[vsnet-alert 10874] OT_J071126.0+440405: period and eclipses

Taichi Kato tkato at kusastro.kyoto-u.ac.jp
Sat Jan 3 12:01:37 JST 2009


OT_J071126.0+440405: period and eclipses

   We have received time-resolved photometry from Nakajima-san and
Arto Oksanen (some of the observation was simultaneously takan).
All the observations showed sharply defined eclipses and a single
hump per orbit.  The period determined from the two nights' baseline
is 0.081378(9) d.  The mean depth of the eclipse was about 3 mag;
the bottom of the eclipses were not flat but with gradual fading
particularly in the first half of the eclipses.  The accretion stream
appears to be gradually eclipsed after the ingress of the white dwarf.


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