[vsnet-obs 21768] New Takamizawa variable (TmzV440)

[Taichi Kato <tkato>]

New Takamizawa variable (TmzV440)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV440).

TmzV440
= GSC7123.1429 075427.79 -322058.1 (2000.0) 13.25 0 N
= GSC7123.1429 075427.80 -322059.2 (2000.0) 13.02 0
= GSC7123.2239 075427.85 -322057.8 (2000.0) 10.40 6
= USNO0525.05480393 075427.856 -322057.84 (2000.0) 10.4 99.9
= IRAS07525-3213 075231.1 -321302 (1950.0)
    F12=3.31  F25=1.20  F60=0.40L F100=3.63L
    VAR=26 LRS=-1
 possibly II: variable star with 'young' O-rich circumstellar shell
 or VII: variable star with more evolved C-rich circumstellar shell
= 075427.5 -322056 (2000.0) UBV_CCS947 11.00 3.49 - - - - C6,3 N=1 Nm=1 -
= 075427.6 -322055 (2000.0) CS1941 13.3 10.1 7.2 -
= 075427.6 -322058 (2000.0) IRAS07525-3213 3.455 1.181 0.400L 3.533L 26%
= 075427.6 -322058 (2000.0) SSC07525-3213 3.455 1.181 0.400L 3.533L

  Takamizawa's comment:

  The star may be a semiregular variable with a range of 10.9-12.0p.

object         YYMMDD(UT)   mag  code
TmzV440        941111.724  110p  Tmz.VSOLJ
TmzV440        950220.528  116p  Tmz.VSOLJ
TmzV440        951118.735  114p  Tmz.VSOLJ
TmzV440        951222.701  112p  Tmz.VSOLJ
TmzV440        960211.540  112p  Tmz.VSOLJ
TmzV440        961021.828  109p  Tmz.VSOLJ
TmzV440        970227.495  120p  Tmz.VSOLJ
TmzV440        971013.806  110p  Tmz.VSOLJ
TmzV440        971103.834  113p  Tmz.VSOLJ
TmzV440        971203.741  112p  Tmz.VSOLJ
TmzV440        971231.679  114p  Tmz.VSOLJ
TmzV440        980322.516  110p  Tmz.VSOLJ
TmzV440        981115.785  114p  Tmz.VSOLJ
TmzV440        990208.537  119p  Tmz.VSOLJ
TmzV440        990404.452  111p  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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