[vsnet-obs 19283] New Takamizawa variable (TmzV232)

[Taichi Kato <tkato>]

New Takamizawa variable (TmzV232)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV232).

TmzV232
= GSC4106.538 055622.54 +662700.5 (2000.0) 11.53 1
= GSC4106.538 055622.61 +662700.3 (2000.0) 11.42 1
= USNO1500.04445157 055622.575 +662700.44 (2000.0) 11.1 13.2
= IRAS05512+6626 055115.5 +662634 (1950.0)
    F12=1.10  F25=0.44  F60=0.40L F100=1.74L
    VAR=53 LRS=-1
 possibly 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
= 055622.3 +662701 (2000.0) IRAS05512+6626 1.092 0.453 0.400L 1.813L 53%
= 055622.3 +662701 (2000.0) SSC05512+6626 1.092 0.453 0.400L 1.813L
= 055623.1 +662700 (2000.0) FSC05512+6626 0.932 0.444 0.162L 1.417L

  Takamizawa's comment:

  The star may be a semiregurar variable  with  a range of 11.8-13.0p.

Photographic magnitude estimates by VSOLJ members

object         YYMMDD(UT)   mag  code
TmzV232        950127.522  118p  Tmz.VSOLJ
TmzV232        950203.472  122p  Tmz.VSOLJ
TmzV232        951219.553  122p  Tmz.VSOLJ
TmzV232        970811.719  122p  Tmz.VSOLJ
TmzV232        971109.684  127p  Tmz.VSOLJ
TmzV232        971123.546  125p  Tmz.VSOLJ
TmzV232        971203.720  125p  Tmz.VSOLJ
TmzV232        971221.501  126p  Tmz.VSOLJ
TmzV232        971231.597  124p  Tmz.VSOLJ
TmzV232        980302.431  122p  Tmz.VSOLJ
TmzV232        980318.438  123p  Tmz.VSOLJ
TmzV232        981024.645  122p  Tmz.VSOLJ
TmzV232        981218.623  124p  Tmz.VSOLJ
TmzV232        990111.539  130p  Tmz.VSOLJ
TmzV232        990204.438  128p  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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