[vsnet-newvar 1253] New Takamizawa variable (TmzV891)

[Taichi Kato <tkato>]

New Takamizawa variable (TmzV891)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV891).

TmzV891
= GSC4054.1343 023324.02 +642501.7 (2000.0) 13.16 1
= USNO1500.02513611 023324.036 +642501.68 (2000.0) 11.6 16.3
= IRAS02294+6411 022925.0 +641146 (1950.0)
     F12=6.31  F25=4.36  F60=0.76  F100=2.75L
     VAR= 0 LRS=-1
     IIIa: variable star with more evolved O-rich c.s. shell
= 023323.8 +642457 (2000.0) IRAS02294+6411 6.490 4.424 0.772 2.830L 0%
= 023323.8 +642457 (2000.0) SSC02294+6411 6.490 4.424 0.772 2.830L

  Takamizawa's comment:

  The star may be a semiregular variable with a range of 13.3-14.1p.

Photographic magnitude estimates by VSOLJ members

object         YYYYMMDD(UT)   mag  code
TmzV891        19950127.432  140p  Tmz.VSOLJ
TmzV891        19960922.656  141p  Tmz.VSOLJ
TmzV891        19970613.737  133p  Tmz.VSOLJ
TmzV891        19980116.420  138p  Tmz.VSOLJ
TmzV891        19980629.693  140p  Tmz.VSOLJ
TmzV891        19991128.440  138p  Tmz.VSOLJ
TmzV891        20000902.687  135p  Tmz.VSOLJ
TmzV891        20011023.613  136p  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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