Optical observations of GS2000+25

Details Optical observations of GS2000+25 Optical observations of GS2000+25

Nov 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989esasp.296..331c&link_type=abstract

In ESA, The 23rd ESLAB Symposium on Two Topics in X Ray Astronomy. Volume 1: X Ray Binaries p 331-333 (SEE N90-25711 19-89)

Astronomy and Astrophysics

Astronomy

2

Light (Visible Radiation), Light Curve, X Ray Sources, X Ray Telescopes, Novae, Radiant Flux Density, Stellar Radiation, Time Measurement, Variability, X Ray Binaries

Scientific paper

The preliminary results of a campaign to study the optical counterpart of the X-ray nova GS2000+25 in quiescence, using the Isaac Newton Telescope on La Palma (Canary Islands) are presented. Evidence for short term variability in quiescence on a time scale of hours or less is found. No evidence for the approximately 7 hour period is detected. The variability observed may be consistent with ellipsoidal variations of the secondary.

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