HMXBs in nearby galaxies Virtual Observatory Resource

Authors
  1. Mineo S.
  2. Gilfanov M.
  3. Sunyaev R.
  4. Published by
    CDS
Abstract

Based on a homogeneous set of X-ray, infrared and ultraviolet observations from Chandra, Spitzer, GALEX and 2MASS archives, we study populations of high-mass X-ray binaries (HMXBs) in a sample of 29 nearby star-forming galaxies and their relation with the star formation rate (SFR). In agreement with previous results, we find that HMXBs are a good tracer of the recent star formation activity in the host galaxy and their collective luminosity and number scale with the SFR, in particular, LX~~2.6x10^39^SFR. However, the scaling relations still bear a rather large dispersion of rms~0.4dex, which we believe is of a physical origin. We present the catalog of 1057 X-ray sources detected within the D25 ellipse for galaxies of our sample and construct the average X-ray luminosity function (XLF) of HMXBs with substantially improved statistical accuracy and better control of systematic effects than achieved in previous studies. The XLF follows a power law with slope of 1.6 in the log(LX)~35-40 luminosity range with a moderately significant evidence for a break or cut-off at LX~10^40^erg/s. As before, we did not find any features at the Eddington limit for a neutron star or a stellar mass black hole. We discuss implications of our results for the theory of binary evolution. In particular we estimate the fraction of compact objects that once upon their lifetime experienced an X-ray active phase powered by accretion from a high mass companion and obtain a rather large number, fX~0.2x(0.1Myr/{tau}x) ({tau}x is the life time of the X-ray active phase). This is about 4 orders of magnitude more frequent than in LMXBs. We also derive constrains on the mass distribution of the secondary star in HMXBs.

Keywords
  1. x-ray-binary-stars
  2. galaxies
Bibliographic source Bibcode
2012MNRAS.419.2095M
See also HTML
https://cdsarc.cds.unistra.fr/viz-bin/cat/J/MNRAS/419/2095
IVOA Identifier IVOID
ivo://CDS.VizieR/J/MNRAS/419/2095
Document Object Identifer DOI
doi:10.26093/cds/vizier.74192095

Access

Web browser access HTML
https://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/MNRAS/419/2095
https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/MNRAS/419/2095
http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/MNRAS/419/2095
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/MNRAS/419/2095/hmxb?
https://vizier.iucaa.in/viz-bin/conesearch/J/MNRAS/419/2095/hmxb?
http://vizieridia.saao.ac.za/viz-bin/conesearch/J/MNRAS/419/2095/hmxb?

History

2012-01-05T17:41:28Z
Resource record created
2012-01-05T17:41:28Z
Created
2024-07-16T20:12:15Z
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