Extremely slow nova PU Vulpeculae - Seven fat years after maximum

Details Extremely slow nova PU Vulpeculae - Seven fat years after maximum Extremely slow nova PU Vulpeculae - Seven fat years after maximum

Mar 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987ap%26ss.131..487c&link_type=abstract

(IAU, Colloquium on Cataclysmic Variables. Recent Multi-Frequency Observations and Theoretical Developments, 93rd, Bamberg, West

Astronomy and Astrophysics

Astrophysics

7

Cataclysmic Variables, Novae, Stellar Mass Accretion, Stellar Mass Ejection, Stellar Spectrophotometry, Symbiotic Stars, Dwarf Stars, F Stars, Giant Stars, M Stars, Radial Velocity, Supergiant Stars

Scientific paper

Recent UBV photometry and spectroscopy of the symbiotic nova PU Vul support the scenario of a thermonuclear runaway event, where the system consists of a mass-losing M-giant massive component and a C-O dwarf accreting hydrogen-rich matter; these give the outward appearance of an F-supergiant. No radial velocity changes were observed in the course of the photometric minimum in 1980, excluding the possibility of its being explained by an eclipse of the F supergiant by the M giant. It is also noted that photometric bluing occurred during the time of the most negative radial velocities.

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