SIMBAD references

1998A&A...329..606D - Astronomy and Astrophysics, volume 329, 606-612 (1998/1-2)

Spectrophotometric follow-up of GU Mus, the (X-ray) Nova Muscae 1991.

DELLA VALLE M., MASETTI N. and BIANCHINI A.

Abstract (from CDS):

The spectrophotometric follow-up of the X-ray nova GU Mus (=GS 1124-68) is presented. We have analysed 128 B, V and R frames and 19 optical spectra, collected at ESO-La Silla, from the epoch of the discovery to January 1992. The optical lightcurve appears to be typical for a X-ray nova and exhibits secondary maxima in coincidence with the X-ray ones. The spectra show that Balmer and He II λ4686 emission lines and the N III λ4640 emission blend widen during the decline. A possible explanation of this behaviour is proposed and applied to the spectral evolution of other X-ray novae.

Abstract Copyright:

Journal keyword(s): accretion disks - stars: individual (GU Mus = GS 1124-68) - X-rays: stars

Simbad objects: 9

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