[vsnet-obs 20240] New Takamizawa variable (TmzV341)

[Taichi Kato <tkato>]

New Takamizawa variable (TmzV341)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV341).

TmzV341
= GSC6537.1593 072009.62 -240141.1 (2000.0) 12.64 0
= USNO0600.03290708 072009.612 -240140.99 (2000.0) 12.9 13.3

=? IRAS07180-2356 0777771800.9 -235642 (1950.0)
    F12=1.20  F25=4.78  F60=19.05  F100=63.08 
    VAR=39 LRS=-1
    VIII: different sort of object
=? 072006.6 -240220     (2000.0) IRAS07180-2356 1.234 4.980 19.340 63.030 39%
=? 072006.6 -240220     (2000.0) SSC07180-2356 1.234 4.980 19.340 63.030

  (IRAS position slightly offset)

  Takamizawa's comment:

  The star may be an irregular variable with a range of 12.5-13.0p.

Photographic magnitude estimates by VSOLJ members

object         YYMMDD(UT)   mag  code
TmzV341        940314.501  129p  Tmz.VSOLJ
TmzV341        941111.731  126p  Tmz.VSOLJ
TmzV341        950203.546  127p  Tmz.VSOLJ
TmzV341        950927.799  129p  Tmz.VSOLJ
TmzV341        951118.744  127p  Tmz.VSOLJ
TmzV341        951222.685  127p  Tmz.VSOLJ
TmzV341        961021.768  130p  Tmz.VSOLJ
TmzV341        961206.707  128p  Tmz.VSOLJ
TmzV341        970103.622  128p  Tmz.VSOLJ
TmzV341        970227.485  128p  Tmz.VSOLJ
TmzV341        971013.798  130p  Tmz.VSOLJ
TmzV341        971103.802  127p  Tmz.VSOLJ
TmzV341        971204.695  128p  Tmz.VSOLJ
TmzV341        971224.633  129p  Tmz.VSOLJ
TmzV341        980121.549  129p  Tmz.VSOLJ
TmzV341        980217.497  127p  Tmz.VSOLJ
TmzV341        980325.453  127p  Tmz.VSOLJ
TmzV341        981115.737  125p  Tmz.VSOLJ
TmzV341        981212.628  125p  Tmz.VSOLJ
TmzV341        990208.557  127p  Tmz.VSOLJ
TmzV341        990404.438  126p  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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