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[vsnet-obs 19062] New Takamizawa variable (TmzV198)

New Takamizawa variable (TmzV198)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV198).

TmzV198
= GSC3341.174 042607.07 +521919.2 (2000.0) 12.37 1
= USNO1350.04686860 042607.114 +521919.43 (2000.0) 11.4 14.9
= IRAS04222+5212 042214.5 +521227 (1950.0)
    F12=0.48  F25=0.25L F60=0.40L F100=15.84L
    VAR=-1 LRS=-1
= 042607.0 +521913 (2000.0) IRAS04222+5212 0.492 0.250L 0.400L 16.380L -1%
= 042607.0 +521913 (2000.0) SSC04222+5212 0.492 0.250L 0.400L 16.380L

  Takamizawa's comment:

  The star may be a semiregular variable (SR) with  a renge of 12.7-13.7p.

Photographic magnitude estimates by VSOLJ members

object         YYMMDD(UT)   mag  code
TmzV198        940910.701  128p  Tmz.VSOLJ
TmzV198        941108.549  128p  Tmz.VSOLJ
TmzV198        950823.720  131p  Tmz.VSOLJ
TmzV198        951127.554  133p  Tmz.VSOLJ
TmzV198        970714.728  127p  Tmz.VSOLJ
TmzV198        970802.707  127p  Tmz.VSOLJ
TmzV198        971010.696  130p  Tmz.VSOLJ
TmzV198        971123.526  137p  Tmz.VSOLJ
TmzV198        971221.456  135p  Tmz.VSOLJ
TmzV198        980820.706  128p  Tmz.VSOLJ
TmzV198        990109.498  129p  Tmz.VSOLJ

Observer's code:
  Tmz: K.Takamizawa (Saku-machi,Nagano,Japan)
       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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