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[vsnet-newvar 1153] Confirmation of variability of NSV15484 (Takamizawa)

Confirmation of variability of NSV15484 (Takamizawa)

   Kesao Takamizawa (Nagano, Japan) reports the detection of a variable star,
which has been identifed with NSV15484.  The variability is confirmed.

NSV15484
= GSC1773.343 021929.40 +280412.5 (2000.0) 13.06 1 N
= USNO1125.00757228 021929.483 +280413.01 (2000.0) 11.6 15.1
= 2MASS 021929.368 +280412.61 (2000.0)  6.330  0.000  5.064
= 2MASS 021929.368 +280412.61 (2000.0)  6.330  0.000  5.064
= IRAS02165+2750 021635.1 +275023 (1950.0)
    F12=1.20  F25=0.63  F60=0.40L F100=1.00L
    VAR=10 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
= 021928.2 +280407 (2000.0) FSC02165+2750 1.242 0.583 0.176L 0.632L
= 021928.8 +280408 (2000.0) IRAS02165+2750 1.253 0.630 0.400L 1.000L 10%
= 021928.8 +280408 (2000.0) SSC02165+2750 1.253 0.630 0.400L 1.000L

  The star may be a semiregular variable with a range of 12.5-13.8p.

Photographic magnitude estimates by VSOLJ members

object         YYYYMMDD(UT)   mag  code
NSV15484       19940705.717  131p  Tmz.VSOLJ
NSV15484       19940803.679  133p  Tmz.VSOLJ
NSV15484       19941102.652  136p  Tmz.VSOLJ
NSV15484       19950127.416  138p  Tmz.VSOLJ
NSV15484       19950320.437  135p  Tmz.VSOLJ
NSV15484       19950921.616  133p  Tmz.VSOLJ
NSV15484       19951217.524  130p  Tmz.VSOLJ
NSV15484       19960110.428  136p  Tmz.VSOLJ
NSV15484       19960815.634  136p  Tmz.VSOLJ
NSV15484       19970706.703  132p  Tmz.VSOLJ
NSV15484       19970830.647  129p  Tmz.VSOLJ
NSV15484       19971203.519  129p  Tmz.VSOLJ
NSV15484       19980629.710  125p  Tmz.VSOLJ
NSV15484       19981112.539  130p  Tmz.VSOLJ
NSV15484       19990709.706  136p  Tmz.VSOLJ
NSV15484       19991128.456  127p  Tmz.VSOLJ
NSV15484       20000902.694  125p  Tmz.VSOLJ
NSV15484       20011023.588  132p  Tmz.VSOLJ

Observer's code:
  Tmz: K.Takamizawa (Saku-machi,Nagano,Japan)
       SASS (Saku All Sky Survey)
       Inst.: 10cmR F4 twin patrol cameras and 25cm F2.8
       Baker-Schmidt camera T-Max400 120
       Comparison stars mag.:GSC

Relayed from Kesao Takamizawa <k-takamizawa@nifty.ne.jp>

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