Spectrographic observations of Nova Cygni 1975

Details Spectrographic observations of Nova Cygni 1975 Spectrographic observations of Nova Cygni 1975

Jun 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978acasn..19...93l&link_type=abstract

Acta Astronomica Sinica, vol. 19, June 1978, p. 93-102. In Chinese, with abstract in English.

Astronomy and Astrophysics

Astronomy

Absorption Spectra, Astronomical Spectroscopy, Hydrogen Clouds, Iron, Novae, Abundance, Light Curve, Stellar Spectrophotometry

Scientific paper

Spectroscopic observations of Nova Cygni 1975 from August 30, 1975 to January 24, 1976 are reported. Broad H I and Fe II emission were the main features of the spectrum during the period shortly after maximum brightness, and forbidden Fe VII emission visible on October 9 indicate a rather high degree of ionization. The expansion velocity determined from the absorption spectrum was 2000 km/s during August 31-September 3. The absolute visual magnitude of the nova at maximum light is calculated to be -10.0.

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