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[vsnet-newvar 686] New Takamizawa variable (TmzV785)

New Takamizawa variable (TmzV785)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV785).

TmzV785
= GSC2317.1359 021315.76 +335751.0 (2000.0) 12.19 1
= USNO1200.00949749 021315.819 +335750.71 (2000.0) 11.5 15.3
= IRAS02102+3343 021017.6 +334346 (1950.0)
     F12=0.63  F25=0.33  F60=0.40L F100=1.00L
     VAR=71 LRS=-1
  possibly IIIa: variable star with more evolved O-rich c.s. shell
  or VIb: variable star with relatively hot dust close to
       the star and relatively cold dust at large distance
       may be O-rich
  or VII: variable star with more evolved C-rich circumstellar shell
= 021315.5 +335748 (2000.0) FSC02102+3343 0.571 0.316 0.142L 0.486L
= 021315.6 +335746 (2000.0) IRAS02102+3343 0.649 0.325 0.400L 1.000L 71%
= 021315.6 +335746 (2000.0) SSC02102+3343 0.649 0.325 0.400L 1.000L

  Takamizawa's comment:

  The star may be a semiregular variable  with a range of 12.4-13.4p.

Photographic magnitude estimates by VSOLJ members

object         YYYYMMDD(UT)   mag  code
TmzV785        19940705.717  130p  Tmz.VSOLJ
TmzV785        19940803.679  129p  Tmz.VSOLJ
TmzV785        19941102.652  128p  Tmz.VSOLJ
TmzV785        19950127.416  133p  Tmz.VSOLJ
TmzV785        19950320.437  128p  Tmz.VSOLJ
TmzV785        19950921.616  133p  Tmz.VSOLJ
TmzV785        19951217.524  134p  Tmz.VSOLJ
TmzV785        19960110.428  130p  Tmz.VSOLJ
TmzV785        19960815.634  129p  Tmz.VSOLJ
TmzV785        19970706.703  124p  Tmz.VSOLJ
TmzV785        19970830.647  129p  Tmz.VSOLJ
TmzV785        19971203.519  129p  Tmz.VSOLJ
TmzV785        19980629.710  131p  Tmz.VSOLJ
TmzV785        19981112.539  131p  Tmz.VSOLJ
TmzV785        19990709.706  128p  Tmz.VSOLJ
TmzV785        19991128.456  133p  Tmz.VSOLJ
TmzV785        20000604.735  126p  Tmz.VSOLJ
TmzV785        20000902.694  125p  Tmz.VSOLJ

Observer's code:
  Tmz: K.Takamizawa (Saku-machi,Nagano,Japan)
       SASS (Saku All Sky Survey)
       Inst.: 10cmR F4 twin patrol cameras  T-Max400 120
       Comparison stars mag.:GSC

Relayed from Kesao Takamizawa <GHA07243@nifty.ne.jp>

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