Electronic Telegram No. 3817
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 2014V IN NGC 3905
     S. J. Smartt, K. W. Smith, D. Wright, D. R. Young, R. Kotak, M. Nicholl,
J. Polshaw, C. Inserra, T.-W. Chen, G. Terreran, E. Gall, M. Fraser, and M.
McCrum, Queen's University, Belfast; S. Valenti, Las Cumbres Observatory
Global Telescope (LCOGT); R. Foley, University of Illinois; A. Lawrence,
University of Edinburgh; S. Gezari, University of Maryland; W. Burgett, K.
Chambers, M. Huber, R. P. Kudritzki, E. Magnier, J. Morgan, J. Tonry, W.
Sweeney, and C. Waters, Institute for Astronomy, University of Hawaii; C.
Stubbs and R. Kirshner, Harvard-Smithsonian Center for Astrophysics; N.
Metcalfe and P. Draper, University of Durham; and A. Rest, Space Telescope
Science Institute (STScI), report the discovery of a supernova (magnitude r
= 18.4) in the Pan-STARRS1 3pi Survey on an image obtained on Feb. 21.54 UT.
The new object is located at R.A. = 11h49m06s.20, Decl. = -9d43'33".7
(equinox 2000.0).  Images for the variable have been posted at website URL
http://star.pst.qub.ac.uk/ps1threepi/psdb/candidate/1114906200094333700/.
The type-Ia supernovae 2001E and 2009ds also appeared on NGC 3905.

     N. Walton, N. Blagorodnova, Heather Campbell, and M. Fraser, Institute of
Astronomy; A. De Cia, Weizmann Institute for Science; Nancy Elias-Rosa,
Osservatorio Astronomico di Padova, Istituto Nazionale di Astrofisica (INAF);
S. Benetti and A. Pastorello, Osservatorio Astronomico di Padova, INAF; R.
Kotak, C. Inserra, S. Smartt, K. Smith, D. Wright, and D. Young, Queen's
University, Belfast; M. Sullivan, University of Southampton; S. Taubenberger,
Max-Planck-Institut fuer Astrophysik, Garching; S. Valenti, LCOGT; O. Yaron
and A. Gal-Yam, Weizmann Institute for Science; C. Knapic, R. Smareglia, and
M. Molinaro, Trieste Astronomical Observatory, INAF; and Ilan Manulis,
Weizmann Institute for Science, on behalf of the PESSTO collaboration (cf.
website URL http://www.pessto.org), obtained an optical spectrum (range
360-910 nm) at the New Technology Telescope (+ EFOSC2) of 2014V on Feb. 23.39
UT.  The spectrum revealed a blue continuum with broad H_alpha and H_beta in
emission, leading them to conclude that 2014V is a young type-II supernova at
redshift z = 0.01926 (that of NGC 3905; from de Vaucouleurs et al. 1991, Third
Ref. Cat. of Bright Galaxies, version 3.9; via NED).


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      superseded by text appearing later in the printed IAU Circulars.

                         (C) Copyright 2014 CBAT
2014 March 4                     (CBET 3817)              Daniel W. E. Green