Journal
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
Volume 328, Issue 1, Pages 159-166Publisher
BLACKWELL SCIENCE LTD
DOI: 10.1046/j.1365-8711.2001.04857.x
Keywords
techniques : photometric; binaries : close; binaries : eclipsing; novae, cataclysmic variables
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The first results of a photometric survey of faint cataclysmic variables are presented. V359 Cen is an SU UMa star with a period of 112 min. Even though it is observed at quiescence, the mass-transfer rate in this old nova may be sufficiently high that in such a short period system (with its implied small mass ratio) the disc may be excited into an elliptical shape with the result that the observed brightness modulation gives a superhump period rather than an orbital period. XZ Eri is an eclipsing dwarf nova with an orbital period (P-orb) of 88.1 min. HY Lup has only slight variability. V351 Pup, the remnant of Nova Puppis 1991, has P-orb = 2.837 h and a light curve that strongly resembles that of the magnetic Nova Cyg 1975. V630 Sgr is the first nova remnant that has both positive superhumps (P-sh = 2.980 h) and eclipses (P-orb = 2.831 h). The YY Tel identification is somewhat uncertain. The correct identification for CQ Vel is provided from discovery of its flickering activity. The light curve of CE-315, a recently discovered AM CVn star, shows similarities to that of GP Com, with no apparent orbital modulation.
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