ACDS V9.0 - Tue Dec 17 18:58:55 CET 2019

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Detailed Description of CXC/V2 :
Chandra Catalog Release View

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Note : this is the description file of the original catalog. This HTML page corresponds well to the original description, but some minor changes in the format may have been introduced in the FITS output files in order to allow for arithmetic operations on quantities such as coordinates and times. h:m:s and d:m:s units are normally converted into degrees, and YYYY-MM-DD into julian days.
Similarly, some slight changes may have been introduced in the units; the value given in the HTML files supersedes the value indicated in the ReadMe file for this catalogue.
O/3         Extract from Catalog Release View
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Extract from Catalog Release View
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ADC_Keywords: X-ray sources, Cross identifications

Mission_Name: CHANDRA


Description:


The Chandra Source Catalog (CSC; http://cxc.cfa.harvard.edu/csc/) is ultimately intended
to be the definitive catalog of X-ray sources detected by the Chandra X-ray Observatory.
The current version of the catalog is release 1.1. This version includes the information 
contained in release 1.0.1, plus point and compact source data extracted from HRC imaging 
observations, and catch-up ACIS observations released publicly prior to the end of 2009.
Users who wish to reference the Chandra Source Catalog in a publication should cite

Evans, I.N., et al. 2010, ApJS, 189, 37 or Evans, I.N., et al. 2010, arXiv:1005.4665

The version employed at Strasbourg Observatory/CDS uses the results of a VO Cone Search

(http://cda.cfa.harvard.edu/cscvo/coneSearch) on source position in the released CSC.
The Search with VERB (verbosity) parameter 2 returns the master source summary results 
and Space Time Coordinate (STC) metadata for each matching source. It includes 24 CSC 
master source properties listed in the Description of the Catalog below.

We thank the CSC team for their kind permission to correlate their catalog with 
the results obtained by XMM/Newton.

(Laurent Michel & Manfred W. Pakull 15-Jun-2012)


File Summary:

FileName Lrecl Records Explanations
× 80 . This file × ReadMe 159 . This file × Catalog 159 . Result
Byte-by-byte Description of file: Catalog
Bytes Format Units Label Explanations
1- 20 A20 --- Name Put a description 21- 28 D8.7 deg ra Put a description 29- 36 D8.7 deg dec Put a description 37- 44 D8.7 arcsec errellipser0 Put a description 45 I1 --- conf_flag Put a description 46 I1 --- ext_lag Put a description 47 I1 --- satsrcflag Put a description 48- 55 E8.2 erg/s*cm2 fluxaperb Put a description 56- 63 E8.7 erg/s*cm2 fluxaperlolim_b Put a description 64- 71 E8.7 erg/s*cm2 fluxaperhilim_b Put a description 72- 79 E8.7 erg/s*cm2 fluxaperw Put a description 80- 87 E8.7 erg/s*cm2 fluxaperlolim_w Put a description 88- 95 E8.7 erg/s*cm2 fluxaperhilim_w Put a description 96-103 D8.7 --- significance Put a description 104-111 D8.7 --- hard_hm Put a description 112-119 D8.7 --- hardhmlolim Put a description 120-127 D8.7 --- hardhmhilim Put a description 128-135 D8.7 --- hard_ms Put a description 136-143 D8.7 --- hardmslolim Put a description 144-151 D8.7 --- hardmshilim Put a description 152-153 I2 --- varintraindex_b Put a description 154-155 I2 --- varintraindex_w Put a description 156-157 I2 --- varinterindex_b Put a description 158-159 I2 --- varinterindex_w Put a description
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