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[vsnet-newvar 1137] New Takamizawa variable (TmzV826)

New Takamizawa variable (TmzV826)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV826).

TmzV826
= GSC7470.579 205103.66 -360118.3 (2000.0) 12.58 0
= USNO0525.35413350 205103.660 -360118.28 (2000.0)  9.9 11.8
= IRAS20478-3612 204753.6 -361235 (1950.0)
     F12=1.10  F25=0.28L F60=0.40L F100=1.00L
     VAR=-1 LRS=-1
  possibly I: oxygen-rich non-variable star without circumstellar shell
  or VIa: non-variable star with relatively cold dust at large
       distance, may be carbon-rich
= 205101.1 -360135 (2000.0) CD-36.14433 10.0
= 205102.7 -360120 (2000.0) FSC20478-3612 1.066 0.234 0.213L 0.706L
= 205103.2 -360119 (2000.0) IRAS20478-3612 1.112 0.271L 0.400L 1.000L -1%
= 205103.2 -360119 (2000.0) SSC20478-3612 1.112 0.271L 0.400L 1.000L

  Takamizawa's comment:

  The star may be a semiregular variable  with a range of 10.9-11.9p.

Photographic magnitude estimates by VSOLJ members

object         YYYYMMDD(UT)   mag  code
TmzV826        19940810.644  110p  Tmz.VSOLJ
TmzV826        19950921.518  111p  Tmz.VSOLJ
TmzV826        19950921.522  111p  Tmz.VSOLJ
TmzV826        19960815.559  119p  Tmz.VSOLJ
TmzV826        19960815.562  119p  Tmz.VSOLJ
TmzV826        19970706.698  113p  Tmz.VSOLJ
TmzV826        20011013.435  109p  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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