SIMBAD references

1997A&A...328..269S - Astronomy and Astrophysics, volume 328, 269-273 (1997/12-1)

Photometric variability of the SMC W-R binary HD 5980.


Abstract (from CDS):

We present the results of a photometric monitoring campaign of the W-R binary HD 5980 conducted in November-December 1995, 16 months after the LBV-like outburst of one of the components of the system. On the basis of almost 800 y-band measurements, an improved orbital ephemeris is derived. We also report the discovery of a coherent 6h periodic oscillation visible in the Stroemgren b and y bands with amplitudes ∼0.025mag . This short period may be related to pulsations of the primary or secondary component.

Abstract Copyright:

Journal keyword(s): binaries: eclipsing - stars: oscillations - stars: Wolf-Rayet - stars: individual: HD 5980

Simbad objects: 8

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