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[vsnet-obs 14653] New Takamizawa variable star (TmzV68)

New Takamizawa variable star (TmzV68)

   Kesao Takamizawa (Nagano, Japan) reports his discovery of a new variable
star (TmzV68).

  TmzV68 = GSC2377.1182 043739.07 +323727.0 (2000.0) 11.52 1
         = USNO1200.02410850 043739.074 +323727.05 (2000.0) 10.7 14.9
         = IRAS04344+3231 043425.7 +323127 (1950.0)
           F12=17.37  F25=7.58  F60=1.44  F100=9.12L
           VAR=14 LRS=15
           blue featureless, spec.index=2.5
           II: variable star with 'young' O-rich circumstellar shell
 = 043739.2 +323725 (2000.0) IRAS04344+3231 18.120 7.813 1.401 9.429L 14% 3(LRS)
 = 043739.2 +323725 (2000.0) SSC04344+3231 18.120 7.813 1.401 9.429L
 = 043741.5 +323728 (2000.0) TMSS+30091
 = 043732.6 +323812 (2000.0) DO10597

  Takamizawa's comment:

       The star has a range of 11.7-12.7p, and the range suggests
       a semiregular variable (SR).

Photographic magnitude estimates by VSOLJ members

object         YYMMDD(UT)   mag  code
TmzV68         940301.509  123p  Tmz.VSOLJ
TmzV68         940329.440  117p  Tmz.VSOLJ
TmzV68         940810.747  127p  Tmz.VSOLJ
TmzV68         940910.775  127p  Tmz.VSOLJ
TmzV68         941104.777  123p  Tmz.VSOLJ
TmzV68         941223.512  118p  Tmz.VSOLJ
TmzV68         950320.501  120p  Tmz.VSOLJ
TmzV68         951127.613  122p  Tmz.VSOLJ
TmzV68         960111.455  120p  Tmz.VSOLJ
TmzV68         960815.744  121p  Tmz.VSOLJ
TmzV68         971010.755  118p  Tmz.VSOLJ
TmzV68         971221.492  120p  Tmz.VSOLJ
TmzV68         980116.471  123p  Tmz.VSOLJ
TmzV68         980823.727  120p  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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