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[vsnet-obs 18220] New Takamizawa variable (TmzV95)

New Takamizawa variable (TmzV95)

   Kesao Takamizawa (Nagano Japan) reports the discovery of a new variable
star (TmzV95).

TmzV95
= USNO0600.04400842 074652.718 -271916.93 (2000.0)  9.8 15.1
= IRAS07448-2711 074449.7 -271148 (1950.0)
    F12=1.74  F25=0.48  F60=0.40L F100=12.02L
    VAR=25 LRS=-1
 possibly I: oxygen-rich non-variable star without circumstellar shell
 or VIa: non-variable star with relatively cold dust at large
      distance, may be carbon-rich
= 074652.5 -271910 (2000.0) CS1875 - 10.2 8.5 -
= 074652.5 -271914 (2000.0) IRAS07448-2711 1.678 0.473 0.400L 11.850L 25%
= 074652.5 -271914 (2000.0) SSC07448-2711 1.678 0.473 0.400L 11.850L

  Takamizawa's comment:

  The star may be a semiregular variable (SR) with a range of 11.8-14.2p.

Photographic magnitude estimates by VSOLJ members

object         YYMMDD(UT)   mag  code
TmzV95         940331.470  118p  Tmz.VSOLJ
TmzV95         941127.600  125p  Tmz.VSOLJ
TmzV95         950203.511  119p  Tmz.VSOLJ
TmzV95         960111.510  141p  Tmz.VSOLJ
TmzV95         961206.611  142p  Tmz.VSOLJ
TmzV95         971103.767  123p  Tmz.VSOLJ
TmzV95         981126.749  121p  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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