[vsnet-newvar 1302] New Takamizawa variable (TmzV907)

[Taichi Kato <tkato>]

New Takamizawa variable (TmzV907)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV907).

TmzV907
= GSC4039.1075 014008.33 +645150.4 (2000.0) 12.96 1
= USNO1500.01711964 014008.273 +645149.90 (2000.0) 11.3 16.4
= IRAS01365+6436 013635.9 +643639 (1950.0)
     F12=0.76  F25=0.44  F60=0.44L F100=12.02L
     VAR=73 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
= 014008.2 +645151 (2000.0) CS245 - 12.6 10.5 -
= 014008.4 +645150 (2000.0) IRAS01365+6436 0.781 0.435 0.420L 12.580L 73%
= 014008.4 +645150 (2000.0) SSC01365+6436 0.781 0.435 0.420L 12.580L
= 014008.5 +645150 (2000.0) MSX5C_G128.0769+02.4799 -33 -18 1 -3 -1 -5 V(%):-:-:3:-:-:-

  Takamizawa's comment:

  The star may be a semiregular variable with a range of 13.0-14.4p.

Photographic magnitude estimates by VSOLJ members

object         YYYYMMDD(UT)   mag  code
TmzV907        19950127.432  139p  Tmz.VSOLJ
TmzV907        19960922.656  137p  Tmz.VSOLJ
TmzV907        19970613.737  139p  Tmz.VSOLJ
TmzV907        19980116.420  144p  Tmz.VSOLJ
TmzV907        19980629.693  134p  Tmz.VSOLJ
TmzV907        19991128.440  130p  Tmz.VSOLJ
TmzV907        20000902.687  133p  Tmz.VSOLJ
TmzV907        20011023.613  140p  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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