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[vsnet-newvar 1141] New Takamizawa variable (TmzV830)

New Takamizawa variable (TmzV830)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV830).

TmzV830
= GSC7464.1239 203301.63 -335529.1 (2000.0) 11.09 0
= USNO0525.35156575 203301.643 -335529.34 (2000.0)  8.3 11.5
= 2MASS 203301.704 -335528.56 (2000.0)  0.000  0.000  0.000
= 203301.9 -335524 (2000.0) CPD-34.8753 9.8
= 203300.8 -335531 (2000.0) IRAS20298-3405 7.983 4.389 0.748 1.000L 11%
= 203300.8 -335531 (2000.0) SSC20298-3405 7.983 4.389 0.748 1.000L
= 203301.1 -335530 (2000.0) FSC20298-3405 7.179 4.387 0.703 0.742L
= 203301.7 -335528 (2000.0) 1025 1.18 TYC7464.1239.1 plx=-123.1(31.6) (0.04 0.09)
= 203301.6 -335527 (2000.0) 1036 1.22 TYC2-7464.1239.1 (10.49 0.04) (11.93 0.09) 
= 203300.9 -335500 (2000.0) CD-34.14457 9.7

  Takamizawa's comment:

  The star may be a semiregular variable  with a range of 9.8-10.8p.

Photographic magnitude estimates by VSOLJ members

object         YYYYMMDD(UT)   mag  code
TmzV830        19940803.592  106p  Tmz.VSOLJ
TmzV830        19940810.644  108p  Tmz.VSOLJ
TmzV830        19940930.544  103p  Tmz.VSOLJ
TmzV830        19941127.394  103p  Tmz.VSOLJ
TmzV830        19950723.663  100p  Tmz.VSOLJ
TmzV830        19950921.518   98p  Tmz.VSOLJ
TmzV830        19951020.433  104p  Tmz.VSOLJ
TmzV830        19960815.559  103p  Tmz.VSOLJ
TmzV830        19970706.694  100p  Tmz.VSOLJ
TmzV830        20011013.435  101p  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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