SN2003gu 20030721.0 <185C ARM SN2003gu 20030803.051 172C ARM SN2003gu 20030803.965 172C ARM # SN 2003gu (23:02:59.45, +34:43:19.6 (J2000.0), offset = 1"E, 18"S) # is hosted by UGC 12331, a dim spiral (S?) galaxy. There is a # foreground star (red mag about 17) at about 19"E and 5"S of the # nucleus of UGC 12331. The expected maximum for typical SN Ia is mag # about 16.3. SN 2003gh: In [vsnet-campaign-sn 652] (Jul. 1 !) >SN2003gh 20030607.707 <185CR MLF >SN2003gh 20030629.737 157:C MLF >SN2003gh 20030630.694 156C MLF > ># SN 2003gh (7:45:17.93, -71:24:37.3 (J2000.0), offset about 6"E) ># is hosted by NGC 2466, a face-on spiral (SA(s)c:) galaxy. There is ># a foreground star (mag about 16-7) superimposed on the eastern arm. ># The position end figures of this star is about 18s.5, 33".1. The ># magnitude at discovery is consistent with (or slightly brighter ># than) the expected maximum of typical SN Ia. ># ># Additionally, on the DSS I-band image (taken on 1989 Dec. 17), the ># central region of NGC 2466 appeared to elongated to the east, as if ># an apparent supernova existed at the position end figures 16s.73, ># 38".0. This region is overexposed on the DSS images on other bands, ># so it is not certain that it is a transient or a permanent. Berto's ># image will be helpful. A spectrum taken with Baade telescope on Jul. 31.44 revealed that it is really a type Ia SN, about a month after maximum light. The latter source I quoted was possibly a foreground red star, because it is clearly detected on 2MASS public images. SN 2003gi: In [vsnet-campaign-sn 653] (Jul. 2 !) >SN2003gi 20030429.134 <180:C MLF >SN2003gi 20030517.108 156:C MLF >SN2003gi 20030601.103 162:C MLF > ># SN 2003gi (0:38:32.67, -24:20:33.5 (J2000.0), offset = 1"E, 9"S) is ># hosted by IC 1561, a barred-spiral (SBb) galaxy which is a member of ># a IC 1562 group = KTS 05. The expected maximum for typical SN Ia is ># mag about 15.3. A spectrum taken with Baade telescope on Jul. 31.32 revealed that it is also a type Ia SN, around 2.5 months after maximum. SN 2003gr: In [vsnet-campaign-sn 661] (Jul. 28): >SN2003gr 20021029.2 <190:C KAI >SN2003gr 20030727.5 163:C KAI >SN2003gr 20030728.5 164:C KAI > ># SN 2003gr (23:38:12.67, -20:46:56.0 (J2000.0), offset = 6"W, 1"N) is ># hosted by MCG -04-55-14, a barred-spiral (SB(s)a) galaxy. The ># expected maximum for typical SN Ia is consistent with the discovery ># magnitude. The Baade spectrum taken on July 31.31 revealed that it is truely SN Ia about 10 days after maximum. SN2003gs 20030730.33 14.12B LCO SN2003gs 20030730.33 13.46V LCO SN2003gs 20030730.33 13.31I LCO SN2003gs 20030731.27 14.23B LCO SN2003gs 20030731.27 13.48V LCO SN2003gs 20030731.27 13.30I LCO ># SN 2003gs seems to be a subluminous SN Ia near maximum on July 30.4 ># UT. Further magnitude estimates are quite encouraged. # The colour of SN 2003gs also support that it would be a subluminous # SN Ia. The extinction seems to be negligible.
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