1998A&A...329..606D


Query : 1998A&A...329..606D

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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Number of rows : 9
N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2021
#notes
1 V* V518 Per HXB 04 21 42.7231318463 +32 54 26.936934166 13.00 13.50 13.2     M4.5V 628 1
2 1A 0620-00 HXB 06 22 44.5420315454 -00 20 44.289428950 10.60 11.40 11.2     K3V-K7V 1055 0
3 V* MM Vel HXB 10 13 36.4107940553 -45 04 32.555813596   14.84 14.71     G5V-M0V 187 0
4 V* GU Mus HXB 11 26 26.5947467816 -68 40 32.888148788           K3V-K7V 681 1
5 V* V1033 Sco HXB 16 54 00.137 -39 50 44.90   15.20 14.2 16.14   F5IV 1759 1
6 V* V2107 Oph HXB 17 08 14.520 -25 05 30.15   16.50 15.9     K3V-K7V 213 1
7 V* V2293 Oph LXB 17 19 36.930 -25 01 03.43   17.55 16.65     ~ 158 0
8 V* QZ Vul HXB 20 02 49.58 +25 14 11.3   19.64 18.2     K3V-K6V 401 0
9 V* V404 Cyg HXB 20 24 03.820 +33 52 01.90 14.50 14.20 12.7     K0IV 1136 0

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2021.07.31-09:47:35

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