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[vsnet-newvar 1208] New Takamizawa variable (TmzV878)

New Takamizawa variable (TmzV878)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV878).

TmzV878
= GSC4050.2565 022032.77 +623201.8 (2000.0) 12.31 1
= USNO1500.02354507 022032.802 +623202.05 (2000.0) 11.4 20.9
= IRAS02167+6218 021646.1 +621817 (1950.0)
     F12=3.31  F25=1.00  F60=5.25L F100=36.30L
     VAR= 9 LRS=-1
  possibly I: oxygen-rich non-variable star without 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
= 022032.4 +623202 (2000.0) MSX5C_G133.0038+01.4176 -33 -17 4 2 2 -5 V(%):-:-:0:2:3:-
= 022032.5 +623201 (2000.0) IRAS02167+6218 3.261 0.989 5.247L 35.420L 9%
= 022032.5 +623201 (2000.0) SSC02167+6218 3.261 0.989 5.247L 35.420L
= 022032.7 +623201 (2000.0) CS330 - 10.9: 9.4 -
= 022036.0 +623059 (2000.0) C(Buscombe) V=12.2 - -

  Takamizawa's comment:

  The star may be a semiregular variable with a range of 11.7-13.8p.

Photographic magnitude estimates by VSOLJ members

object         YYYYMMDD(UT)   mag  code
TmzV878        19950127.432  131p  Tmz.VSOLJ
TmzV878        19951127.538  135p  Tmz.VSOLJ
TmzV878        19960922.656  138p  Tmz.VSOLJ
TmzV878        19970613.737  117p  Tmz.VSOLJ
TmzV878        19980116.420  126p  Tmz.VSOLJ
TmzV878        19991128.440  124p  Tmz.VSOLJ
TmzV878        20000902.678  137p  Tmz.VSOLJ
TmzV878        20011023.605  123p  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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