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[vsnet-newvar 743] Possible Nova in Pup: possible variability of field stars
- Date: Tue, 9 Jan 2001 16:36:59 +0900 (JST)
- To: vsnet-campaign-nova, vsnet-newvar, vsnet-obs
- From: Taichi Kato <tkato>
- Subject: [vsnet-newvar 743] Possible Nova in Pup: possible variability of field stars
- Cc: dubois@simbad.u-strasbg.fr, gerard@simbad.u-strasbg.fr, samus@sai.msu.ru, vsolj-obs@ooruri.kusastro.kyoto-u.ac.jp
- Sender: owner-vsnet-newvar@kusastro.kyoto-u.ac.jp
Possible Nova in Pup: possible variability of field stars
Akira Takao (Kitakyushu-City,Fukuoka-Pref.) reports that the following
two stars in the field of the possible Nova Pup (Kanatsu Object) seem to
show detectable variability on his CCD frames. The constancy of the
comparison (GSC6543.2917) against the check stars (GSC6543.2220, GSC6543.3212)
have been confirmed. Please avoid using these stars as comparisons of
the possible nova, and report magnitudes of these stars to confirm their
variability.
(1)
GSC6543.2476 073758.97 -255202.3 (2000.0) 10.06 0
USNO0600.03990722 073759.019 -255202.74 (2000.0) 11.1 10.6 *
2MASS 073758.986 -255202.49 (2000.0) 7.946 7.701 7.478
073759.4 -255159 (2000.0) CPD-25.2613 9.4
073758.9 -255202 (2000.0) 975Vu 0.74 TYC6543.2476.1 plx=-21.1(18.2) (0.03 0.04)
073758.9 -255201 (2000.0) 979 0.67 TYC2-6543.2476.1 (9.86 0.02) (10.65 0.03)
(2)
GSC6543.2957 073842.83 -254835.9 (2000.0) 11.63 0
USNO0600.04022403 073842.827 -254836.41 (2000.0) 11.1 12.0
2MASS 073842.762 -254835.74 (2000.0) 6.538 5.547 5.277
IRAS07366-2541 073639.8 -254149 (1950.0)
F12=0.44 F25=0.25L F60=0.40L F100=8.31L
VAR=-1 LRS=-1
073842.4 -254830 (2000.0) CD-25.4838 10.0
073844.1 -254843 (2000.0) IRAS07366-2541 0.444 0.250L 0.400L 8.303L -1%
073844.1 -254843 (2000.0) SSC07366-2541 0.444 0.250L 0.400L 8.303L
073842.7 -254835 (2000.0) 1067 1.36 TYC6543.2957.1 plx=-37.7(59.4) (0.10 0.27)
073842.7 -254836 (2000.0) 1065 2.37 TYC2-6543.2957.1 (10.90 0.05) (13.68 0.34)
Observations:
object YYYYMMDD(UT) mag code
GSC6543.2476 20001230.585 94C Toa.VSOLJ
GSC6543.2476 20010105.692 96C Toa.VSOLJ
GSC6543.2476 20010108.722 96C Toa.VSOLJ
GSC6543.2957 20001230.585 93C Toa.VSOLJ
GSC6543.2957 20010105.692 97C Toa.VSOLJ
GSC6543.2957 20010108.722 96C Toa.VSOLJ
instruments:f200mm F4 Telephotolens+ST-8,unfiltered
Relayed from Akira Takao (drtakao@bronze.ocn.ne.jp)
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