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[vsnet-newvar 253] New Takamizawa variable (TmzV705)

New Takamizawa variable (TmzV705)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV705).

TmzV705
= GSC3991.257 222913.46 +565548.3 (2000.0) 12.61 1
= USNO1425.13641252 222913.423 +565548.43 (2000.0) 11.6 15.0
= IRAS22273+5640 222719.5 +564020 (1950.0)
    F12=0.63  F25=0.16  F60=0.48L F100=15.84L
    VAR= 0 LRS=-1
 possibly I: oxygen-rich non-variable star without circumstellar shell
 or VIa: non-variable star with relatively cold dust at large
      distance, may be carbon-rich
= 222911.9 +565522 (2000.0) CS5668 14.8 12.6 10.7 -
= 222913.4 +565542 (2000.0) IRAS22273+5640 0.650 0.159 0.468L 15.810L 0%
= 222913.4 +565542 (2000.0) SSC22273+5640 0.650 0.159 0.468L 15.810L

  Takamizawa's comment:

  The star may be a semiregular variable with a range of 12.9-13.5p.

object         YYYYMMDD(UT)   mag  code
TmzV705        19940903.562  135p  Tmz.VSOLJ
TmzV705        19970824.567  133p  Tmz.VSOLJ
TmzV705        19970827.540  134p  Tmz.VSOLJ
TmzV705        19971218.437  129p  Tmz.VSOLJ
TmzV705        19980823.562  132p  Tmz.VSOLJ
TmzV705        19980916.530  133p  Tmz.VSOLJ
TmzV705        19990709.574  133p  Tmz.VSOLJ
TmzV705        19990807.594  131p  Tmz.VSOLJ
TmzV705        19991226.462  131p  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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