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Spectroscopic Observations of BF Cygni

Published online by Cambridge University Press:  25 April 2016

C. C. Huang  and
L. Chen
C. C. Huang
Affiliation:
Purple Mountain Observatory, Academia Sinica, 210 008 Nanjing, China
L. Chen
Affiliation:
Nanjing Astronomical Instrument Factory, Academia Sinica, 210 042 Nanjing, China
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Abstract

Spectroscopic observations of BF Cygni performed at the Haute-Provence Observatory in 1981 August, October and November are presented. The spectrum of BF Cyg was dominated by strong emission lines of H I, He I, [O III] and [Ne III]. Emission lines of He II and N III were weak. The spectrum of the star displayed dramatic variations during our observations. The intensities of Balmer lines, Balmer continuum and He I lines clearly increased from August to October, while the lines of [Ne III] and [O III] showed inverse variability.

Type
Galactic and Stellar
Information
Publications of the Astronomical Society of Australia , Volume 9 , Issue 2 , 1991 , pp. 293 - 294
Copyright
Copyright © Astronomical Society of Australia 1991

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