[新闻] This Is SKY & TELESCOPE’s AstroAlert for Extragalactic Supernovae
Issued 7 January, 2003: THE AMERICAN ASSOCIATION OF VARIABLE STAR OBSERVERS
25 Birch Street, Cambridge, MA 02138 USA
INTERNET: aavso@aavso.org
Tel. 617-354-0484 Fax 617-354-0665
AAVSO ALERT NOTICE 299 (January 7, 2003)
SUBJECT: 0242-30B SUPERNOVA 2003B NEAR NGC 1097
0242-30B SUPERNOVA 2003B NEAR NGC 1097 (FORNAX)
Event: Supernova
Discovered By: R. Evans, Hazelbrook, N.S.W. (IAUC No. 8042)
Discovery Magnitude: ~15.0 visual (0.41-m reflector; IAUC No. 8042)
Discovery Date: January 5.5 UT (IAUC No. 8042)
R.A. of NGC 1097 (2000): 02h 46.3m Decl. of NGC 1097 (2000): -30o 17' (IAUC
No. 8042)
Supernova Position: 90" west and 175" north of the nucleus of NGC 1097
(Also see Note 1; IAUC No. 8042)
Spectrum: Resembles that of a type-II supernova <2 - 3 weeks past maximum
(IAUC No. 8042)
AAVSO Chart(s): Thompson & Bryan Supernova Search Chart with the addition
of USNO A2.0 magnitudes
for full 300 dpi image
http://www.aavso.org/charts/FOR/NGC_1097/SN2003B.GIF
for web browser printable image
http://www.aavso.org/cgi-bin/shrinkwrap.pl?path=/charts/FOR/NGC_1097/SN2003B.GIF
Report Object to the AAVSO as: 0242-30B SN 2003B
Observations Reported to the AAVSO: January 06.5100 UT, 15.2:, T. Cragg,
Coonabarabran, N.S.W.
Notes: 1. Evans reports that the supernova is also located 40" due east of the nearby small elliptical galaxy NGC
1097A (IAUC No. 8042).
2. See the full announcement in International Astronomical Union
Circular (IAUC) No. 8042.
SUBMIT OBSERVATIONS TO THE AAVSO
We encourage observers to submit observations via our web site (online data
submission tool WebObs), or by email in AAVSO format to
observations@aavso.org. If you do not have AAVSO Observer Initials, please
contact Headquarters so we may assign them to you. The answering machine at
AAVSO Headquarters is on nights and weekends; use our charge-free number
(888-802-STAR = 888-802-7827) to report your observations, or report them
via fax (617-354-0665).
Many thanks for your valuable astronomical contributions and your efforts.
Good observing!
Kerriann H. Malatesta
Technical Assistant
On behalf of
Janet A. Mattei
Director
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