[vsnet-newvar 1325] New Takamizawa variable (TmzV926) = NSV15284

[Taichi Kato <tkato>]

New Takamizawa variable (TmzV926) = NSV15284

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV926).  The object is identical with NSV 15284.  The variability
is confirmed.

TmzV926
= GSC4038.1343 012018.24 +642807.0 (2000.0) 12.69 1 N
= USNO1500.01363720 012018.194 +642806.99 (2000.0) 12.4 17.2
= IRAS01169+6412 011657.6 +641219 (1950.0)
     F12=4.36  F25=2.09  F60=0.44L F100=19.05L
     VAR=25 LRS=-1
  possibly II: variable star with 'young' O-rich circumstellar shell
  or VII: variable star with more evolved C-rich circumstellar shell
= 012018.0 +642802 (2000.0) IRAS01169+6412 4.391 2.008 0.439L 19.530L 25%
= 012018.0 +642802 (2000.0) SSC01169+6412 4.391 2.008 0.439L 19.530L
= 012018.7 +642807 (2000.0) MSX5C_G126.0379+01.7713 -33 -17 4 4 3 -5 V(%):-:-:1:1:2:-
= 012018.1 +642806 (2000.0) NSV15284 ? 12.7 13.7 V - - - -

  Takamizawa's comment:

  The star may be a semiregular variable with a range of 12.8-13.8p.

Photographic magnitude estimates by VSOLJ members

object         YYYYMMDD(UT)   mag  code
NSV15284       19950120.474  134p  Tmz.VSOLJ
NSV15284       19970517.718  128p  Tmz.VSOLJ
NSV15284       19970703.727  136p  Tmz.VSOLJ
NSV15284       19980116.397  135p  Tmz.VSOLJ
NSV15284       19980823.617  130p  Tmz.VSOLJ
NSV15284       19981011.414  128p  Tmz.VSOLJ
NSV15284       19990105.447  131p  Tmz.VSOLJ
NSV15284       20000529.751  128p  Tmz.VSOLJ
NSV15284       20001216.393  128p  Tmz.VSOLJ
NSV15284       20010520.749  132p  Tmz.VSOLJ
NSV15284       20011116.528  138p  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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