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Oxford University Press, Monthly Notices of the Royal Astronomical Society, 1(343), p. 313-314, 2003

DOI: 10.1046/j.1365-8711.2003.06666.x

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High-speed photometry of the Recurrent Nova IM Normae

Journal article published in 2003 by Patrick A. Woudt ORCID, Brian Warner
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

The recurrent nova IM Nor is found to have an orbital period of 2.462 h, shown by periodic dips in brightness. This is only the second recurrent nova known to have such a short period. We interpret the light curve as largely produced by a reflection effect from the heated face of the secondary star, probably with addition of a partial eclipse of the accretion disc.