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[vsnet-newvar 391] New Takamizawa variable (TmzV751)

New Takamizawa variable (TmzV751)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV751).

TmzV751
= GSC722.1129 054404.54 +111954.6 (2000.0) 12.19 1
= USNO0975.01947948 054404.540 +111954.60 (2000.0) 11.2 14.9
= IRAS05412+1118 054117.6 +111839 (1950.0)
    F12=3.31  F25=1.90  F60=0.40L F100=1.74L
    VAR=29 LRS=-1
 possibly IIIa: variable star with more evolved O-rich c.s. shell
 or VII: variable star with more evolved C-rich circumstellar shell
= 054404.6 +111954 (2000.0) IRAS05412+1118 3.409 1.988 0.400L 1.726L 29%
= 054404.6 +111954 (2000.0) SSC05412+1118 3.409 1.988 0.400L 1.726L

  Takamizawa's comment:

  The star may be a semiregular variable with a range of 11.8-13.4p.

Photographic magnitude estimates by VSOLJ members

object         YYYYMMDD(UT)   mag  code
TmzV751        19940302.564  122p  Tmz.VSOLJ
TmzV751        19940330.466  130p  Tmz.VSOLJ
TmzV751        19940812.760  124p  Tmz.VSOLJ
TmzV751        19941014.755  118p  Tmz.VSOLJ
TmzV751        19941108.694  122p  Tmz.VSOLJ
TmzV751        19950203.432  125p  Tmz.VSOLJ
TmzV751        19950219.417  123p  Tmz.VSOLJ
TmzV751        19950927.733  123p  Tmz.VSOLJ
TmzV751        19951021.724  124p  Tmz.VSOLJ
TmzV751        19951217.565  123p  Tmz.VSOLJ
TmzV751        19961203.612  120p  Tmz.VSOLJ
TmzV751        19970811.753  122p  Tmz.VSOLJ
TmzV751        19970928.742  129p  Tmz.VSOLJ
TmzV751        19971221.540  121p  Tmz.VSOLJ
TmzV751        19980820.765  123p  Tmz.VSOLJ
TmzV751        19980916.744  123p  Tmz.VSOLJ
TmzV751        19981212.572  120p  Tmz.VSOLJ
TmzV751        19990111.572  129p  Tmz.VSOLJ
TmzV751        19990206.440  131p  Tmz.VSOLJ
TmzV751        19991105.742  130p  Tmz.VSOLJ
TmzV751        20000124.481  134p  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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