SIMBAD references

2008MNRAS.388.1751M - Mon. Not. R. Astron. Soc., 388, 1751-1758 (2008/August-3)

Zooming in on a sleeping giant: milliarcsecond High Sensitivity Array imaging of the black hole binary V404 Cyg in quiescence.

MILLER-JONES J.C.A., GALLO E., RUPEN M.P., MIODUSZEWSKI A.J., BRISKEN W., FENDER R.P., JONKER P.G. and MACCARONE T.J.

Abstract (from CDS):

Observations of the black hole X-ray binary V404 Cyg with the very long baseline interferometer the High Sensitivity Array (HSA) have detected the source at a frequency of 8.4GHz, providing a source position accurate to 0.3mas relative to the calibrator source. The observations put an upper limit of 1.3mas on the source size (5.2au at 4kpc) and a lower limit of 7 x106 K on its brightness temperature during the normal quiescent state, implying that the radio emission must be non-thermal, most probably synchrotron radiation, possibly from a jet. The radio light curves show a short flare, with a rise time of ∼30min, confirming that the source remains active in the quiescent state.

Abstract Copyright: © 2008 The Authors. Journal compilation © 2008 RAS

Journal keyword(s): astrometry - stars: individual: V404 Cyg - ISM: jets and outflows - radio continuum: stars - X-rays: binaries

Simbad objects: 17

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2020.02.19-20:01:20

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