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[vsnet-newvar 1340] New Takamizawa variable (TmzV941)

New Takamizawa variable (TmzV941)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV941).

TmzV941
= GSC4025.254 005742.70 +640835.0 (2000.0) 12.14 1
= USNO1500.01009208 005742.724 +640835.38 (2000.0) 12.8 16.4
= IRAS00545+6352 005435.0 +635217 (1950.0)
     F12=2.09  F25=1.00  F60=0.44L F100=3.02L
     VAR=39 LRS=-1
  possibly II: variable star with 'young' O-rich 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
= 005741.9 +640829 (2000.0) IRAS00545+6352 2.150 1.035 0.436L 2.949L 39%
= 005741.9 +640829 (2000.0) SSC00545+6352 2.150 1.035 0.436L 2.949L
= 005741.9 +640836 (2000.0) MSX5C_G123.6147+01.2801 -22 -11 2 2 1 -2 V(%):-:-:1:1:-:-

  Takamizawa's comment:

  The star may be a semiregular variable with a range of 12.4-13.4p.

Photographic magnitude estimates by VSOLJ members

object         YYYYMMDD(UT)   mag  code
TmzV941        19950120.474  124p  Tmz.VSOLJ
TmzV941        19970517.718  126p  Tmz.VSOLJ
TmzV941        19970703.727  127p  Tmz.VSOLJ
TmzV941        19980116.397  127p  Tmz.VSOLJ
TmzV941        19980823.617  132p  Tmz.VSOLJ
TmzV941        19981011.414  130p  Tmz.VSOLJ
TmzV941        19990105.447  134p  Tmz.VSOLJ
TmzV941        20000529.751  128p  Tmz.VSOLJ
TmzV941        20001216.393  127p  Tmz.VSOLJ
TmzV941        20010520.749  125p  Tmz.VSOLJ
TmzV941        20011116.528  130p  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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