Spectral and timing studies of a sample of hyperluminous X-ray sources

Details Spectral and timing studies of a sample of hyperluminous X-ray sources Spectral and timing studies of a sample of hyperluminous X-ray sources

Oct 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010xmm..prop....3l&link_type=abstract

XMM-Newton Proposal ID #06700405

Physics

White Dwarf Binaries, Neutron Star Binaries, Cataclysmic Variables, Ulxs, Black Holes, J075526.1+39111, J153118.2+07271

Scientific paper

Hyperluminous X-ray sources (HLXs) with X-ray luminosities above 1e42 erg/s are very likely the long-sought intermediate-mass black holes (IMBHs) of 1e2- 1e5 solar masses, as demonstrated by the recent intensive studies of HLX-1 (Farrell et al. 2009), the only HLX known so far. To better study the HLX/IMBH populations, we have searched for new HLXs across the whole sky with the ROSAT All Sky Survey (RASS), yielding a sample of 10 new HLXs. Here we request 150 ks to observe five HLXs with XMM/EPIC to determine the fine spectral features and associated accretion states, and to study the correlated spectral and timing properties in hope to estimate the black hole masses.

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