Extended light curves for Nova Cygni 1978

Details Extended light curves for Nova Cygni 1978 Extended light curves for Nova Cygni 1978

Feb 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986pasp...98..243k&link_type=abstract

Astronomical Society of the Pacific, Publications (ISSN 0004-6280), vol. 98, Feb. 1986, p. 243-245.

Astronomy and Astrophysics

Astronomy

4

Astronomical Photometry, Light Curve, Novae, Continuous Spectra, Cygnus Constellation, H Beta Line, Stellar Magnitude

Scientific paper

Differential magnitudes of Nova Cygni 1978 observed with a wide Hβ (w) filter are presented over a period of 829 days following the event, along with terminal values of Strömgren y. The y (continuum) and w (Hβ and [O III] emission + continuum) light curves rapidly separate, with w over four magnitudes brighter than y by day 311, by which time the star appears to have returned to minimum. The decay in the nebular radiation in magnitude vs. time is linear from at least day 432 onward, with an exponential decay time of 220 days. The data provide a constraint on theoretical models of the development of the star with its expanding nebula.

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