[vsnet-obs 21843] New Takamizawa variable (TmzV466)

[Taichi Kato <tkato>]

New Takamizawa variable (TmzV466)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV466).  The star seems to be identical with the infrared variable
NSV17658.

TmzV466
= GSC6565.3056 075517.64 -292821.8 (2000.0) 12.49 6
= USNO0600.04777208 075517.657 -292822.71 (2000.0) 10.9 18.8
= IRAS07532-2920 075317.0 -292022 (1950.0)
    F12=1.32  F25=0.36  F60=0.40L F100=2.09L
    VAR=12 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
= 075517.6 -292821 (2000.0) IRAS07532-2920 1.260 0.350 0.400L 2.120L 12%
= 075517.6 -292821 (2000.0) SSC07532-2920 1.260 0.350 0.400L 2.120L
= 075517.7 -292818 (2000.0) CS1951 - 11.3 - -
= 075517.6 -292821 (2000.0) NSV17658 ? 5.11 5.22 K C
= 075517.9 -292659 (2000.0) C(Buscombe) V=11.3 - -

  Takamizawa's comment:

  The star may be a semiregular variable with a range of 12.8-13.7p.

object         YYMMDD(UT)   mag  code
TmzV466        941111.724  134p  Tmz.VSOLJ
TmzV466        950220.528  135p  Tmz.VSOLJ
TmzV466        951118.735  136p  Tmz.VSOLJ
TmzV466        951222.701  136p  Tmz.VSOLJ
TmzV466        960211.540  137p  Tmz.VSOLJ
TmzV466        961021.828  132p  Tmz.VSOLJ
TmzV466        970227.495  133p  Tmz.VSOLJ
TmzV466        971013.806  133p  Tmz.VSOLJ
TmzV466        971103.834  134p  Tmz.VSOLJ
TmzV466        971203.741  134p  Tmz.VSOLJ
TmzV466        971231.679  135p  Tmz.VSOLJ
TmzV466        980322.516  132p  Tmz.VSOLJ
TmzV466        981115.785  133p  Tmz.VSOLJ
TmzV466        990208.537  133p  Tmz.VSOLJ
TmzV466        990404.452  128p  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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