[vsnet-obs 19343] New Takamizawa variable (TmzV239)

[Taichi Kato <tkato>]

New Takamizawa variable (TmzV239)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV239).

TmzV239
= GSC3763.2451 060401.99 +593218.9 (2000.0) 11.62 1
= USNO1425.06489524 060402.004 +593218.93 (2000.0) 10.7 14.5
= IRAS05595+5932 055934.4 +593226 (1950.0)
    F12=0.63  F25=0.19  F60=0.40L F100=1.20L
    VAR= 0 LRS=-1
 possibly I: oxygen-rich non-variable star without 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
= 060401.6 +593218 (2000.0) IRAS05595+5932 0.631 0.186 0.400L 1.166L 0%
= 060401.6 +593218 (2000.0) SSC05595+5932 0.631 0.186 0.400L 1.166L
= 060401.7 +593217 (2000.0) GCSS177 - 13.0 - -
= 060404.8 +593221 (2000.0) FSC05596+5932 0.618 0.221 0.163L 2.159L

  Takamizawa's comment:

  The star may be a semiregular variable  with  a range of 11.1-12.1p.

Photographic magnitude estimates by VSOLJ members

object         YYMMDD(UT)   mag  code
TmzV239        950127.468  111p  Tmz.VSOLJ
TmzV239        950203.468  112p  Tmz.VSOLJ
TmzV239        951219.553  112p  Tmz.VSOLJ
TmzV239        970811.719  118p  Tmz.VSOLJ
TmzV239        971109.684  112p  Tmz.VSOLJ
TmzV239        971123.588  113p  Tmz.VSOLJ
TmzV239        971203.716  115p  Tmz.VSOLJ
TmzV239        971221.501  119p  Tmz.VSOLJ
TmzV239        971231.597  120p  Tmz.VSOLJ
TmzV239        980302.440  121p  Tmz.VSOLJ
TmzV239        980318.443  117p  Tmz.VSOLJ
TmzV239        981024.645  112p  Tmz.VSOLJ
TmzV239        981218.623  119p  Tmz.VSOLJ
TmzV239        990204.438  121p  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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