[vsnet-obs 21950] New Takamizawa variable (TmzV476)

[Taichi Kato <tkato>]

New Takamizawa variable (TmzV476)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV476).

TmzV476
= GSC7130.158 081546.22 -342357.8 (2000.0) 13.32 0 N
= GSC7130.158 081546.24 -342357.9 (2000.0) 12.41 6
= USNO0525.06614869 081546.216 -342357.82 (2000.0) 11.1 13.0
= IRAS08138-3414 081350.9 -341442 (1950.0)
    F12=1.10  F25=0.58  F60=0.40L F100=10.96L
    VAR=31 LRS=-1
 possibly IIIa: variable star with more evolved O-rich c.s. shell
 or VIb: variable star with relatively hot dust close to
      the star and relatively cold dust at large distance
      may be O-rich
 or VII: variable star with more evolved C-rich circumstellar shell
= 081546.6 -342357 (2000.0) IRAS08138-3414 1.097 0.564 0.400L 10.840L 31%
= 081546.6 -342357 (2000.0) SSC08138-3414 1.097 0.564 0.400L 10.840L
= 081541.9 -342259 (2000.0) M5(III)(Buscombe) - - -

  Takamizawa's comment:

  The star may be a semiregular variable with a range of 12.4-13.7p.

object         YYMMDD(UT)   mag  code
TmzV476        941111.724  124p  Tmz.VSOLJ
TmzV476        950220.528  133p  Tmz.VSOLJ
TmzV476        951118.735  132p  Tmz.VSOLJ
TmzV476        951222.701  135p  Tmz.VSOLJ
TmzV476        960211.540  128p  Tmz.VSOLJ
TmzV476        961021.828  126p  Tmz.VSOLJ
TmzV476        970227.495  137p  Tmz.VSOLJ
TmzV476        971013.806  132p  Tmz.VSOLJ
TmzV476        971103.834  136p  Tmz.VSOLJ
TmzV476        971203.741  133p  Tmz.VSOLJ
TmzV476        971231.679  134p  Tmz.VSOLJ
TmzV476        980322.516  133p  Tmz.VSOLJ
TmzV476        981115.785  130p  Tmz.VSOLJ
TmzV476        990208.537  135p  Tmz.VSOLJ
TmzV476        990404.452  127p  Tmz.VSOLJ

Observer's code:
  Tmz: K.Takamizawa (Saku-machi,Nagano,Japan)
       Inst.: 10cmR F4 twin patrol cameras  T-Max400 120
       Comparison stars mag.:GSC

Relayed from Kesao Takamizawa <GHA07243@nifty.ne.jp>

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