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[vsnet-obs 21821] New Takamizawa variable (TmzV462)

New Takamizawa variable (TmzV462)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV462).

TmzV462
= GSC7120.730 075915.24 -312006.2 (2000.0) 11.81 6
= USNO0525.05674223 075915.216 -312006.63 (2000.0) 10.2 14.0
= IRAS07572-3111 075717.4 -311152 (1950.0)
    F12=2.09  F25=0.52  F60=0.40L F100=7.58L
    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
= 075915.4 -312002 (2000.0) CS1982 - 10.8 8.6 -
= 075915.8 -312006 (2000.0) IRAS07572-3111 2.105 0.527 0.400L 7.420L 12%
= 075915.8 -312006 (2000.0) SSC07572-3111 2.105 0.527 0.400L 7.420L
= 075911.9 -311959 (2000.0) C(Buscombe) V=10.8 - -

  Takamizawa's comment:

  The star may be a semiregular variable with a range of 11.6-12.4p.

object         YYMMDD(UT)   mag  code
TmzV462        941111.724  116p  Tmz.VSOLJ
TmzV462        950220.528  123p  Tmz.VSOLJ
TmzV462        951118.735  123p  Tmz.VSOLJ
TmzV462        951222.701  118p  Tmz.VSOLJ
TmzV462        960211.540  121p  Tmz.VSOLJ
TmzV462        961021.828  117p  Tmz.VSOLJ
TmzV462        970227.495  122p  Tmz.VSOLJ
TmzV462        971013.806  124p  Tmz.VSOLJ
TmzV462        971103.834  122p  Tmz.VSOLJ
TmzV462        971203.741  122p  Tmz.VSOLJ
TmzV462        971231.679  119p  Tmz.VSOLJ
TmzV462        980322.516  122p  Tmz.VSOLJ
TmzV462        981115.785  121p  Tmz.VSOLJ
TmzV462        990208.537  118p  Tmz.VSOLJ
TmzV462        990404.452  121p  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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