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[vsnet-newvar 377] New Takamizawa variable (TmzV742)

New Takamizawa variable (TmzV742)

   Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV742).

TmzV742
= GSC524.1806 205025.09 +060538.1 (2000.0) 10.10 6 N
= GSC524.1806 205025.11 +060537.6 (2000.0) 10.37 1 N
= USNO0900.19235440 205025.110 +060537.69 (2000.0)  9.0 12.1
= IRAS20479+0554 204756.7 +055422 (1950.0)
    F12=39.80  F25=22.90  F60=3.02  F100=1.90 
    VAR=16 LRS=23
    blue, 10micron (silicate) emission, strength=3
    IIIa: variable star with more evolved O-rich c.s. shell
= 205024.4 +060538 (2000.0) TMSS+10479
= 205024.6 +060537 (2000.0) RAFGL2662
= 205024.7 +060539 (2000.0) EIC840
= 205025.1 +060536 (2000.0) IRAS20479+0554 39.300 23.470 3.155 1.952 16% 2(LRS)
= 205025.1 +060536 (2000.0) SSC20479+0554 39.300 23.470 3.155 1.952
= 205025.4 +060541 (2000.0) FSC20479+0554 39.210 23.330 3.583 1.958
= 205025.0 +060538 (2000.0) 1069E 1.92 TYC524.1806.1 plx=-14.2(79.4) (0.09 0.71)
= 205025.0 +060537 (2000.0) 1071 1.70 TYC2-524.1806.1 (10.88 0.07) (12.88 0.26)
= 205026.9 +060421 (2000.0) DO7021

  Takamizawa's comment:

  The star may be a semiregular variable with a range of 10.0-11.0p.

object         YYYYMMDD(UT)   mag  code
TmzV742        19940414.731  104p  Tmz.VSOLJ
TmzV742        19940803.573  107p  Tmz.VSOLJ
TmzV742        19940810.668  110p  Tmz.VSOLJ
TmzV742        19940930.524  110p  Tmz.VSOLJ
TmzV742        19941102.861  109p  Tmz.VSOLJ
TmzV742        19941127.412  108p  Tmz.VSOLJ
TmzV742        19941220.385  108p  Tmz.VSOLJ
TmzV742        19950306.828  108p  Tmz.VSOLJ
TmzV742        19950401.788  107p  Tmz.VSOLJ
TmzV742        19950723.647  107p  Tmz.VSOLJ
TmzV742        19951014.506  102p  Tmz.VSOLJ
TmzV742        19960318.799  103p  Tmz.VSOLJ
TmzV742        19960716.701  100p  Tmz.VSOLJ
TmzV742        19961030.464  103p  Tmz.VSOLJ
TmzV742        19970309.826  103p  Tmz.VSOLJ
TmzV742        19970901.582  109p  Tmz.VSOLJ
TmzV742        19971025.533  107p  Tmz.VSOLJ
TmzV742        19980402.785  109p  Tmz.VSOLJ
TmzV742        19990708.626  110p  Tmz.VSOLJ
TmzV742        20000314.817  109p  Tmz.VSOLJ

Observer's code:
  Tmz: K.Takamizawa (Saku-machi,Nagano,Japan)
       Inst.: 10cmR F4 twin patrol cameras  T-Max400 120
       Comparison stars mag.:GSC

Relayed from Kesao Takamizawa <GHA07243@nifty.ne.jp>

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