1999MNRAS.303..101H


Query : 1999MNRAS.303..101H

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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Number of rows : 4
N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026
#notes
1 BD+61 195 PM* 01 02 38.8680626986 +62 20 42.175257431   11.439   8.7   M1.5V 285 0
2 V* V518 Per HXB 04 21 42.7227473352 +32 54 26.939156184           M4.5V 670 0
3 1A 0620-00 HXB 06 22 44.5423857312 -00 20 44.290460544           K3V-K7V 1144 0
4 V* V1033 Sco HXB 16 54 00.1423963019 -39 50 44.761701340       16.14   F3-6IV 1980 0

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