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[vsnet-newvar 1284] New Takamizawa variable (TmzV898)



New Takamizawa variable (TmzV898)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV898).

TmzV898
= GSC4045.578 021515.34 +654219.6 (2000.0) 12.55 1
= USNO1500.02278513 021515.358 +654219.23 (2000.0) 11.3 15.3
= IRAS02113+6528 021121.0 +652821 (1950.0)
     F12=2.51  F25=1.20  F60=0.63  F100=15.84L
     VAR= 8 LRS=-1
     VIa: non-variable star with relatively cold dust at large
       distance, may be carbon-rich
= 021515.0 +654219 (2000.0) MSX5C_G131.4156+04.2237 -24 -12 3 2 1 -3 V(%):-:-:0:-:-:-
= 021515.5 +654218 (2000.0) IRAS02113+6528 2.460 1.229 0.662 15.730L 8%
= 021515.5 +654218 (2000.0) SSC02113+6528 2.460 1.229 0.662 15.730L

  Takamizawa's comment:

  The star may be a semiregular variable with a range of 12.2-13.3p.

Photographic magnitude estimates by VSOLJ members

object         YYYYMMDD(UT)   mag  code
TmzV898        19950127.432  133p  Tmz.VSOLJ
TmzV898        19960922.656  123p  Tmz.VSOLJ
TmzV898        19970613.737  123p  Tmz.VSOLJ
TmzV898        19980116.420  124p  Tmz.VSOLJ
TmzV898        19980629.693  122p  Tmz.VSOLJ
TmzV898        19991128.440  130p  Tmz.VSOLJ
TmzV898        20000902.687  126p  Tmz.VSOLJ
TmzV898        20011023.613  125p  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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