Sziasztok!

A CBET 2523 szerint Vinkó Józsiek egy 17,4 magnitudós szupernóvát
fedeztek fel a ROTSE-IIIc 45 centis namíbiai távcsövével még szept.
20-án készített felvételen.

Gratula!

****


                                                  Electronic Telegram No. 2523
Central Bureau for Astronomical Telegrams
INTERNATIONAL ASTRONOMICAL UNION
CBAT Director:  Daniel W. E. Green; Hoffman Lab 209; Harvard University;
20 Oxford St.; Cambridge, MA  02138; U.S.A.
e-mail:  cbatiau@eps.harvard.edu (alternate cbat@iau.org)
URL http://www.cbat.eps.harvard.edu/index.html
Prepared using the Tamkin Foundation Computer Network


SUPERNOVA 2010jd
     W. Zheng, University of Michigan; J. Vinko, University of Szeged; R.
Quimby, California Institute of Technology; N. Whallon, A. Romadan, Y. Chen,
C. Akerlof, S. B. Pandey, and F. Yuan, University of Michigan; and J. C.
Wheeler and E. Chatzopoulos, University of Texas, on behalf of the ROTSE
collaboration, report the discovery of an apparent supernova (first announced
at website URL http://www.astronomerstelegram.org/?read=2936) of mag about
17.4 in unfiltered images taken on Sept. 20.99 UT with the 0.45-m ROTSE-IIIc
telescope at the H.E.S.S. site in Namibia.  The new object is located at R.A.
= 3h37m22s.20, Decl. = -33o02´39".7 (equinox 2000.0; uncertainty about 1"),
which is 5".1 west and 4".5 south of the center of the presumed host galaxy
2MASX J03372260-3302350 (which hosted the type-Ia supernova 1990Y; cf. IAUC
5083).  No source was detected at this position in ROTSE-IIIc images taken
on Sept. 9 and earlier (limiting mag 19.5).  Additional approximate ROTSE
magnitudes for 2010jd:  Sept. 21.99, 17.4; Oct. 2.06, 17.3; 11.02, 17.6;
13.02, 17.7.

     M. Ergon, Stockholm University; S. Benetti, F. Bufano, Istituto
Nazionale di Astrofisica, Osservatorio di Padova; A. Pastorello, Queen´s
University, Belfast; and J. Sollerman, Stockholm University, on behalf of
a larger collaboration, report that a spectrogram of 2010jd, obtained on
Oct. 30.22 UT with the European Southern Observatory´s New Technology
Telescope (+ EFOSC2; range 370-920 nm; resolution 2.8 nm) is consistent
with that of a type-Ia supernova about one month old.


NOTE: These ´Central Bureau Electronic Telegrams´ are sometimes
      superseded by text appearing later in the printed IAU Circulars.

                         (C) Copyright 2010 CBAT
2010 November 3                  (CBET 2523)              Daniel W. E. Green


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