SIMBAD references

2010MNRAS.409..839C - Mon. Not. R. Astron. Soc., 409, 839-845 (2010/December-1)

Limits on the quiescent radio emission from the black hole binaries GRO J1655-40 and XTE J1550-564.

CALVELO D.E., FENDER R.P., RUSSELL D.M., GALLO E., CORBEL S., TZIOUMIS A.K., BELL M.E., LEWIS F. and MACCARONE T.J.

Abstract (from CDS):

We present the results of radio observations of the black hole binaries GRO J1655-40 and XTE J1550-564 in quiescence, with the upgraded Australia Telescope Compact Array. Neither system was detected. Radio flux density upper limits (3σ) of 26 µJy (at 5.5 GHz), 47 µJy (at 9 GHz) for GRO J1655-40 and 1.4 mJy (at 1.75 GHz), 27 µJy (at 5.5 GHz), 47 µJy (at 9 GHz) for XTE J1550-564 were measured. In conjunction with quasi-simultaneous Chandra X-ray observations (in the case of GRO J1655-40) and Faulkes Telescope optical observations (XTE J1550-564) we find that these systems provide the first evidence of relatively `radio-quiet' black hole binaries at low luminosities, indicating that the scatter observed in the hard state X-ray-radio correlation at higher luminosities may also extend towards quiescent levels.

Abstract Copyright: © 2010 The Authors. Journal compilation © 2010 RAS

Journal keyword(s): black hole physics - binaries: close - stars: individual: XTE J1550-564 - stars: individual: GRO J1655-40 - ISM: jets and outflows - X-rays: binaries

Simbad objects: 24

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