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[vsnet-newvar 641] New Takamizawa variable (TmzV755)

New Takamizawa variable (TmzV755)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV755).

TmzV755
= GSC1884.1590 063856.38 +252938.8 (2000.0) 12.23 1
= USNO1125.04375180 063856.387 +252938.49 (2000.0) 11.0 17.7
= 2MASS 063856.378 +252938.27 (2000.0)  6.933  5.651  4.884
= IRAS06358+2532 063551.4 +253223 (1950.0)
    F12=1.20  F25=0.52L F60=0.40L F100=1.00L
    VAR=-1 LRS=-1
 possibly I: oxygen-rich non-variable star without circumstellar shell
 or II: variable star with 'young' O-rich 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
= 063855.1 +252917 (2000.0) WSV32
= 063856.5 +252940 (2000.0) CS1334 - - - -
= 063856.5 +252940 (2000.0) IRAS06358+2532 1.209 0.508L 0.400L 1.000L -1%
= 063856.5 +252940 (2000.0) SSC06358+2532 1.209 0.508L 0.400L 1.000L

  Takamizawa's comment:

  The star may be a semireguler variable with a range of 11.3-13.2p.

Photographic magnitude estimates by VSOLJ members

object         YYYYMMDD(UT)   mag  code
TmzV755        19940302.576  131p  Tmz.VSOLJ
TmzV755        19940331.501  130p  Tmz.VSOLJ
TmzV755        19940429.503  132p  Tmz.VSOLJ
TmzV755        19940816.773  126p  Tmz.VSOLJ
TmzV755        19940910.782  127p  Tmz.VSOLJ
TmzV755        19941127.646  124p  Tmz.VSOLJ
TmzV755        19950203.492  119p  Tmz.VSOLJ
TmzV755        19950219.464  126p  Tmz.VSOLJ
TmzV755        19951021.772  127p  Tmz.VSOLJ
TmzV755        19951219.583  124p  Tmz.VSOLJ
TmzV755        19960211.479  120p  Tmz.VSOLJ
TmzV755        19960308.432  118p  Tmz.VSOLJ
TmzV755        19961016.736  128p  Tmz.VSOLJ
TmzV755        19961206.585  124p  Tmz.VSOLJ
TmzV755        19970127.445  120p  Tmz.VSOLJ
TmzV755        19970811.769  119p  Tmz.VSOLJ
TmzV755        19970901.762  120p  Tmz.VSOLJ
TmzV755        19970928.759  126p  Tmz.VSOLJ
TmzV755        19971103.734  128p  Tmz.VSOLJ
TmzV755        19971105.717  129p  Tmz.VSOLJ
TmzV755        19971109.666  128p  Tmz.VSOLJ
TmzV755        19971123.595  129p  Tmz.VSOLJ
TmzV755        19971203.708  131p  Tmz.VSOLJ
TmzV755        19971221.549  129p  Tmz.VSOLJ
TmzV755        19971231.589  129p  Tmz.VSOLJ
TmzV755        19980119.479  123p  Tmz.VSOLJ
TmzV755        19980318.494  118p  Tmz.VSOLJ
TmzV755        19980820.757  115p  Tmz.VSOLJ
TmzV755        19980916.761  118p  Tmz.VSOLJ
TmzV755        19981218.647  125p  Tmz.VSOLJ
TmzV755        19990204.462  128p  Tmz.VSOLJ
TmzV755        19991110.666  120p  Tmz.VSOLJ
TmzV755        20000125.522  124p  Tmz.VSOLJ
TmzV755        20001107.699  113p  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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