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

doi:10.1093/mnras/236.3.611

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 language	English
Pages (from-to)	611-619
Number of pages	9
Journal	Monthly Notices of the Royal Astronomical Society
Volume	236
Issue number	3
DOIs	https://doi.org/10.1093/mnras/236.3.611
Publication status	Published - 1989

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title = "The recurrent nova V394 Coronae Austrinae - The 1987 outburst",

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.",

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AU - Sekiguchi, K.

AU - Catchpole, R. M.

AU - Fairall, A. P.

AU - Feast, M. W.

AU - Kilkenny, D.

AU - Laney, C. D.

AU - Lloyd Evans, T.

AU - Marang, F.

AU - Parker, Q. A.

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AB - 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.

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The recurrent nova V394 Coronae Austrinae - The 1987 outburst

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