Broadband infrared photometry of Nova Cygni 1975 = V 1500 CYG

Details Broadband infrared photometry of Nova Cygni 1975 = V 1500 CYG Broadband infrared photometry of Nova Cygni 1975 = V 1500 CYG

Jun 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977azh....54..629s&link_type=abstract

Astronomicheskii Zhurnal, vol. 54, May-June 1977, p. 629-634. In Russian.

Astronomy and Astrophysics

Astronomy

Infrared Astronomy, Infrared Photometry, Novae, Stellar Spectrophotometry, Broadband, Electron Density (Concentration), Light Curve, Stellar Luminosity

Scientific paper

Results are presented for JKLMN photometry of Nova Cygni 1975 performed in the period from August 29, 1975, through June 1976. Data analysis yields a shell radius of about 800 solar radii at maximum light, an absolute magnitude of -10.2, a distance of 1.1 to 1.2 kpc, a shell mass of 0.00001 to 0.00005 solar mass, and an electron density of the order of 10 billion per cu cm. Hypotheses are considered concerning the nature of the 5-micron IR excess and the nova's lack of a dust shell. Spectra obtained in the region from 0.6 to 2.5 microns near maximum light are provided which show the rapid development of strong emission.

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