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[vsnet-obs 18240] New Takamizawa variable (TmzV101)

New Takamizawa variable (TmzV101)

New Takamizawa variable (TmzV99)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV101).

TmzV101
= GSC6529.2034 064615.37 -262015.8 (2000.0) 13.68 0
= GSC6529.2034 064615.43 -262016.9 (2000.0) 14.00 0
= USNO0600.01988300 064615.388 -262016.36 (2000.0) 11.4 14.5
= IRAS06442-2617 064414.4 -261700 (1950.0)
    F12=1.32  F25=0.58  F60=0.40L F100=1.00L
    VAR=86 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
= 064615.6 -262016 (2000.0) IRAS06442-2617 1.260 0.554 0.400L 1.000L 86%
= 064615.6 -262016 (2000.0) SSC06442-2617 1.260 0.554 0.400L 1.000L
= 064615.8 -262018 (2000.0) FSC06442-2617 1.183 0.530 0.199L 1.036L

   Takamizawa's comment:

  The star may be a Mira-type classification with a range of 12.2-15.0p.

Photographic magnitude estimates by VSOLJ members

object         YYMMDD(UT)   mag  code
TmzV101        940314.497  150p  Tmz.VSOLJ
TmzV101        940402.442  <145p  Tmz.VSOLJ
TmzV101        941203.712  149p  Tmz.VSOLJ
TmzV101        950927.807  <145p  Tmz.VSOLJ
TmzV101        951219.624  125p  Tmz.VSOLJ
TmzV101        961021.760  123p  Tmz.VSOLJ
TmzV101        961206.659  141p  Tmz.VSOLJ
TmzV101        971203.662  148p  Tmz.VSOLJ
TmzV101        971231.571  145p  Tmz.VSOLJ
TmzV101        981115.728  122p  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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