Photometric Oscillations at about 200 Days in the Symbiotic Variable PU Vulpeculae

Details Photometric Oscillations at about 200 Days in the Symbiotic Variable PU Vulpeculae Photometric Oscillations at about 200 Days in the Symbiotic Variable PU Vulpeculae

Mar 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000pasp..112..335y&link_type=abstract

The Publications of the Astronomical Society of the Pacific, Volume 112, Issue 769, pp. 335-342.

Astronomy and Astrophysics

Astronomy

5

Stars: Binaries: Symbiotic, Stars: Individual: Constellation Name: Pu Vulpeculae

Scientific paper

We show that as PU Vul fell to full quiescence in 1994, following a long outburst, the system developed well-defined 0.2 mag oscillations with a characteristic period of ~211 days. This quasi-periodicity is distinctly different from the behavior seen during late decline from outburst, where weaker photometric variations near 317, 227, and 120 days were seen. Suggested causes for this variation are discussed.

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