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[vsnet-obs 19623] New Takamizawa variable (TmzV257)

New Takamizawa variable (TmzV257)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV257).

TmzV257
= USNO1200.04130564 055714.811 +322238.13 (2000.0) 12.0 17.0
= 055714.7 +322241 (2000.0) NSS20 12.4 Exceptionally_strong_LaO,see_text.*
= 055717.1 +322237 (2000.0) IRAS05540+3222 0.503 0.334L 0.422L 1.822L -1%
= 055717.1 +322237 (2000.0) SSC05540+3222 0.503 0.334L 0.422L 1.822L
= 055712.0 +322159 (2000.0) S(Buscombe) V=13.7 - -

  Takamizawa's comment:

  The star may be a Mira-type variable with a range of 12.1-<15.2p.

Photographic magnitude estimates by VSOLJ members

object         YYMMDD(UT)   mag  code
TmzV257        940331.506  <150p  Tmz.VSOLJ
TmzV257        940429.508  <135p  Tmz.VSOLJ
TmzV257        940910.778  121p  Tmz.VSOLJ
TmzV257        950219.464  <150p  Tmz.VSOLJ
TmzV257        951219.574  <150p  Tmz.VSOLJ
TmzV257        961206.576  <150p  Tmz.VSOLJ
TmzV257        970127.436  <150p  Tmz.VSOLJ
TmzV257        970901.762  <144p  Tmz.VSOLJ
TmzV257        971103.734  <152p  Tmz.VSOLJ
TmzV257        971105.717  <152p  Tmz.VSOLJ
TmzV257        971221.548  137p  Tmz.VSOLJ
TmzV257        980119.470  132p  Tmz.VSOLJ
TmzV257        981218.638  129p  Tmz.VSOLJ
TmzV257        990204.453  124p  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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