[Message Prev][Message Next][Thread Prev][Thread Next][Message Index][Thread Index]

[vsnet-newvar 1189] New Takamizawa variable (TmzV869)

New Takamizawa variable (TmzV869)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV869).

TmzV869
= GSC3688.823 014919.78 +561221.3 (2000.0) 11.92 1
= USNO1425.02529301 014919.810 +561221.26 (2000.0) 11.4 14.8
= IRAS01460+5557 014601.1 +555726 (1950.0)
     F12=0.69  F25=0.23  F60=0.40L F100=7.58L
     VAR=60 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
= 014919.7 +561219 (2000.0) IRAS01460+5557 0.671 0.235 0.400L 7.270L 60%
= 014919.7 +561219 (2000.0) SSC01460+5557 0.671 0.235 0.400L 7.270L
= 014929.7 +561153 (2000.0) DO24829

  Takamizawa's comment:

  The star may be a semiregular variable with a range of 11.7-13.4p.

Photographic magnitude estimates by VSOLJ members

object         YYYYMMDD(UT)   mag  code
TmzV869        19950127.432  119p  Tmz.VSOLJ
TmzV869        19960922.656  121p  Tmz.VSOLJ
TmzV869        19970613.737  118p  Tmz.VSOLJ
TmzV869        19970811.675  118p  Tmz.VSOLJ
TmzV869        19971218.478  134p  Tmz.VSOLJ
TmzV869        19980116.420  122p  Tmz.VSOLJ
TmzV869        19980629.693  124p  Tmz.VSOLJ
TmzV869        19980820.646  118p  Tmz.VSOLJ
TmzV869        19990724.672  124p  Tmz.VSOLJ
TmzV869        19991128.440  118p  Tmz.VSOLJ
TmzV869        20000902.678  117p  Tmz.VSOLJ
TmzV869        20011023.605  120p  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>

VSNET Home Page

Return to Daisaku Nogami

vsnet-adm@kusastro.kyoto-u.ac.jp