SIMBAD references

2010ApJ...718....1G - Astrophys. J., 718, 1-10 (2010/July-3)

Spitzer observations of black hole low-mass X-ray binaries: assessing the non-stellar infrared component.


Abstract (from CDS):

We have combined ground-based optical and near-infrared data with Spitzer Space Telescope mid-infrared data for five black hole (BH) soft X-ray transients (SXTs) in order to determine the levels of near- and mid-infrared emission from sources other than the secondary star. Mid-infrared emission from an accretion disk, circumbinary dust, and/or a jet could act as sources of near-infrared contamination, thereby diluting ellipsoidal variations of the secondary star and affecting determined BH mass estimates. Based on optical to mid-infrared spectral energy distribution modeling of the five SXTs along with the prototype, V616 Mon, we detected mid-infrared excesses in half of the systems, and suggest that the excesses detected from these systems arise from non-thermal synchrotron jets rather than circumbinary dust disks.

Abstract Copyright:

Journal keyword(s): accretion, accretion disks - binaries: close - binaries: symbiotic - infrared: stars - stars: late-type - X-rays: binaries

CDS comments: GRO J1655-50 is a misprint for GRO J1655-40.

Simbad objects: 13

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