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[vsnet-alert 7733] OU Vir outburst!



OU Vir outburst!

   The eclipsing SU UMa-type dwarf nova OU Vir = LBQS 1432-0033 is reported
to be in outburst.  The literature position of the object is
14:35:00.14 -00:46:07.0 (J2000.0).

  YYYYMMDD(UT)   mag  observer
  20030423.229  <147  (Mike Simonsen)
  20030424.596  <148  (Rod Stubbings)
  20030425.599  <149  (Rod Stubbings)
  20030427.522  <149  (Rod Stubbings)
  20030428.203  <147  (Mike Simonsen)
  20030428.569  <150  (Rod Stubbings)
  20030429.453  <149  (Rod Stubbings)
  20030502.603  <149  (Rod Stubbings)
  20030503.276  <148  (Mike Simonsen)
  20030504.145   150: (Mike Simonsen) vsnet-obs 44948
  20030504.532   150  (Rod Stubbings) vsnet-outburst 5485

   Although current outburst may be a normal outburst, follow-up time-resolved
photometry (to record both eclipses and potential superhumps) is strongly
encouraged.

   OU Vir is reported to have superhump and orbital periods of 0.078 and
0.073 d (Vanumunster et al. 2000, IBVS 4955; Mason et al. 2002 A&A 396,
633), but the exact periods have not yet been determined to a higher
precision.  Any kinds of observation will certainly improve our knowledge
in this rare eclipsing SU UMa-type star.

   The following VSNET pages on related objects will be useful in planning
your observations:

   heep://www.kusastro.kyoto-u.ac.jp/vsnet/DNe/xzeri.html
   heep://www.kusastro.kyoto-u.ac.jp/vsnet/DNe/dvuma9912.html
   heep://www.kusastro.kyoto-u.ac.jp/vsnet/DNe/tmzv85.html
   heep://www.kusastro.kyoto-u.ac.jp/vsnet/DNe/htcas.html

Regards,
Taichi Kato
VSNET Collaboration team


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