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[vsnet-obs 18494] New Takamizawa variable (TmzV120)

New Takamizawa variable (TmzV120)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV120).

TmzV120
= GSC3740.267 043517.68 +572328.7 (2000.0) 11.82 1
= GSC3740.267 043517.75 +572329.0 (2000.0) 11.92 1
= USNO1425.05418390 043517.717 +572329.07 (2000.0) 11.7 17.3
= IRAS04310+5717 043105.4 +571713 (1950.0)
    F12=0.63  F25=0.33L F60=0.40L F100=1.90L
    VAR=-1 LRS=-1
= 043515.9 +572323 (2000.0) IRAS04310+5717 0.639 0.325L 0.400L 1.855L -1%
= 043515.9 +572323 (2000.0) SSC04310+5717 0.639 0.325L 0.400L 1.855L
= 043517.9 +572331 (2000.0) CS717 - 11.8: - -

  Takamizawa's comment:

  The star may be a semiregular variable (SR) with a range of 11.3-13.2p.

Photographic magnitude estimates by VSOLJ members

object         YYMMDD(UT)   mag  code
TmzV120        941108.587  119p  Tmz.VSOLJ
TmzV120        941224.463  116p  Tmz.VSOLJ
TmzV120        950127.506  123p  Tmz.VSOLJ
TmzV120        971010.738  114p  Tmz.VSOLJ
TmzV120        971221.472  126p  Tmz.VSOLJ
TmzV120        971231.580  127p  Tmz.VSOLJ
TmzV120        980116.455  132p  Tmz.VSOLJ
TmzV120        980820.715  114p  Tmz.VSOLJ
TmzV120        980823.706  113p  Tmz.VSOLJ
TmzV120        981024.551  124p  Tmz.VSOLJ
TmzV120        981218.581  127p  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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