[vsnet-newvar 1168] New Takamizawa variable (TmzV853)

[Taichi Kato <tkato>]

New Takamizawa variable (TmzV853)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV853).

TmzV853
= GSC3689.1766 020144.10 +552236.5 (2000.0) 13.21 1
= USNO1425.02858022 020144.133 +552236.20 (2000.0) 11.6 16.0
= IRAS01583+5508 015822.0 +550806 (1950.0)
     F12=7.58  F25=4.36  F60=0.69  F100=5.75L
     VAR= 5 LRS=-1
     IIIa: variable star with more evolved O-rich c.s. shell
= 020143.8 +552233 (2000.0) IRAS01583+5508 7.658 4.545 0.713 5.689L 5%
= 020143.8 +552233 (2000.0) SSC01583+5508 7.658 4.545 0.713 5.689L

  Takamizawa's comment:

  The star may be a semiregular variable with a range of 12.8-13.7p.

Photographic magnitude estimates by VSOLJ members

object         YYYYMMDD(UT)   mag  code
TmzV853        19950127.424  135p  Tmz.VSOLJ
TmzV853        19960922.666  133p  Tmz.VSOLJ
TmzV853        19970613.728  128p  Tmz.VSOLJ
TmzV853        19980116.413  133p  Tmz.VSOLJ
TmzV853        19980629.701  131p  Tmz.VSOLJ
TmzV853        19991128.448  132p  Tmz.VSOLJ
TmzV853        20000902.678  137p  Tmz.VSOLJ
TmzV853        20011023.605  135p  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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