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[vsnet-newvar 1334] New Takamizawa variable (TmzV935)

New Takamizawa variable (TmzV935)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV935).

TmzV935
= GSC4296.812 010119.82 +684302.0 (2000.0) 12.97 1
= USNO1575.00634265 010119.832 +684301.68 (2000.0) 12.1 20.1
= IRAS00580+6826 005802.1 +682649 (1950.0)
     F12=1.90  F25=0.63  F60=0.40L F100=2.29L
     VAR= 0 LRS=-1
  possibly I: oxygen-rich non-variable star without circumstellar shell
  or VII: variable star with more evolved C-rich circumstellar shell
  or VIa: non-variable star with relatively cold dust at large
       distance, may be carbon-rich
= 010119.5 +684303 (2000.0) CS161 - 13.5 9.5 -
= 010119.6 +684257 (2000.0) IRAS00580+6826 1.872 0.637 0.400L 2.202L 0%
= 010119.6 +684257 (2000.0) SSC00580+6826 1.872 0.637 0.400L 2.202L

  Takamizawa's comment:

  The star may be a semiregular variable with a range of 12.7-13.6p.

Photographic magnitude estimates by VSOLJ members

object         YYYYMMDD(UT)   mag  code
TmzV935        19950120.474  129p  Tmz.VSOLJ
TmzV935        19970517.718  131p  Tmz.VSOLJ
TmzV935        19970703.727  132p  Tmz.VSOLJ
TmzV935        19980116.397  127p  Tmz.VSOLJ
TmzV935        19980823.617  129p  Tmz.VSOLJ
TmzV935        19981011.414  132p  Tmz.VSOLJ
TmzV935        19990105.447  134p  Tmz.VSOLJ
TmzV935        20000529.751  133p  Tmz.VSOLJ
TmzV935        20001216.393  136p  Tmz.VSOLJ
TmzV935        20010520.749  132p  Tmz.VSOLJ
TmzV935        20011116.528  128p  Tmz.VSOLJ

Observer's code:
  Tmz: K.Takamizawa (Saku-machi,Nagano,Japan)
       SASS (Saku All Sky Survey)
       Inst.: 10cmR F4 twin patrol cameras and 25cm F2.8
       Baker-Schmidt camera T-Max400 120
       Comparison stars mag.:GSC

Relayed from Kesao Takamizawa <k-takamizawa@nifty.ne.jp>

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