Astronomy and Astrophysics – Astrophysics
Scientific paper
Jan 1977
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977apj...211..184r&link_type=abstract
Astrophysical Journal, vol. 211, Jan. 1, 1977, pt. 1, p. 184-188. Research supported by the University of Toledo.
Astronomy and Astrophysics
Astrophysics
6
Emission Spectra, H Lines, Line Shape, Novae, Stellar Spectra, Astronomical Spectroscopy, Data Reduction, Light Curve
Scientific paper
Photographic spectrophotometric observations of Nova Cygni 1975 (V1500 Cygni) were obtained using a motor-driven plate holder to produce a continuous record of spectral variations with time resolution of 3-15 minutes. All hydrogen lines observed from 1975 September 7 to 11 show a broad emission feature consisting of four emission peaks. These observations indicate successive changes in the hydrogen emission features on time scales as short as 5 minutes, with most variations occurring more gradually. Changes are seen to be correlated among the hydrogen lines. It is argued that these observed variations occur in material which has been ejected by the nova. These variations appear to result from changes in the central star, instead of originating within the ejected material.
Reid Thompson W.
Rush William F.
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