X-ray sources in M104 Virtual Observatory Resource

Authors
  1. Di Stefano R.
  2. Kong A.K.H.
  3. Vandalfsen M.L.
  4. Harris W.E.
  5. Murray S.S.,Delain K.M.
  6. Published by
    CDS
Abstract

We report on the population of point sources discovered during an 18.5ks Chandra ACIS-S observation of the Sombrero galaxy. We present the luminosity function and the spectra of the six brightest sources, consider correlations with globular clusters (GCs) and with planetary nebulae, and study the galaxy's population of very soft sources. We detected 122 sources. Twenty-two sources are identified as very soft; of these, five appear to be classical luminous supersoft X-ray sources (SSSs), while 17 may belong to the slightly harder class referred to as quasi-soft (QSSs). There is an overdensity of very soft sources within 2kpc of the nucleus, which is itself the brightest X-ray source. Very soft sources are also found in the disk and halo, with one QSS in a globular cluster (GC).

Keywords
  1. x-ray-sources
  2. globular-star-clusters
  3. x-ray-binary-stars
Bibliographic source Bibcode
2003ApJ...599.1067D
See also HTML
https://cdsarc.cds.unistra.fr/viz-bin/cat/J/ApJ/599/1067
IVOA Identifier IVOID
ivo://CDS.VizieR/J/ApJ/599/1067
Document Object Identifer DOI
doi:10.26093/cds/vizier.15991067

Access

Web browser access HTML
https://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/ApJ/599/1067
https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/ApJ/599/1067
http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/ApJ/599/1067
IVOA Table Access TAP
https://tapvizier.cds.unistra.fr/TAPVizieR/tap
Run SQL-like queries with TAP-enabled clients (e.g., TOPCAT).
IVOA Cone Search SCS
For use with a cone search client (e.g., TOPCAT).
https://vizier.cds.unistra.fr/viz-bin/conesearch/J/ApJ/599/1067/table1?
https://vizier.iucaa.in/viz-bin/conesearch/J/ApJ/599/1067/table1?
http://vizieridia.saao.ac.za/viz-bin/conesearch/J/ApJ/599/1067/table1?

History

2006-07-25T09:22:14Z
Resource record created
2006-07-25T09:22:14Z
Created
2006-07-25T09:24:38Z
Updated

Contact

Name
CDS support team
Postal Address
CDS, Observatoire de Strasbourg, 11 rue de l'Universite, F-67000 Strasbourg, France
E-Mail
cds-question@unistra.fr