The chandra source catalog
Ian N. Evans,Francis A. Primini,Kenny J. Glotfelty,C. S. Anderson,Nina R. Bonaventura,Judy C. Chen,John E. Davis,Stephen M. Doe,Janet D. Evans,Giuseppina Fabbiano,Elizabeth C. Galle,Danny G. Gibbs,John D. Grier,Roger Hain,Diane M. Hall,Peter N. Harbo,Xiangqun Helen He,John C. Houck,Margarita Karovska,Vinay Kashyap,Jennifer Lauer,Michael L. McCollough,Jonathan C. McDowell,Joseph B. Miller,Arik W. Mitschang,Douglas Morgan,Amy E. Mossman,Joy S. Nichols,Michael A. Nowak,David A. Plummer,Brian L. Refsdal,Arnold H. Rots,Aneta Siemiginowska,Beth A. Sundheim,Michael S. Tibbetts,David W. Van Stone,Sherry L. Winkelman,Panagoula Zografou +37 more
TLDR
The Chandra Source Catalog (CSC) as mentioned in this paper is a general purpose virtual X-ray astrophysics facility that provides access to a carefully selected set of generally useful quantities for individual Xray sources, and is designed to satisfy the needs of a broad-based group of scientists.Abstract:
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.read more
Citations
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Journal ArticleDOI
The baryon oscillation spectroscopic survey of sdss-iii
Kyle S. Dawson,David J. Schlegel,Christopher P. Ahn,Scott F. Anderson,Éric Aubourg,Stephen Bailey,Robert H. Barkhouser,Julian E. Bautista,Alessandra Beifiori,Andreas A. Berlind,Vaishali Bhardwaj,Dmitry Bizyaev,Cullen H. Blake,Michael R. Blanton,Michael Blomqvist,Adam S. Bolton,Arnaud Borde,Jo Bovy,W. N. Brandt,Howard Brewington,Jon Brinkmann,Peter J. Brown,Peter J. Brown,Joel R. Brownstein,Kevin Bundy,Nicolás G. Busca,William Carithers,A. Carnero,Michael A. Carr,Yanmei Chen,Johan Comparat,Natalia Connolly,Frances Cope,Rupert A. C. Croft,Antonio J. Cuesta,Luiz N. da Costa,James R. A. Davenport,Timothée Delubac,Roland de Putter,Roland de Putter,Saurav Dhital,Saurav Dhital,Anne Ealet,Garrett Ebelke,Daniel J. Eisenstein,Stephanie Escoffier,Xiaohui Fan,N. Filiz Ak,Hayley Finley,Andreu Font-Ribera,Andreu Font-Ribera,Ricardo Genova-Santos,Ricardo Genova-Santos,James E. Gunn,Hong Guo,Daryl Haggard,Patrick B. Hall,Jean-Christophe Hamilton,Ben Harris,David W. Harris,Shirley Ho,Shirley Ho,David W. Hogg,Diana Holder,K. Honscheid,Joe Huehnerhoff,Beatrice Jordan,Wendell P. Jordan,Guinevere Kauffmann,Eyal A. Kazin,D. Kirkby,Mark A. Klaene,Jean-Paul Kneib,Jean-Marc Le Goff,Khee-Gan Lee,Dan Long,Craig Loomis,Britt Lundgren,Robert H. Lupton,Marcio A. G. Maia,Martin Makler,Elena Malanushenko,Viktor Malanushenko,Rachel Mandelbaum,Rachel Mandelbaum,Marc Manera,Claudia Maraston,Daniel Margala,Karen L. Masters,Cameron K. McBride,Patrick McDonald,Ian D. McGreer,Richard G. McMahon,Olga Mena,Jordi Miralda-Escudé,Jordi Miralda-Escudé,Antonio D. Montero-Dorta,Antonio D. Montero-Dorta,Francesco Montesano,Demitri Muna,Adam D. Myers,Tracy Naugle,Robert C. Nichol,Pasquier Noterdaeme,Sebastián E. Nuza,Matthew D. Olmstead,Audrey Oravetz,Daniel Oravetz,Russell Owen,Nikhil Padmanabhan,Nathalie Palanque-Delabrouille,Kaike Pan,John K. Parejko,Isabelle Pâris,Isabelle Pâris,Will J. Percival,Ismael Perez-Fournon,Ismael Perez-Fournon,Ignasi Pérez-Ràfols,Patrick Petitjean,Robert Pfaffenberger,Janine Pforr,Matthew M. Pieri,Francisco Prada,Francisco Prada,Adrian M. Price-Whelan,M. Jordan Raddick,Rafael Rebolo,James Rich,Gordon T. Richards,Constance M. Rockosi,Natalie A. Roe,Ashley J. Ross,Nicholas P. Ross,Graziano Rossi,Jose Alberto Rubino-Martin,Jose Alberto Rubino-Martin,Lado Samushia,Lado Samushia,Ariel G. Sánchez,Conor Sayres,Sarah J. Schmidt,Donald P. Schneider,Claudia G. Scóccola,Claudia G. Scóccola,Hee-Jong Seo,Alaina Shelden,Erin S. Sheldon,Yue Shen,Yiping Shu,Anže Slosar,Stephen A. Smee,Stephanie A. Snedden,Fritz Stauffer,Oliver Steele,Michael A. Strauss,Alina Streblyanska,Alina Streblyanska,Nao Suzuki,Nao Suzuki,Molly E. C. Swanson,Tomer Tal,Masayuki Tanaka,Daniel Thomas,Jeremy L. Tinker,Rita Tojeiro,Christy Tremonti,M. Vargas Magaña,Licia Verde,Licia Verde,Matteo Viel,David A. Wake,M. G. Watson,Benjamin A. Weaver,David H. Weinberg,Benjamin J. Weiner,Andrew A. West,Martin White,Martin White,W. M. Wood-Vasey,Christophe Yèche,Idit Zehavi,Gong-Bo Zhao,Gong-Bo Zhao,Zheng Zheng +184 more
TL;DR: The Baryon Oscillation Spectroscopic Survey (BOSS) as discussed by the authors was designed to measure the scale of baryon acoustic oscillations (BAO) in the clustering of matter over a larger volume than the combined efforts of all previous spectroscopic surveys of large-scale structure.
Journal ArticleDOI
The XMM-Newton serendipitous survey - VII. The third XMM-Newton serendipitous source catalogue
Simon Rosen,Natalie A. Webb,Natalie A. Webb,M. G. Watson,Jean Ballet,Didier Barret,Didier Barret,Valentina Braito,Valentina Braito,Francisco J. Carrera,María Teresa Ceballos,Mickael Coriat,Mickael Coriat,R. Della Ceca,G. Denkinson,P. Esquej,Sean Farrell,Michael Freyberg,Fabien Grisé,Patrick Guillout,L. Heil,Filippos Koliopanos,Filippos Koliopanos,D. Law-Green,Georg Lamer,Dacheng Lin,Dacheng Lin,Dacheng Lin,R. Martino,Laurent Michel,Christian Motch,A. Nebot Gomez-Moran,Clive G. Page,K. L. Page,M. J. Page,Manfred W. Pakull,John P. Pye,A. M. Read,P. Rodriguez,Masaaki Sakano,R. D. Saxton,Axel Schwope,A. E. Scott,Richard Sturm,I. Traulsen,Vladimir Yershov,Ivan Zolotukhin,Ivan Zolotukhin +47 more
TL;DR: The 3XMM-DR5 dataset as mentioned in this paper contains 565,962 X-ray detections from the European Space Agency X-Ray observatory XMM-Newton.
Journal ArticleDOI
Cosmic X-ray surveys of distant active galaxies
W. N. Brandt,David M. Alexander +1 more
TL;DR: In this paper, the authors review results from cosmic X-ray surveys of active galactic nuclei (AGNs) over the past 15 years that have dramatically improved our understanding of growing supermassive black holes in the distant universe.
Journal ArticleDOI
A systematic search for changing-look quasars in SDSS
Chelsea L. MacLeod,Nicholas P. Ross,Andy Lawrence,M. R. Goad,Keith Horne,William S. Burgett,K. C. Chambers,H. Flewelling,Klaus W. Hodapp,Nick Kaiser,E. A. Magnier,Richard J. Wainscoat,Christopher Waters +12 more
TL;DR: In this paper, the authors acknowledge support from the STFC and the Ernest Rutherford Fellowship scheme for the SDSS and SDSSE-II, and the Higher Education Funding Council for England.
Journal ArticleDOI
Cosmic X-ray Surveys of Distant Active Galaxies: The Demographics, Physics, and Ecology of Growing Supermassive Black Holes
W. N. Brandt,David M. Alexander +1 more
TL;DR: In this paper, the authors review results from cosmic X-ray surveys of active galactic nuclei (AGNs) over the past ~ 15 yr that have dramatically improved our understanding of growing supermassive black holes in the distant universe.
References
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SExtractor: Software for source extraction
E. Bertin,E. Bertin,S. Arnouts +2 more
TL;DR: The SExtractor ( Source Extractor) as mentioned in this paper is an automated software that optimally detects, deblends, measures and classifies sources from astronomical images, which is particularly suited to the analysis of large extragalactic surveys.
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Abundances of the elements: Meteoritic and solar
Edward Anders,Nicolas Grevesse +1 more
TL;DR: In this article, new abundance tables have been compiled for C1 chondrites and the solar photosphere and corona, based on a critical review of the literature to mid-1988.
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The Seventh Data Release of the Sloan Digital Sky Survey
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TL;DR: A series of improvements to the spectroscopic reductions are described, including better flat fielding and improved wavelength calibration at the blue end, better processing of objects with extremely strong narrow emission lines, and an improved determination of stellar metallicities.
Astronomical Data Analysis Software and Systems
TL;DR: The ADS abstract service at: http://adswww.harvard.edu has been updated considerably in the last year and new capabilities in the search engine include searching for multi-word phrases and searching for various logical combinations of search terms.
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