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[vsnet-obs 15747] New Takamizawa variable star (TmzV76)

New Takamizawa variable star (TmzV76)

   Kesao Takamizawa (Nagano, Japan) reports his discovery of a new variable
star (TmzV76).

TmzV76 = GSC1346.1099 071836.11 +153509.2 (2000.0) 11.50 1
       = 071835.5 +153509 (2000.0) FSC07157+1540 2.187 0.703 0.182L 1.719L
       = 071835.9 +153505 (2000.0) LMS77 M7 13.5 D12931
     ? = 071836.0 +153459 (2000.0) M7(III)(Buscombe) V=8.53 B-V=.30 -
                                  (position or ID error?)
       = 071836.4 +153508 (2000.0) IRAS07157+1540 2.205 0.852 0.400L 1.000L 0%
       = 071836.4 +153508 (2000.0) SSC07157+1540 2.205 0.852 0.400L 1.000L

   Takamizawa's comment:

       The star may be a Mira-type classification with a range of 10.7-14.5p,
       and period of about 270days.

Photographic magnitude estimates by VSOLJ members

object         YYMMDD(UT)   mag  code
TmzV76         940306.459  124p  Tmz.VSOLJ
TmzV76         940429.532  <127p  Tmz.VSOLJ
TmzV76         950220.493  140p  Tmz.VSOLJ
TmzV76         951025.756  126p  Tmz.VSOLJ
TmzV76         951222.656  145p  Tmz.VSOLJ
TmzV76         961015.812  143p  Tmz.VSOLJ
TmzV76         961206.683  118p  Tmz.VSOLJ
TmzV76         970830.794  130p  Tmz.VSOLJ
TmzV76         970929.784  125p  Tmz.VSOLJ
TmzV76         971103.778  115p  Tmz.VSOLJ
TmzV76         971204.729  112p  Tmz.VSOLJ
TmzV76         971224.658  107p  Tmz.VSOLJ
TmzV76         980121.572  111p  Tmz.VSOLJ
TmzV76         980217.522  118p  Tmz.VSOLJ
TmzV76         980919.760  108p  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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