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[vsnet-newvar 1182] New Takamizawa variable (TmzV862)

New Takamizawa variable (TmzV862)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV862).

TmzV862
= GSC3683.1598 013620.38 +583142.1 (2000.0) 12.35 1
= USNO1425.02207455 013620.378 +583142.06 (2000.0) 12.0 16.1
= IRAS01330+5816 013303.0 +581622 (1950.0)
     F12=1.90  F25=1.00  F60=0.40L F100=2.09L
     VAR=41 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
= 013620.1 +583146 (2000.0) MSX5C_G128.7775-03.8315 -28 -14 2 2 2 -4 V(%):-:-:1:-:-:-
= 013620.2 +583139 (2000.0) IRAS01330+5816 1.894 0.983 0.400L 2.098L 41%
= 013620.2 +583139 (2000.0) SSC01330+5816 1.894 0.983 0.400L 2.098L

  Takamizawa's comment:

  The star may be a semiregular variable with a range of 12.0-13.2p.

Photographic magnitude estimates by VSOLJ members

object         YYYYMMDD(UT)   mag  code
TmzV862        19950127.432  120p  Tmz.VSOLJ
TmzV862        19970613.737  127p  Tmz.VSOLJ
TmzV862        19970811.675  122p  Tmz.VSOLJ
TmzV862        19971218.478  130p  Tmz.VSOLJ
TmzV862        19980116.420  128p  Tmz.VSOLJ
TmzV862        19980629.693  132p  Tmz.VSOLJ
TmzV862        19980820.646  121p  Tmz.VSOLJ
TmzV862        19990724.672  130p  Tmz.VSOLJ
TmzV862        19991128.440  128p  Tmz.VSOLJ
TmzV862        20000902.678  127p  Tmz.VSOLJ
TmzV862        20011023.605  121p  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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