The recurrent nova V394 Coronae Austrinae – the 1987 outburst
- 1 February 1989
- journal article
- research article
- Published by Oxford University Press (OUP) in Monthly Notices of the Royal Astronomical Society
- Vol. 236 (3) , 611-619
- https://doi.org/10.1093/mnras/236.3.611
Abstract
We report optical and infrared observations of the 1987 outburst of the recurrent nova V394 Coronae Austrinae. The amplitude of the outburst |$(\Delta V \simeq 11\enspace \text {mag})$| is comparable to that of classical novae. The fast optical decline rate (t3 = 5 day) and the gross spectral characteristics of V394 CrA closely resemble those of U Sco. Compared to U Sco, the broad emission bands (FWZI ∼ 8000 km s−1) in the early decline are slightly narrower, and the late optical decline and spectral development are slower. Implications for thermonuclear runaway models are mentioned.Keywords
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