Central Bureau for Astronomical Telegrams

Central Bureau for Astronomical Telegrams -- Image credits

IAUC 6270: SNe

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 6269 SEARCH Read IAUC 6271

View IAUC 6270 in .dvi or .ps format.
IAUC number 

                                                  Circular No. 6270
Central Bureau for Astronomical Telegrams
INTERNATIONAL ASTRONOMICAL UNION
Postal Address: Central Bureau for Astronomical Telegrams
Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A.
IAUSUBS@CFA.HARVARD.EDU or FAX 617-495-7231 (subscriptions)
BMARSDEN@CFA.HARVARD.EDU or DGREEN@CFA.HARVARD.EDU (science)
Phone 617-495-7244/7440/7444 (for emergency use only)


SUPERNOVAE
     The Supernova Cosmology Project [S. Perlmutter, S. Deustua, G.
Goldhaber, D. Groom, I. Hook, A. Kim, M. Kim, J. Lee, J. Melbourne,
C. Pennypacker, and I. Small, Lawrence Berkeley Lab. and the Center
for Particle Astrophysics; A. Goobar, Univ. of Stockholm; R. Pain,
CNRS, Paris;  R. Ellis and R. McMahon, Inst. of Astronomy,
Cambridge; and B. Boyle, P. Bunclark, D. Carter, and M. Irwin,
Royal Greenwich Obs.; with A. V. Filippenko and A. Barth (Univ. of
California, Berkeley) at the Keck telescope; W. Couch (Univ. of
N.S.W.) and M. Dopita and J. Mould (Mt. Stromlo and Siding Spring
Obs.) at the Siding Spring 2.3-m telescope; H. Newberg (Fermi
National Accelerator Lab.) and D. York (Univ. of Chicago) at the
ARC telescope] report eleven supernovae found with the Cerro Tololo
(CTIO) 4-m telescope in their 1995 High Redshift Supernova Search:

SN       1995 UT     R.A.  (2000)  Decl.      R         Offset
1995aq   Nov. 19   0 29 04.26  + 7 51 20.0   22.4   0".6 W, 1".4 S
1995ar   Nov. 19   1 01 20.41  + 4 18 33.8   23.1   2".9 W, 0".5 S
1995as   Nov. 19   1 01 35.30  + 4 26 14.8   23.3   0".7 W, 0".7 N
1995at   Nov. 20   1 04 50.94  + 4 33 53.0   22.7   0".3 W, 0".4 S
1995au   Oct. 29   1 18 32.60  + 7 54 03.5   20.7   1".4 E, 3".3 N
1995av   Nov. 20   2 01 36.75  + 3 38 55.2   20.1   0".2 W, 0".0 N
1995aw   Nov. 19   2 24 55.54  + 0 53 07.5   22.5   0".2 W, 0".2 S
1995ax   Nov. 19   2 26 25.80  + 0 48 44.2   22.6   0".3 W, 0".2 S
1995ay   Nov. 20   3 01 07.52  + 0 21 19.4   22.7   0".9 W, 1".4 S
1995az   Nov. 20   4 40 33.59  - 5 30 03.6   24.0   1".6 W, 1".7 N
1995ba   Nov. 20   8 19 06.46  + 7 43 21.2   22.6   0".1 E, 0".2 N

The spectra (Keck, Nov. 26-28) are consistent with type-I supernovae
(except SN 1995av, a probable type II) at the redshift of the host
galaxy:  z = 0.45, 0.46, 0.49 (preliminary type-I identification),
0.65, 0.16, 0.30, 0.4 (supernova redshift only), 0.61, 0.48, 0.45,
0.39.  Photometry obtained on Nov. 21-23 at CTIO (A. Walker) and
Nov. 23-27 at WIYN (D. Harmer, D. Willmarth) indicates that SNe
1995ar, 1995at, 1995av, 1995aw, 1995ay, and 1995az are now before
or at maximum, while the others are slightly past maximum.  The
previous observations not showing the supernovae (to limiting mag
about 24) were on Oct. 29-30 at the CTIO 4-m (except SN 1995au, on
1994 Sept. 29 at the Kitt Peak 4-m telescope).  Continuing R, I, and
B photometry is important.  Contact saul@LBL.gov for finding charts.


1995 December 6                (6270)            Daniel W. E. Green

Read IAUC 6269 SEARCH Read IAUC 6271

View IAUC 6270 in .dvi or .ps format.

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

Valid HTML 4.01!