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Circular No. 7543
Central Bureau for Astronomical Telegrams
INTERNATIONAL ASTRONOMICAL UNION
Mailstop 18, Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A.
IAUSUBS@CFA.HARVARD.EDU or FAX 617-495-7231 (subscriptions)
CBAT@CFA.HARVARD.EDU (science)
URL http://cfa-www.harvard.edu/iau/cbat.html ISSN 0081-0304
Phone 617-495-7440/7244/7444 (for emergency use only)
SUPERNOVAE 2000ff, 2000fg, 2000fh, 2000fi, 2000fj, 2000fk, 2000fl
Further to IAUC 7529, L.-G. Strolger reports the discovery of
seven additional apparent supernovae by the Nearby Galaxies
Supernova Search team. Direct confirmations were made by Strolger
and R. C. Smith (Kitt Peak 0.9-m telescope) on Nov. 11-19 and 22
and by P. Candia (Cerro Tololo 0.9-m telescope) on Nov. 18 and 19.
Direct images obtained with various other telescopes indicate that
SN 2000fg had brightened to R about 18.2 on Nov. 28; that SN 2000fh
appeared to be at or near maximum light (R about 19.2) on Dec. 1;
that SN 2000fk appeared to be just past maximum light at R about
19.8 on Dec. 1; and that SN 2000fl appeared to be still rising at R
about 18.8 on Nov. 30.
SN 2000 UT R.A. (2000.0) Decl. R Offset
2000ff Nov. 14 0 45 24.72 - 3 16 47.2 19.5 3" E, 0".2 N
2000fg Nov. 16 1 24 31.36 -10 23 46.2 18.8 1".2 W, 0".8 S
2000fh Nov. 16 4 40 28.66 - 5 10 07.7 20.1 2".8 W, 0".3 N
2000fi Nov. 9 21 52 57.14 - 6 32 53.9 18.2 0".8 E, 2".1 N
2000fj Nov. 13 22 08 52.31 - 4 41 39.5 19.0 0".2 E, 2".0 S
2000fk Nov. 14 23 36 26.00 - 0 23 17.6 20.1 0".2 E, 1".6 N
2000fl Nov. 18 23 46 19.57 - 6 31 03.9 19.8 2".1 W, 1".4 S
R CORONAE BOREALIS
J. A. Mattei, AAVSO, reports that this variable has begun to
fade for the first time since Aug. 1999-Feb. 2000, as indicated by
the following visual magnitude estimates: Nov. 15.90 UT, 6.1 (G.
Chaple, Jr., Townsend, MA); 16.73, 6.3 (G. Poyner, West Midlands,
England); 22.73, 6.4 (R. J. Bouma, Groningen, The Netherlands);
25.70, 6.7 (S. Baroni, Milan, Italy); Dec. 1.20, 7.0 (T. Lange,
Bovenden, Germany); 6.45, 7.0 (Chaple); 7.22, 7.6 (Bouma); 10.14,
8.1 (B. Andresen, Norway); 12.13, 9.0 (B. Granslo, Oslo, Norway);
13.45, 9.5 (Chaple); 14.70, 10.3 (Bouma).
COMET 41P/TUTTLE-GIACOBINI-KRESAK
This comet appears to be continuing its rapid brightening (cf.
IAUC 7536), as indicated by the following m_1 estimates: Dec. 5.82
UT, 11.1 (S. Yoshida, Ibaraki, Japan, 0.25-m reflector; visual);
6.52, 11.4 (A. Hale, Cloudcroft, New Mexico, 0.41-m reflector;
visual); 15.83, 8.7 (K. Kadota, Ageo, Saitama, Japan, 0.18-m
reflector + CCD; 3' coma and 16' tail).
(C) Copyright 2000 CBAT
2000 December 15 (7543) Daniel W. E. Green
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