COSMOS XMM Catalog Definitions

COSMOS Overview

The COSMOS Archive serves data taken for the Cosmic Evolution Survey (COSMOS) project. COSMOS is an astronomical survey designed to probe the formation and evolution of galaxies as a function of cosmic time (redshift) and large scale structural environment. The survey covers a 2 square degree equatorial field with imaging by most of the major space-based telescopes (Hubble, Spitzer, GALEX, XMM, Chandra) and a number of large ground based telescopes (Subaru, VLA, ESO-VLT, UKIRT, NOAO, CFHT, and others).

IRSA serves the COSMOS archive using the following search methods:

COSMOS XMM Catalog Column Definitions

Gator serves the COSMOS November 2008 XMM Point-like Source Catalog (31 columns [26 delivered + 5 IRSA-created], 1,886 data rows). The column descriptions can be found below.

Column Name Data Type Units Description
xid int   XMM-COSMOS ID
iau_name char   IAU-NAME
ra float deg Right Ascension
dec float deg Declination
poserr float arcsec Positinal error
s0520 float flux / 1e-14 Flux 0.5-2 keV
s_err0520 float flux / 1e-14 Flux error 0.5-2 keV
cts_0520 float   Net Counts 0.5-2 keV
cts_err_0520 float   Net Counts error 0.5-2 keV
L_0520 float   Detection Likelihood
bkg_cts_0520 float cts/pix Background counts 0.5-2 keV
exptime_0520 float ks Vignetting corrected exposure 0.5-2 keV
s210 float flux / 1e-14 Flux 2-10 keV
s_err210 float flux / 1e-14 Flux error 2-10 keV
cts_210 float   Net Counts 2-10 keV (2-8 keV)
cts_err_210 float   Net Counts error 2-10 keV (2-8 keV)
L_210 float   Detection Likelihood
bkg_cts_210 float cts/pix Background counts 2-10 keV (2-8 keV)
exptime_210 float ks Vignetting corrected exposure 2-10 keV
s510 float flux / 1e-14 Flux 5-10 keV
s_err510 float flux / 1e-14 Flux error 5-10 keV
cts_510 float   Net Counts 5-10 keV (4.5-10 keV)
cts_err_510 float   Net Counts error 5-10 keV (4.5-10 keV)
L_510 float   Detection Likelihood
bkg_cts_510 float cts/pix Background counts 5-10 keV (4.5-10 keV)
exptime_510 float ks Vignetting corrected exposure 5-10 keV