The recurrent nova V394 Coronae Austrinae - The 1987 outburst

K. Sekiguchi, R. M. Catchpole, A. P. Fairall, M. W. Feast, D. Kilkenny, C. D. Laney, T. Lloyd Evans, F. Marang, Q. A. Parker

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Abstract

We report optical and infrared observations of the 1987 outburst of the recurrent nova V394 Coronae Austrinae. The amplitude of the outburst (ΔV ≃ 11 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.

Original languageEnglish
Pages (from-to)611-619
Number of pages9
JournalMonthly Notices of the Royal Astronomical Society
Volume236
Issue number3
DOIs
Publication statusPublished - 1989

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    Sekiguchi, K., Catchpole, R. M., Fairall, A. P., Feast, M. W., Kilkenny, D., Laney, C. D., ... Parker, Q. A. (1989). The recurrent nova V394 Coronae Austrinae - The 1987 outburst. Monthly Notices of the Royal Astronomical Society, 236(3), 611-619. https://doi.org/10.1093/mnras/236.3.611