[vsnet-newvar 1177] New Takamizawa variable (TmzV860)

[Taichi Kato <tkato>]

New Takamizawa variable (TmzV860)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV860).

TmzV860
= GSC3687.1576 023124.44 +531705.4 (2000.0) 12.99 1
= USNO1425.03600831 023124.412 +531705.37 (2000.0) 11.6 16.2
= IRAS02279+5303 022756.7 +530348 (1950.0)
     F12=3.98  F25=1.90  F60=0.36  F100=1.00L
     VAR=12 LRS=-1
     II: variable star with 'young' O-rich circumstellar shell
= 023124.5 +531703 (2000.0) IRAS02279+5303 4.072 1.907 0.349 1.021L 12%
= 023124.5 +531703 (2000.0) SSC02279+5303 4.072 1.907 0.349 1.021L

  Takamizawa's comment:

  The star may be a semiregular variable with a range of 13.0-13.7p.

Photographic magnitude estimates by VSOLJ members

object         YYYYMMDD(UT)   mag  code
TmzV860        19950127.424  137p  Tmz.VSOLJ
TmzV860        19960922.666  130p  Tmz.VSOLJ
TmzV860        19970613.728  130p  Tmz.VSOLJ
TmzV860        19980116.413  136p  Tmz.VSOLJ
TmzV860        19980629.701  134p  Tmz.VSOLJ
TmzV860        19991128.448  135p  Tmz.VSOLJ
TmzV860        20000902.678  136p  Tmz.VSOLJ
TmzV860        20011023.605  133p  Tmz.VSOLJ

Observer's code:
  Tmz: K.Takamizawa (Saku-machi,Nagano,Japan)
       SASS (Saku All Sky Survey)
       Inst.: 10cmR F4 twin patrol cameras and 25cm F2.8
       Baker-Schmidt camera T-Max400 120
       Comparison stars mag.:GSC

Relayed from Kesao Takamizawa <k-takamizawa@nifty.ne.jp>

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