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[vsnet-obs 18234] New Takamizawa variable (TmzV98)

New Takamizawa variable (TmzV98)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV98).

TmzV98
= GSC5947.3196 062957.90 -154806.9 (2000.0) 14.31 0
= GSC5947.3196 062957.93 -154807.9 (2000.0) 13.04 0
= USNO0675.02061859 062957.894 -154807.24 (2000.0) 12.2 12.2
= IRAS06277-1545 062743.2 -154559 (1950.0)
    F12=0.83  F25=0.44  F60=0.40L F100=1.00L
    VAR=72 LRS=-1
 possibly IIIa: variable star with more evolved O-rich c.s. shell
 or VIb: variable star with relatively hot dust close to
      the star and relatively cold dust at large distance
      may be O-rich
 or VII: variable star with more evolved C-rich circumstellar shell
= 062957.2 -154805 (2000.0) FSC06277-1546 0.855 0.388 0.226L 1.390L
= 062958.1 -154804 (2000.0) IRAS06277-1545 0.836 0.447 0.400L 1.027L 72%
= 062958.1 -154804 (2000.0) SSC06277-1545 0.836 0.447 0.400L 1.027L

   Takamizawa's comment:

  The star may be a semiregular variable (SR) with a range of 12.3-13.3p.

Photographic magnitude estimates by VSOLJ members

object         YYMMDD(UT)   mag  code
TmzV98         940331.476  131p  Tmz.VSOLJ
TmzV98         941127.608  133p  Tmz.VSOLJ
TmzV98         950203.511  124p  Tmz.VSOLJ
TmzV98         950219.442  124p  Tmz.VSOLJ
TmzV98         951021.750  128p  Tmz.VSOLJ
TmzV98         960111.501  123p  Tmz.VSOLJ
TmzV98         961206.611  132p  Tmz.VSOLJ
TmzV98         971103.759  125p  Tmz.VSOLJ
TmzV98         981126.749  123p  Tmz.VSOLJ

Observer: 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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