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[vsnet-obs 18604] New Takamizawa variable (TmzV130)

New Takamizawa variable (TmzV130)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV130).

TmzV130
= GSC3344.2390 045233.48 +454136.7 (2000.0) 11.90 1
= USNO1350.05119687 045233.520 +454136.44 (2000.0) 11.2 17.9
= IRAS04489+4536 044854.0 +453637 (1950.0)
    F12=1.20  F25=0.40L F60=0.40L F100=12.02L
    VAR=-1 LRS=-1
 possibly I: oxygen-rich non-variable star without 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
= 045232.9 +454135 (2000.0) IRAS04489+4536 1.190 0.406L 0.400L 12.050L -1%
= 045232.9 +454135 (2000.0) SSC04489+4536 1.190 0.406L 0.400L 12.050L
= 045233.5 +454136 (2000.0) CS795 - - 9.8 -

  Takamizawa's comment:

  The star may be a semiregular variable (SR) with a range of 11.6-13.2p.

Photographic magnitude estimates by VSOLJ members

object         YYMMDD(UT)   mag  code
TmzV130        941108.597  120p  Tmz.VSOLJ
TmzV130        941224.488  118p  Tmz.VSOLJ
TmzV130        950320.522  116p  Tmz.VSOLJ
TmzV130        951128.600  122p  Tmz.VSOLJ
TmzV130        960109.415  120p  Tmz.VSOLJ
TmzV130        960922.738  123p  Tmz.VSOLJ
TmzV130        961015.740  124p  Tmz.VSOLJ
TmzV130        970802.740  130p  Tmz.VSOLJ
TmzV130        971123.606  119p  Tmz.VSOLJ
TmzV130        980318.465  121p  Tmz.VSOLJ
TmzV130        980820.722  132p  Tmz.VSOLJ
TmzV130        981024.601  123p  Tmz.VSOLJ
TmzV130        981218.588  119p  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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