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[vsnet-newvar 1282] New Takamizawa variable (TmzV896)

New Takamizawa variable (TmzV896)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV896).

TmzV896
= GSC4041.788 021523.77 +650139.7 (2000.0) 12.55 1
= USNO1500.02280585 021523.816 +650139.54 (2000.0) 12.1 15.9
= IRAS02115+6447 021132.1 +644743 (1950.0)
     F12=1.10  F25=0.36  F60=0.58L F100=22.90L
     VAR=42 LRS=-1
  possibly I: oxygen-rich non-variable star without circumstellar shell
  or VII: variable star with more evolved C-rich circumstellar shell
  or VIa: non-variable star with relatively cold dust at large
       distance, may be carbon-rich
= 021523.2 +650141 (2000.0) MSX5C_G131.6458+03.5864 -23 -12 1 -1 0 -2 V(%):-:-:1:-:-:-
= 021524.2 +650139 (2000.0) IRAS02115+6447 1.145 0.352 0.574L 21.920L 42%
= 021524.2 +650139 (2000.0) SSC02115+6447 1.145 0.352 0.574L 21.920L

  Takamizawa's comment:

  The star may be a semiregular variable with a range of 12.8-13.5p.

Photographic magnitude estimates by VSOLJ members

object         YYYYMMDD(UT)   mag  code
TmzV896        19950127.432  132p  Tmz.VSOLJ
TmzV896        19960922.656  128p  Tmz.VSOLJ
TmzV896        19970613.737  131p  Tmz.VSOLJ
TmzV896        19980116.420  132p  Tmz.VSOLJ
TmzV896        19980629.693  135p  Tmz.VSOLJ
TmzV896        19991128.440  132p  Tmz.VSOLJ
TmzV896        20000902.687  130p  Tmz.VSOLJ
TmzV896        20011023.613  135p  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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