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SN 2003gd in M74, prediscovery: SN2003gd 20030611.12 13.65:C KLO The UCB team reported the Keck-I spectrum of several SNe or related objects taken on June 29. SN 2003gg: In [vsnet-campaign-sn 648] (June 28): >SN2003gg 20020709.4 <190:C KAI >SN2003gg 20030627.4 185:C KAI >SN2003gg 20030628.4 185:C KAI > ># SN 2003gg (20:28:10.68, -18:17:32.4 (J2000.0), offset = 6"W, 3"S) is ># hosted by IC 1321, a barred-spiral ((R')SB(r)bc) galaxy. The ># expected maximum for typical SN Ia is mag about 16.6. It is a type II SN, 1-2 months afger the explosion. Possible nova in NGC 6822: In [vsnet-campaign-sn 630] (June 5): >NGC6822nova2003 20020904.3 <200:C KAI >NGC6822nova2003 20030528.4 190:C KAI >NGC6822nova2003 20030603.4 192:C KAI > ># This object (19:45:04.18, -14:45:46.5) is located about 1"W and 3"N ># of a foregreound star of mag about 18.5. NGC 6822 is a dwarf ># irregular (IB(s)m) galaxy in the local group (Barnard's galaxy). ># Its distance is comparable to that of Andromeda galaxy. The ># absolute magnitude at discovery is about -5.0, so it can be a nova ># past maximum. It is a very late M-type star (red supergiant) in NGC 6822. new variable (?) near UGC 10700: In [vsnet-campaign-sn 644] (June 20): >SN2003-UGC10700 20030617.4 <195:C KAI >SN2003-UGC10700 20030617.4 165:C KAI >SN2003-UGC10700 20030618.4 165:C KAI > ># UGC 10700 is an apparent spiral galaxy, nearly edge on. The new ># object is located at 17:06:06.12, +25:51:53.3 (J2000.0), offset = ># 52"E, 80"S from the nucleus of UGC 10700. The recession velocity of ># the galaxy is not entried in the NED, but the apparent size of it ># suggests that the new object is somewhat far as the associated ># object to the galaxy. This object is a Galactic cataclysmic variable. SN 2003ds: In [vsnet-campaign-sn 606] (Apr. 23) >SN2003ds 20030325.3 <195:C KAI >SN2003ds 20030414.3 180:C KAI >SN2003ds 20030419.3 185:C KAI > ># SN 2003ds (10:18:58.35, +46:27:15.5 (J2000.0), offset = 4"E, 1"N) is ># hosted by NGC 3191, a barred-spiral (SB(s)bc pec) galaxy. NGC 3191 ># has produced SN Ia 1988B, which was discovered at mag about 15.5, ># but it was probably overestimated. The expected maximum for typical ># SN Ia is mag about 17. In [vsnet-campaign-sn 614] (May 4): >># SN 2003ds (10:18:58.35, +46:27:15.5 (J2000.0), offset = 4"E, 1"N) is >># hosted by NGC 3191, a barred-spiral (SB(s)bc pec) galaxy. > > The host galaxy of SN 2003ds is not NGC 3191, but MCG +08-19-17 = >KUG 1015+467, a compact galaxy with a UV excess. It is located about >1' west of NGC 3191. The position of SN 2003ds is accurate, and the >offset given above was from the nucleus of MCG +08-19-17. This object is type Ic SN. SN 2003ev: In [vsnet-campaign-sn 632] (June 06): > The Las Campanas spectrum taken on June 4.19 shows a red continuum >with broad undulations. Observed features consistent with a highly >reddened young SN Ic, but the firm classification needs additional >observation, the reporters (M. Hamuy and M. Phillips) said. It is confirmed to be a type Ic SN. SN 2003fd: In [vsnet-campaign-sn 635] (June 11): >SN2003fd 20030420.0 <200:C Puc >SN2003fd 20030528.2 <195:C KAI >SN2003fd 20030609.2 178:C KAI >SN2003fd 20030610.175 174:C Puc >SN2003fd 20030610.2 178:C KAI > ># SN 2003fd (13:41:43.70, +40:52:38.5 (J2000.0, the KAIT measurement), ># offset = 16"E, 9"N) is hoted by UGC 8670, a distant spiral (SABd) ># galaxy. The expected maximum for typical SN Ia is consistent with ># the discovery magnitude. It is turned out to be a type Ia SN, about 2 weeks after the maximum light. So, the discovery is made when it was near the maximum. Sincerely Yours, Hitoshi Yamaoka, Kyushu Univ., Japan yamaoka@rc.kyushu-u.ac.jp
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