[vsnet-newvar 1108] New Takamizawa variable (TmzV804)

[Taichi Kato <tkato>]

New Takamizawa variable (TmzV804)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV804).

TmzV804
= GSC6945.1103 211445.40 -275841.4 (2000.0) 13.65 0
= 2MASS 211445.483 -275841.96 (2000.0)  8.305  7.487  6.824
= IRAS21117-2811 211147.7 -281115 (1950.0)
     F12=0.63  F25=0.40L F60=0.40L F100=1.20L
     VAR=-1 LRS=-1
= 211445.0 -275846 (2000.0) IRAS21117-2811 0.648 0.394L 0.400L 1.174L -1%
= 211445.0 -275846 (2000.0) SSC21117-2811 0.648 0.394L 0.400L 1.174L
= 211446.6 -275836 (2000.0) FSC21118-2811 0.522 0.295 0.139L 0.703L

  Takamizawa's comment:

  The star may be a Mira-type variable  with a range of 12.9-<14.7p.

Photographic magnitude estimates by VSOLJ members

object         YYYYMMDD(UT)   mag  code
TmzV804        19940705.622  <147p  Tmz.VSOLJ
TmzV804        19940803.601  <147p  Tmz.VSOLJ
TmzV804        19940930.551  132p  Tmz.VSOLJ
TmzV804        19941124.449  <132p  Tmz.VSOLJ
TmzV804        19950723.670  129p  Tmz.VSOLJ
TmzV804        19951020.456  <147p  Tmz.VSOLJ
TmzV804        19960721.663  <147p  Tmz.VSOLJ
TmzV804        19970709.631  142p  Tmz.VSOLJ
TmzV804        19970828.578  <147p  Tmz.VSOLJ
TmzV804        19991029.464  <147p  Tmz.VSOLJ
TmzV804        20011013.458  <147p  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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