Interstellar reddening and distance of Nova Cygni 1978

Details Interstellar reddening and distance of Nova Cygni 1978 Interstellar reddening and distance of Nova Cygni 1978

Jan 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979natur.277..114s&link_type=abstract

Nature, vol. 277, Jan. 11, 1979, p. 114-116.

Computer Science

9

Distance, Interstellar Extinction, Nova, Light Curve, Line Spectra, Potassium, Spectral Line Width, Stellar Luminosity, Stellar Magnitude

Scientific paper

Observations of Nova Cygni 1978 at 7699 A (a potassium line) are used to estimate the nova distance. The distance seems to be 3.3 plus or minus 0.6 kpc with a corresponding absolute visual magnitude at maximum light of approximately -7.5. The nova is classified as a fast galactic nova on the basis of its absolute magnitude at maximum light and the rate of decline towards minimum light. The color excess deduced from the observations is reported, application of the distance-reddening law to the nova is explained, and a composite light curve is presented.

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