[vsnet-alert 7245] Re: GZ Cnc outburst

[Michael Linnolt <linnolt@hawaii.edu>]

Confirmed outburst visually using 37cm reflector at 172x. Comps GSC
819.542 GSC 819.281

CNCGZ 20020312.4583 13.4 LMK

Mike Linnolt
Honolulu, HI

On Tue, 12 Mar 2002, Taichi Kato wrote:

> 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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