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[vsnet-newvar 1160] Confirmation of variability of NSV15486 (Takamizawa)

Confirmation of variability of NSV15486 (Takamizawa)

   Kesao Takamizawa (Nagano, Japan) reports the detection of a variable star,
which has been identifed with NSV15486.  The variability is confirmed.

NSV15486
= GSC3298.899 022014.50 +481527.8 (2000.0) 10.11 1
= USNO1350.02289858 022014.503 +481527.65 (2000.0)  8.9 15.3
= IRAS02169+4801 021658.6 +480141 (1950.0)
     F12=3.31  F25=1.20  F60=0.40L F100=1.32L
     VAR=19 LRS=-1
  possibly II: variable star with 'young' O-rich circumstellar shell
  or VII: variable star with more evolved C-rich circumstellar shell
= 022014.4 +481527 (2000.0) Q1989/84 9.5 11.4 
= 022014.4 +481527 (2000.0) TAV0216+48 9.5 11.4 
= 022015.0 +481527 (2000.0) HrmV_J022015+481527 11.0 13.5v M 400 - 
= 022014.6 +481525 (2000.0) IRAS02169+4801 3.413 1.199 0.412L 1.377L 19%
= 022014.6 +481525 (2000.0) SSC02169+4801 3.413 1.199 0.412L 1.377L
= 022014.8 +481526 (2000.0) CS334 - 11.4 9.1 -
= 022016.1 +481539 (2000.0) FSC02170+4801 3.236 1.212 0.318 1.766L

  The star may be a semiregular variable with a range of 10.2-10.9p.

Photographic magnitude estimates by VSOLJ members

object         YYYYMMDD(UT)   mag  code
NSV15486       19941102.661  105p  Tmz.VSOLJ
NSV15486       19950127.431  107p  Tmz.VSOLJ
NSV15486       19950320.429  108p  Tmz.VSOLJ
NSV15486       19960922.666  102p  Tmz.VSOLJ
NSV15486       19970613.728  103p  Tmz.VSOLJ
NSV15486       19980116.413  109p  Tmz.VSOLJ
NSV15486       19980629.701  104p  Tmz.VSOLJ
NSV15486       19991128.448  106p  Tmz.VSOLJ
NSV15486       20000902.669  102p  Tmz.VSOLJ
NSV15486       20011023.597  103p  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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