SN 2005U:<br>
<br>
This SN was discovered by the Nuclear Supernova Search Campaign
(K-band search in star burst galaxies, Mattila et al.)
<a href="http://cfa-www.harvard.edu/iauc/08400/08473.html#item*"> 
(IAUC 8473)</a> on January 18, 2005, and absent on December 24, 2004, 
so discovered rather young.<br> 
<br>
The host galaxy 
<a href="http://nedwww.ipac.caltech.edu/cgi-bin/nph-objsearch?objname=arp+299&extend=no&out_csys=Equatorial&out_equinox=J2000.0&obj_sort=RA+or+Longitude&of=pre_text&zv_breaker=30000.0&list_limit=5&img_stamp=YES">ARP 229</a> 
is at z=0.010300 (NED).<br>
<br>
Spectrum reported by Modjaz et al. shows this is a young (few weeks from explosion) type II SN.
<br>