Photometry and spectroscopy of a newly discovered polar - Nova Cygni 1975 (V1500 CYG)

Details Photometry and spectroscopy of a newly discovered polar - Nova Cygni 1975 (V1500 CYG) Photometry and spectroscopy of a newly discovered polar - Nova Cygni 1975 (V1500 CYG)

Sep 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988apj...332..287k&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 332, Sept. 1, 1988, p. 287-292. Research supported by the Harvard-Smithsoni

Physics

Optics

25

Binary Stars, Charge Coupled Devices, Magnetic Stars, Novae, Stellar Spectrophotometry, White Dwarf Stars, Cassegrain Optics, Cygnus Constellation, Line Spectra, Optical Thickness

Scientific paper

The authors report photometric and spectroscopic observations which led to the conclusion that Nova Cygni 1975 (V1500 Cyg) is a polar (of AM Her-type). With CCD photometry the authors confirm the constancy of the photometric period which is again interpreted as an orbital cycle. Time-resolved MMT spectra are used to reconstruct, under several assumptions, the basic system parameters: M1=0.9 M_sun;, M2=0.31 M_sun;. The secondary is strongly illuminated in the vicinity of L1, and matter is probably accreting onto the two magnetic poles of the primary.

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