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[vsnet-newvar 653] New Takamizawa variable (TmzV762)

New Takamizawa variable (TmzV762)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV762).

TmzV762
= GSC6649.1063 111022.14 -230233.2 (2000.0) 10.96 0
= GSC6649.1063 111022.19 -230233.5 (2000.0) 11.35 0
= USNO0600.08306061 111022.166 -230233.42 (2000.0) 11.2 99.9
= 2MASS 111022.180 -230233.41 (2000.0)  5.654  0.000  0.000
= IRAS11079-2246 110754.6 -224614 (1950.0)
     F12=2.09  F25=1.10  F60=0.40L F100=1.20L
     VAR= 0 LRS=-1
  possibly IIIa: variable star with more evolved O-rich c.s. shell
  or VII: variable star with more evolved C-rich circumstellar shell
= 111022.0 -230221 (2000.0) CD-22.8723 9.6
= 111023.6 -230238 (2000.0) SD-22.3092 9.8
= 111022.0 -230231 (2000.0) IRAS11079-2246 2.124 1.100 0.400L 1.163L 0%
= 111022.0 -230231 (2000.0) SSC11079-2246 2.124 1.100 0.400L 1.163L
= 111022.2 -230233 (2000.0) 1095 1.66 TYC2-6649.1063.1 (11.13 0.06) (13.08 0.21)

  Takamizawa's comment:

  The star may be a semiregular variable with a range of 11.0-11.9p.

Photographic magnitude estimates by VSOLJ members

object         YYYYMMDD(UT)   mag  code
TmzV762        19950226.604  117p  Tmz.VSOLJ
TmzV762        19951124.776  110p  Tmz.VSOLJ
TmzV762        19990112.747  116p  Tmz.VSOLJ
TmzV762        19990208.622  119p  Tmz.VSOLJ
TmzV762        19991207.815  110p  Tmz.VSOLJ
TmzV762        20000108.791  117p  Tmz.VSOLJ
TmzV762        20000131.678  117p  Tmz.VSOLJ
TmzV762        20000310.624  118p  Tmz.VSOLJ
TmzV762        20001128.836  113p  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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