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[vsnet-obs 20058] New Takamizawa variable (TmzV320)

New Takamizawa variable (TmzV320)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV320).

TmzV320
= GSC5987.292 073559.85 -195256.6 (2000.0) 12.77 0
= GSC5987.292 073559.88 -195256.8 (2000.0) 12.91 0
= USNO0675.04479739 073559.854 -195256.64 (2000.0)  9.6 12.9
= IRAS07338-1946 073348.4 -194614 (1950.0)
    F12=12.02  F25=4.78  F60=1.00  F100=12.02L
    VAR=48 LRS=15
    blue featureless, spec.index=2.5
    VII: variable star with more evolved C-rich circumstellar shell
= 073558.6 -195249 (2000.0) RAFGL4614S
= 073558.6 -195249 (2000.0) TMSS-20135
= 073600.0 -195257 (2000.0) IRAS07338-1946 11.860 4.992 1.001 12.180L 48% 2(LRS)
= 073600.0 -195257 (2000.0) SSC07338-1946 11.860 4.992 1.001 12.180L
= 073600.0 -195159 (2000.0) M7(III)(Buscombe) - - -

  Takamizawa's comment:

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

Photographic magnitude estimates by VSOLJ members

object         YYMMDD(UT)   mag  code
TmzV320        940314.505  130p  Tmz.VSOLJ
TmzV320        941111.738  121p  Tmz.VSOLJ
TmzV320        950203.546  123p  Tmz.VSOLJ
TmzV320        950927.799  123p  Tmz.VSOLJ
TmzV320        951118.744  119p  Tmz.VSOLJ
TmzV320        951222.685  118p  Tmz.VSOLJ
TmzV320        960211.515  130p  Tmz.VSOLJ
TmzV320        961021.776  124p  Tmz.VSOLJ
TmzV320        961206.707  120p  Tmz.VSOLJ
TmzV320        970103.622  119p  Tmz.VSOLJ
TmzV320        970227.485  129p  Tmz.VSOLJ
TmzV320        971013.791  127p  Tmz.VSOLJ
TmzV320        971103.802  124p  Tmz.VSOLJ
TmzV320        971204.703  120p  Tmz.VSOLJ
TmzV320        971224.641  121p  Tmz.VSOLJ
TmzV320        980121.556  126p  Tmz.VSOLJ
TmzV320        980217.505  130p  Tmz.VSOLJ
TmzV320        980325.461  130p  Tmz.VSOLJ
TmzV320        981115.744  119p  Tmz.VSOLJ
TmzV320        981212.628  122p  Tmz.VSOLJ
TmzV320        990208.557  125p  Tmz.VSOLJ
TmzV320        990404.438  129p  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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