IAU Central Bureau for Astronomical Telegrams

Central Bureau for Astronomical Telegrams -- Image credits

IAUC 7975: ANOTHER N IN Sgr; C/2002 S2

The following International Astronomical Union Circular may be linked-to from your own Web pages, but must not otherwise be redistributed (see these notes on the conditions under which circulars are made available on our WWW site).


Read IAUC 7974  SEARCH Read IAUC 7976

View IAUC 7975 in .dvi or .ps format.
IAUC number


                                                  Circular No. 7975
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)


ANOTHER NOVA IN SAGITTARIUS
     Katsumi Haseda, Aichi, Japan, reports his discovery of a
possible nova (mag about 5.0) on Tri-X film taken with a 120-mm
f/3.5 camera lens on Sept. 20.431 UT; Haseda provided an approximate
position for the new star of R.A. = 19h01m08s.5, Decl. =
-22o00'45" (equinox 2000.0).  D. West, Mulvane, KS, reports the
following precise position end figures measured from a CCD exposure
taken on Sept. 21.07:  09s.38, 05".9 (uncertainty +/- 0".75; twenty
GSC 1.1 reference stars).  West adds that nothing is visible at
this location on a Digitized Sky Survey image from 1987.59.  H.
Yamaoka, Kyushu University, and G. Masi, Ceccano, Italy, report
that a USNO-A2.0 star is located at position end figures 09s.321,
06".17 with red mag 16.7 and blue mag 17.0.  Yamaoka adds that the
second-nearest object in the same catalogue is about 7" from West's
position.
     T. Kato, Kyoto University, forwards a report from M. Fujii
(Fujii Bisei Observatory, Okayama, Japan; (via K. Ayani, Bisei
Astronomical Observatory) that a spectrum of this new object, taken
on Sept. 21.44, shows strong Balmer and Fe II emission lines and
confirms that the object is an Fe II-class nova shortly after
maximum; the FWHM of H-alpha emission is 2400 km/s.
     Magnitude estimates, visual unless otherwise noted:  Sept.
19.424, 5.5: (T. Tanaka, Mie, Japan, FinePix S2Pro unfiltered CCD
camera; magnitude estimated by Kato); 19.427, 4.9 (H. Nishimura,
Kakegawa, Shizuoka, Japan, T-Max 400 film; communicated by Kato);
21.07, B = 6.44 (West; CCD); 21.145, 6.1 (J. Garcia, Rama Caida,
Argentina); 21.229, 5.8 (M. Linnolt, Honolulu, HI); 21.267, 5.8 (J.
Bedient, Honolulu, HI); 21.409, 5.8 (Linnolt); 21.33, 5.5 (S. J.
O'Meara, Volcano, HI).


COMET C/2002 S2 (SOHO)
     Further to IAUC 7969, M. Uzzo reports his measurements for a
Kreutz sungrazer found by S. Hoenig on SOHO website C3 coronagraph
images.  The reduced astrometry and orbital elements by B. G.
Marsden appear on MPEC 2002-S17.

     2002 UT           R.A. (2000) Decl.
     Sept.17.571      11 06.7      + 0 39

                      (C) Copyright 2002 CBAT
2002 September 21              (7975)            Daniel W. E. Green

Read IAUC 7974  SEARCH Read IAUC 7976

View IAUC 7975 in .dvi or .ps format.


Our Web policy. Index to the CBAT/MPC/ICQ pages.


Valid HTML 4.01!