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[vsnet-newvar 1301] New Takamizawa variable (TmzV906)

New Takamizawa variable (TmzV906)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV906).

TmzV906
= GSC4043.1075 013717.56 +665637.0 (2000.0) 11.73 1
= USNO1500.01662071 013717.627 +665637.16 (2000.0) 10.9 15.3
= IRAS01336+6641 013341.0 +664121 (1950.0)
     F12=3.31  F25=1.20  F60=0.40L F100=12.02L
     VAR= 1 LRS=-1
  possibly II: variable star with 'young' O-rich circumstellar shell
  or VII: variable star with more evolved C-rich circumstellar shell
= 013717.5 +665638 (2000.0) MSX5C_G127.4097+04.4718 -24 -12 4 2 1 -3 V(%):-:-:1:2:0:-
= 013717.8 +665637 (2000.0) IRAS01336+6641 3.412 1.228 0.400L 11.660L 1%
= 013717.8 +665637 (2000.0) SSC01336+6641 3.412 1.228 0.400L 11.660L

  Takamizawa's comment:

  The star may be a semiregular variable with a range of 12.0-12.5p.

Photographic magnitude estimates by VSOLJ members

object         YYYYMMDD(UT)   mag  code
TmzV906        19950127.432  123p  Tmz.VSOLJ
TmzV906        19960922.656  124p  Tmz.VSOLJ
TmzV906        19970613.737  122p  Tmz.VSOLJ
TmzV906        19980116.420  125p  Tmz.VSOLJ
TmzV906        19980629.693  125p  Tmz.VSOLJ
TmzV906        19991128.440  123p  Tmz.VSOLJ
TmzV906        20000902.687  123p  Tmz.VSOLJ
TmzV906        20011023.613  120p  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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