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[vsnet-newvar 1164] New Takamizawa variable (TmzV849)

New Takamizawa variable (TmzV849)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV849).

TmzV849
= GSC3287.2258 014222.72 +485734.7 (2000.0) 11.48 1
= USNO1350.01664465 014222.709 +485734.60 (2000.0) 10.6 13.3
= 2MASS 014222.670 +485734.25 (2000.0)  7.282  6.320  5.912
= 2MASS 014222.704 +485734.92 (2000.0)  0.000  0.000  0.000
= IRAS01392+4842 013916.4 +484226 (1950.0)
     F12=2.29  F25=1.44  F60=0.48  F100=1.00L
     VAR= 3 LRS=-1
     VII: variable star with more evolved C-rich circumstellar shell
= 014221.7 +485728 (2000.0) FSC01392+4842 2.326 1.383 0.498 1.300L
= 014222.6 +485732 (2000.0) IRAS01392+4842 2.316 1.392 0.482 1.029L 3%
= 014222.6 +485732 (2000.0) SSC01392+4842 2.316 1.392 0.482 1.029L
= 014222.6 +485733 (2000.0) 1178 1.68 TYC2-3287.2258.1 (11.95 0.18) (13.93 0.46)

  Takamizawa's comment:

  The star may be a semiregular variable with a range of 11.1-12.1p.

Photographic magnitude estimates by VSOLJ members

object         YYYYMMDD(UT)   mag  code
TmzV849        19940908.690  113p  Tmz.VSOLJ
TmzV849        19950120.488  114p  Tmz.VSOLJ
TmzV849        19970613.728  113p  Tmz.VSOLJ
TmzV849        19980116.413  121p  Tmz.VSOLJ
TmzV849        19980629.701  112p  Tmz.VSOLJ
TmzV849        19991128.448  111p  Tmz.VSOLJ
TmzV849        20000902.678  116p  Tmz.VSOLJ
TmzV849        20011023.605  113p  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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