Astronomy and Astrophysics – Astronomy
Scientific paper
Jun 1977
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977azh....54..474m&link_type=abstract
Astronomicheskii Zhurnal, vol. 54, May-June 1977, p. 474-476. In Russian.
Astronomy and Astrophysics
Astronomy
Near Infrared Radiation, Novae, Stellar Spectra, Cygnus Constellation, Emission Spectra, Infrared Astronomy, Line Spectra
Scientific paper
Results are reported for near-IR spectral observations of V1500 Cyg performed over the period from September 3 to November 11, 1975. A total of 52 spectrograms covering the wavelength range from 6700 to 11,000 A were obtained with dispersions of 168 and 48 A/mm. Identified lines include H-alpha; N I at 7468, 8216, and 8680 A; O I at 7774 and 8446 A; C I at 9095 and 9406 A; He I at 10,830 A; and the Paschen series of hydrogen. Temporal variations in the profiles of the O I line at 8446 A and the He I line at 10,830 A are discussed and compared. It is noted that the IR emission-line profiles obtained for the nova do not contradict the shell model developed on the basis of the visible emission-line spectrum.
Malanushenko V. M.
Shanin G. I.
Shcherbakov A. G.
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