SIMBAD references

1999MNRAS.303..101H - Mon. Not. R. Astron. Soc., 303, 101-106 (1999/February-2)

Hubble Space Telescope observations of the black hole X-ray transient GRO J0422+32 near quiescence.

HYNES R.I. and HASWELL C.A.

Abstract (from CDS):

We present HST/FOS ultraviolet and optical spectroscopy of the black hole X-ray transient GRO J0422+32 shortly before the system reached quiescence. We find that the accretion spectrum from 2500 to 9000 Å can be very well fitted by a self-absorbed synchrotron model, with superposed H I and Mg II emission lines. The explanations that we suggest for this spectrum are either that it is due to active coronal regions above a geometrically thin accretion disc, or that the disc is evaporated into an advective flow.

Abstract Copyright: 1999, Royal Astronomical Society

Journal keyword(s): accretion, accretion discs - binaries: close - stars: individual: GRO 0422+32 - ultraviolet: stars

Simbad objects: 4

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