[vsnet-alert 7244] GZ Cnc outburst

[Taichi Kato <tkato@kusastro.kyoto-u.ac.jp>]

GZ Cnc outburst

   GZ Cnc = TmzV34 is undergoing a relatively rare outburst (the last
reported outburst being in 2000 December, by H. Itoh).

  YYYYMMDD(UT)   mag  observer
  20020104.799  <137  (Hitoshi Itoh)
  20020116.933  <137  (Pavol A. Dubovsky)
  20020118.948  <137  (Pavol A. Dubovsky)
  20020202.899  <137  (Pavol A. Dubovsky)
  20020203.873  <142  (Pavol A. Dubovsky)
  20020204.831  <142  (Pavol A. Dubovsky)
  20020205.860  <142  (Pavol A. Dubovsky)
  20020214.949  <144  (Pavol A. Dubovsky)
  20020215.903  <142  (Pavol A. Dubovsky)
  20020216.851  <142  (Pavol A. Dubovsky)
  20020308.942  <142  (Pavol A. Dubovsky)
  20020309.657  <137  (Hitoshi Itoh)
  20020310.908  <144  (Pavol A. Dubovsky)
  20020311.868   133  (Pavol A. Dubovsky)

  The object is also a ROSAT X-ray source:

GSC819.892 091551.69 +090049.9 (2000.0) 12.99 1
USNO0975.06284313 091551.768 +090050.92 (2000.0) 14.5 15.6
091551.6 +090047 (2000.0) RXJ0915.8+0900 CV 
091551.6 +090049 (2000.0) TmzV34 13.1 <15.0p L - - 
091552.2 +090055 (2000.0) 1RXS_J091552.3+090056 0.181 0.53 0.15
091551.7 +090049 (2000.0) CNCGZ UG 13.1 15.4 V - - - -

  Although past VSNET campaign in 2000 Feburary yielded rather little
short-term variation, further observations would be recommended.
(The slow rise during the 2000 February outburst rather suggest a
long-period system).

Regards,
Taichi Kato
VSNET Collaboration team

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