Astronomy and Astrophysics – Astronomy
Scientific paper
Jun 1977
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977sva....21..267m&link_type=abstract
(Astronomicheskii Zhurnal, vol. 54, May-June 1977, p. 474-476.) Soviet Astronomy, vol. 21, May-June 1977, p. 267, 268. Translati
Astronomy and Astrophysics
Astronomy
Infrared Astronomy, Near Infrared Radiation, Novae, Stellar Spectra, Cygnus Constellation, Emission Spectra, 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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