Spectroscopic studies of Nova V1500 Cygni. I - The 3 hour periodicity and the nebula

Details Spectroscopic studies of Nova V1500 Cygni. I - The 3 hour periodicity and the nebula Spectroscopic studies of Nova V1500 Cygni. I - The 3 hour periodicity and the nebula

Nov 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977apj...217..775h&link_type=abstract

Astrophysical Journal, Part 1, vol. 217, Nov. 1, 1977, p. 775-780.

Astronomy and Astrophysics

Astrophysics

22

Astronomical Models, Astronomical Spectroscopy, Nebulae, Novae, Periodic Variations, Variable Stars, Abundance, Astronomical Catalogs, Balmer Series, Emission Spectra, H Beta Line, Iron Isotopes, Line Spectra, Photometry, Stellar Envelopes

Scientific paper

The three-hour periodic variation in the nova V1500 Cyg is investigated in spectrograms obtained during the initial decline and up to 10 months after outburst. A searchlight-type model is proposed to explain the data, in contrast to the model of Campbell (1976). A model for the nebula is proposed from line-profile considerations and discussed in terms of short-period variations. The Fe II and H-beta lines show different behavior.

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