A probable 3.0455-hr period in the outburst light curve of the recurrent nova V 404Cyg

Photometric observations of the nova V4O4Cyg have been performed during 1989 May–July, immediately following its recent outburst. Measurements in the R photometric band have revealed periodic variability superposed on the general decline in the brightness of the star by 3 mag during that interval. T...

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Bibliographic Details
Published in:Monthly notices of the Royal Astronomical Society 1991-05, Vol.250 (2), p.385-391
Main Authors: Leibowitz, Elia M., Ney, Adie, Drissen, Laurent, Grandchamps, Andre, Moffat, Anthony F. J.
Format: Article
Language:English
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Summary:Photometric observations of the nova V4O4Cyg have been performed during 1989 May–July, immediately following its recent outburst. Measurements in the R photometric band have revealed periodic variability superposed on the general decline in the brightness of the star by 3 mag during that interval. The amplitude of the cyclic variation decreased from 0.24 mag in May–June, to 0.06 mag in July. A period analysis of the data suggests that the photometric cycle has a period of 3.0455 hr. This may well be the orbital period of the V4O4Cyg binary system.
ISSN:0035-8711
1365-2966
DOI:10.1093/mnras/250.2.385