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[vsnet-newvar 1132] New Takamizawa variable (TmzV821)
- Date: Tue, 23 Oct 2001 20:17:03 +0900 (JST)
- To: dubois@simbad.u-strasbg.fr, gerard@simbad.u-strasbg.fr, samus@sai.msu.ru, vsnet-newvar
- From: Taichi Kato <tkato>
- Subject: [vsnet-newvar 1132] New Takamizawa variable (TmzV821)
- Cc: vsolj-obs@ooruri.kusastro.kyoto-u.ac.jp
- Sender: owner-vsnet-newvar@kusastro.kyoto-u.ac.jp
New Takamizawa variable (TmzV821)
Kesao Takamizawa (Nagano, Japan) reports the discovery of a new variable
star (TmzV821).
TmzV821
= GSC6908.85 203617.94 -241812.5 (2000.0) 10.98 0
= USNO0600.23370961 203617.832 -241807.19 (2000.0) 10.0 13.8
= USNO0600.23370991 203617.952 -241812.93 (2000.0) 99.9 11.8
= 2MASS 203617.815 -241804.60 (2000.0) 6.070 5.170 4.765
= 2MASS 203617.980 -241813.56 (2000.0) 9.706 9.254 9.092
= IRAS20333-2428 203320.6 -242830 (1950.0)
F12=1.32 F25=0.69 F60=0.40L F100=1.00L
VAR= 0 LRS=-1
possibly IIIa: variable star with more evolved O-rich c.s. shell
or VIb: variable star with relatively hot dust close to
the star and relatively cold dust at large distance
may be O-rich
or VII: variable star with more evolved C-rich circumstellar shell
= 203616.9 -241806 (2000.0) CPD-24.7026 10.2
= 203617.6 -241824 (2000.0) CD-24.16141 9.6
= 203615.8 -241809 (2000.0) FSC20333-2428 1.216 0.649 0.167L 0.535L
= 203617.9 -241803 (2000.0) IRAS20333-2428 1.260 0.682 0.400L 1.000L 0%
= 203617.9 -241803 (2000.0) SSC20333-2428 1.260 0.682 0.400L 1.000L
= 203617.9 -241813 (2000.0) 1122 0.55 TYC6908.85.1 plx=-3.7(51.2) (0.14 0.19)
= 203618.0 -241813 (2000.0) 1151 0.17 TYC2-6908.85.1 (11.52 0.12) (11.72 0.09)
= 203616.9 -241806 (2000.0) CPD-24.7026 10.2
Takamizawa's comment:
The star may be a semiregular variable with a range of 10.4-11.0p.
Photographic magnitude estimates by VSOLJ members
object YYYYMMDD(UT) mag code
TmzV821 19940512.742 104p Tmz.VSOLJ
TmzV821 19940703.665 110p Tmz.VSOLJ
TmzV821 19940803.588 108p Tmz.VSOLJ
TmzV821 19940810.651 105p Tmz.VSOLJ
TmzV821 19940930.540 107p Tmz.VSOLJ
TmzV821 19941127.394 105p Tmz.VSOLJ
TmzV821 19950723.663 105p Tmz.VSOLJ
TmzV821 19951020.433 108p Tmz.VSOLJ
TmzV821 19960815.551 107p Tmz.VSOLJ
TmzV821 19970706.686 106p Tmz.VSOLJ
TmzV821 19971025.518 105p Tmz.VSOLJ
TmzV821 19990708.667 104p Tmz.VSOLJ
TmzV821 20011013.444 106p 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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