The spectral development of Nova Cygni 1975

Details The spectral development of Nova Cygni 1975 The spectral development of Nova Cygni 1975

Aug 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977apj...216...23s&link_type=abstract

Astrophysical Journal, Part 1, vol. 216, Aug. 15, 1977, p. 23-32. NSF-NASA-supported research.

Astronomy and Astrophysics

Astrophysics

53

Fluorescence, Near Infrared Radiation, Novae, Oxygen Spectra, Stellar Spectra, H Alpha Line, Infrared Spectra, Lyman Beta Radiation, Optical Thickness, Stellar Mass Ejection, Stellar Models

Scientific paper

Optical and near-infrared (0.3-2.5 microns) observations of Nova Cygni 1975 made during the period from August 30 to December 11, 1975, are reported. The persistent strength of O I at 8446 and 11,287 A is shown to be due to L-beta fluorescence in clouds with high (greater than 1000) H-alpha optical depth. A simple model of the nova ejecta is presented and shown to be consistent with the observed evolution of the nova spectrum.

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