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[vsnet-newvar 221] New Takamizawa variable (TmzV673)

New Takamizawa variable (TmzV673)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV673).

TmzV673
= GSC3995.358 222729.45 +592601.7 (2000.0) 11.12 6
= GSC3995.358 222729.49 +592601.8 (2000.0) 11.07 6
= USNO1425.13587629 222729.510 +592601.47 (2000.0) 10.8 14.8 *
= IRAS22256+5910 222540.7 +591041 (1950.0)
    F12=2.29  F25=1.00  F60=2.29L F100=36.30L
    VAR=58 LRS=-1
 possibly II: variable star with 'young' O-rich 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
= 222729.7 +592600 (2000.0) IRAS22256+5910 2.321 1.022 2.291L 34.950L 58%
= 222729.7 +592600 (2000.0) SSC22256+5910 2.321 1.022 2.291L 34.950L
= 222731.6 +592637 (2000.0) DO41414

  Takamizawa's comment:

  The star may be a semiregular variable with a range of 11.2-11.7p.

object         YYYYMMDD(UT)   mag  code
TmzV673        19940903.562  112p  Tmz.VSOLJ
TmzV673        19970824.567  116p  Tmz.VSOLJ
TmzV673        19970827.540  117p  Tmz.VSOLJ
TmzV673        19971218.437  116p  Tmz.VSOLJ
TmzV673        19980823.562  113p  Tmz.VSOLJ
TmzV673        19980916.530  114p  Tmz.VSOLJ
TmzV673        19990709.574  115p  Tmz.VSOLJ
TmzV673        19990807.594  112p  Tmz.VSOLJ
TmzV673        19991226.462  115p  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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