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[vsnet-newvar 1200] New Takamizawa variable (TmzV872)

New Takamizawa variable (TmzV872)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV872).

TmzV872
= GSC3697.526 020505.91 +581623.4 (2000.0) 13.34 1 N
= USNO1425.02945053 020505.928 +581623.33 (2000.0) 12.1 16.5
= IRAS02016+5802 020136.6 +580200 (1950.0)
     F12=6.92  F25=3.31  F60=0.63  F100=4.36L
     VAR=16 LRS=-1
     II: variable star with 'young' O-rich circumstellar shell
= 020505.4 +581620 (2000.0) IRAS02016+5802 6.639 3.180 0.618 4.230L 16%
= 020505.4 +581620 (2000.0) SSC02016+5802 6.639 3.180 0.618 4.230L
= 020506.0 +581623 (2000.0) MSX5C_G132.5099-03.2221 -21 -11 7 6 4 4 V(%):-:-:1:1:1:0

  Takamizawa's comment:

  The star may be a semiregular variable with a range of 13.5-14.2p.

Photographic magnitude estimates by VSOLJ members

object         YYYYMMDD(UT)   mag  code
TmzV872        19950127.432  135p  Tmz.VSOLJ
TmzV872        19960922.656  138p  Tmz.VSOLJ
TmzV872        19970613.737  135p  Tmz.VSOLJ
TmzV872        19970811.675  136p  Tmz.VSOLJ
TmzV872        19971218.478  136p  Tmz.VSOLJ
TmzV872        19980116.420  137p  Tmz.VSOLJ
TmzV872        19980629.693  139p  Tmz.VSOLJ
TmzV872        19980820.646  137p  Tmz.VSOLJ
TmzV872        19990724.672  140p  Tmz.VSOLJ
TmzV872        19991128.440  142p  Tmz.VSOLJ
TmzV872        20000902.678  139p  Tmz.VSOLJ
TmzV872        20011023.605  137p  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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