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[vsnet-obs 23611] New Takamizawa variable (TmzV574)
- Date: Tue, 5 Oct 1999 21:51:02 +0900 (JST)
- To: dubois@simbad.u-strasbg.fr, gerard@simbad.u-strasbg.fr, samus@sai.msu.ru, vsnet-obs
- From: Taichi Kato <tkato>
- Subject: [vsnet-obs 23611] New Takamizawa variable (TmzV574)
- Cc: vsolj-obs@ooruri.kusastro.kyoto-u.ac.jp
- Sender: owner-vsnet-obs@kusastro.kyoto-u.ac.jp
New Takamizawa variable (TmzV574)
Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV574).
TmzV574
= GSC4257.1780 213202.90 +650946.2 (2000.0) 13.24 1
= USNO1500.08200394 213202.926 +650946.05 (2000.0) 12.1 16.7
= IRAS21309+6456 213056.2 +645628 (1950.0)
F12=2.51 F25=1.32 F60=0.48L F100=13.18L
VAR= 4 LRS=-1
possibly IIIa: variable star with more evolved O-rich c.s. shell
or VII: variable star with more evolved C-rich circumstellar shell
= 213203.2 +650946 (2000.0) IRAS21309+6456 2.554 1.304 0.477L 13.450L 4%
= 213203.2 +650946 (2000.0) SSC21309+6456 2.554 1.304 0.477L 13.450L
Takamizawa's comment:
The star may be a semiregular variable with a range of 13.1-13.8p.
object YYMMDD(UT) mag code
TmzV574 970827.540 134p Tmz.VSOLJ
TmzV574 971218.437 138p Tmz.VSOLJ
TmzV574 980823.563 138p Tmz.VSOLJ
TmzV574 980916.530 131p Tmz.VSOLJ
TmzV574 981107.440 132p Tmz.VSOLJ
TmzV574 990709.574 135p Tmz.VSOLJ
TmzV574 990807.594 134p 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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