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[vsnet-newvar 1211] New Takamizawa variable (TmzV881)

New Takamizawa variable (TmzV881)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV881).

TmzV881
= GSC4046.1190 023404.69 +605914.4 (2000.0) 13.12 1
= USNO1500.02523033 023404.687 +605914.38 (2000.0) 13.2 14.4
= IRAS02302+6046 023016.7 +604601 (1950.0)
     F12=2.29  F25=3.31  F60=2.29L F100=27.53L
     VAR=10 LRS=-1
  possibly IIIb: variable star with thich O-rich circumstellar shell
= 023404.9 +605917 (2000.0) HBH12-38 em V=12.5 - 
= 023404.2 +605910 (2000.0) IRAS02302+6046 2.223 3.237 2.225L 27.430L 10%
= 023404.2 +605910 (2000.0) SSC02302+6046 2.223 3.237 2.225L 27.430L
= 023404.8 +605912 (2000.0) MSX5C_G135.0565+00.5548 -17 -9 1 2 2 4 V(%):-:-:1:1:1:1

  Takamizawa's comment:

  The star may be a semiregular variable with a range of 12.5-13.3p.

Photographic magnitude estimates by VSOLJ members

object         YYYYMMDD(UT)   mag  code
TmzV881        19950127.432  130p  Tmz.VSOLJ
TmzV881        19951127.538  129p  Tmz.VSOLJ
TmzV881        19960922.656  125p  Tmz.VSOLJ
TmzV881        19970613.737  133p  Tmz.VSOLJ
TmzV881        19980116.420  129p  Tmz.VSOLJ
TmzV881        19980629.693  125p  Tmz.VSOLJ
TmzV881        19980703.724  131p  Tmz.VSOLJ
TmzV881        19991128.440  128p  Tmz.VSOLJ
TmzV881        20000902.678  129p  Tmz.VSOLJ
TmzV881        20011023.605  132p  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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