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[vsnet-campaign 580] RXJ1155.4-5641 outburst

RXJ1155.4-5641 outburst

  As reported by Rod Stubbings, the ROSAT-selected dwarf nova RX J1155.4-5641
is undergoing an outburst.  The last outburst (see below) was observed
in 2000 July.

  YYYYMMDD(UT)   mag  observer
  20001129.725  <130  (R. Stubbings)
  20001201.617  <140  (R. Stubbings)
  20001202.683  <140  (R. Stubbings)
  20001202.799   148  (A. Pearce)
  20001203.081  <140  (B. Monard)
  20001203.671   147  (R. Stubbings)
  20001203.808   147  (A. Pearce)
  20001207.801   147  (A. Pearce)
  20001209.708   120  (R. Stubbings)
  20001209.730   120  (R. Stubbings)

  [2000 July outburst]

> Subject: [vsnet-campaign 296] RXJ1155.4-5641: observation needed
> 
> RXJ1155.4-5641: observation needed
> 
>   As reported by Berto Monard (vsnet-alert 5062), the ROSAT-selected CV,
> RX J1155.4-5641 is undergoing a (possibly rare) outburst.  Please make
> observations as frequently as possible.  Time-resolved photometry is
> also recommended.
> 
>   [alert message repeated]
> 
> The suspected ROSAT CV, RX J1155.4-5641 has shown a sudden
> brightening.
> My observations of this object go back to Feb 1999 with intensified
> coverage (nightly target) since Jan 2000.
> I haven't reported observations of this suspected CV as it never
> reached elevated brightness levels, ie brighter than 14.2
> 
> Some recent visual observations:
> 
> RXJ1155.4-5641   000602.72   <144   MLF
> RXJ1155.4-5641   000604.81   <144   MLF
> RXJ1155.4-5641   000607.71    146:   MLF
> RXJ1155.4-5641   000622.70   <146   MLF
> RXJ1155.4-5641   000626.69   <140   MLF
> RXJ1155.4-5641   000701.71    144:   MLF
> RXJ1155.4-5641   000704.696   125   MLF
> patience pays....sometimes
> 
> Best regards,
> 
> Berto Monard
> Pretoria
> 
>   ===
> 
>   Position:
> 
> ## RXJ1155.4-5641
> USNO0300.14373754 115527.034 -564153.26 (2000.0) 14.0 13.6
> 115527.6 -564148 (2000.0) 1RXS_J115527.6-564149 0.860 0.53 0.29

Regards,
Taichi Kato
VSNET Collaboration team

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