The circumstellar envelope of Nova Delphini 1967

Details The circumstellar envelope of Nova Delphini 1967 The circumstellar envelope of Nova Delphini 1967

Apr 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978sval....4...95a&link_type=abstract

(Pis'ma v Astronomicheskii Zhurnal, vol. 4, Apr. 1978, p. 177-182.) Soviet Astronomy Letters, vol. 4, Mar.-Apr. 1978, p. 95-98.

Astronomy and Astrophysics

Astrophysics

5

Circumsolar Radiation, Novae, Stellar Envelopes, Stellar Mass Ejection, Astronomical Models, Astrophysics, Binary Stars, Chemical Composition, Emission Spectra, Line Spectra, Spectral Line Width, Velocity Distribution

Scientific paper

Analysis of published data shows that the expansion velocity of the envelope ejected by Nova Del 1967 (HR Del) has decreased with time. The change in the width of narrow emission lines is discussed. Both these effects can be understood if the nova is surrounded by an extended circumstellar envelope. Outbursts of ultraslow novae could be responsible for producing at least some planetary nebulae.

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