 3 objects from the Chandra Source Catalog (CSC, Evans et al. 2010).”
The Eighteenth Data Release of the Sloan Digital Sky Surveys: Targeting and First Spectra from SDSS-V (2023, background): “The SDSS-V/CSC program produces identifications, redshifts, and other properties of tens of thousands of X-ray source counterparts selected from the CSC99 (Evans et al. 2010); again, many are likely to be verified as AGNs in their SDSS-V spectra.”
Cosmic X-ray surveys of distant active galaxies (2015, background): “…for the majority of sources in Chandra surveys owing to the excellent angular resolution of Chandra (generally providing 0.5–1.5′′ positions; e.g., Evans et al 2010), although there are genuine matching challenges for the faintest optical, near-infrared (NIR; about 1–5 µm), and/or mid-infrared…”
Gamma-ray spectroscopy of Positron Annihilation in the Milky Way (2015, methodology): “We also searched for a 511 keV line from the Andromeda Galaxy (M31, modelled as a point-source), (l/b) = (121.17/ − 21.57)◦ (Evans et al. 2010), finding an upper limit of 1 × 10−4 ph cm−2 s−1 (2σ).”