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[vsnet-obs 19755] New Takamizawa variable (TmzV268)

New Takamizawa variable (TmzV268)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV268).

TmzV268
= GSC4782.1182 060621.54 -014748.1 (2000.0) 14.77 0
= USNO0825.01935778 060621.542 -014748.42 (2000.0) 11.9 15.5
= IRAS06038-0147 060349.8 -014726 (1950.0)
    F12=0.91  F25=0.28  F60=0.40L F100=7.58L
    VAR= 4 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
= 060620.7 -014746 (2000.0) FSC06038-0147 0.763 0.290 0.285L 1.038L
= 060621.3 -014748 (2000.0) IRAS06038-0147 0.922 0.276 0.400L 7.692L 4%
= 060621.3 -014748 (2000.0) SSC06038-0147 0.922 0.276 0.400L 7.692L

  Takamizawa's comment:

  The star may be a semiregular variable with a range of 13.4-15.2p.

Photographic magnitude estimates by VSOLJ members

object         YYMMDD(UT)   mag  code
TmzV268        940331.485  152p  Tmz.VSOLJ
TmzV268        941127.622  148p  Tmz.VSOLJ
TmzV268        950203.519  134p  Tmz.VSOLJ
TmzV268        950219.449  136p  Tmz.VSOLJ
TmzV268        950927.771  134p  Tmz.VSOLJ
TmzV268        951021.757  147p  Tmz.VSOLJ
TmzV268        951219.605  147p  Tmz.VSOLJ
TmzV268        961016.753  145p  Tmz.VSOLJ
TmzV268        961206.602  140p  Tmz.VSOLJ
TmzV268        970901.800  139p  Tmz.VSOLJ
TmzV268        971103.751  143p  Tmz.VSOLJ
TmzV268        971221.572  141p  Tmz.VSOLJ
TmzV268        980823.774  145p  Tmz.VSOLJ
TmzV268        990206.492  145p  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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