Searching for Supernovae



Since 1998, I’ve had the privilege of working with Tim Puckett and the Puckett Observatory Supernova Search, looking for exploding stars in distant galaxies. Each clear night, Tim remotely runs several automated telescopes at his observatory in the mountains of North Georgia, imaging over 1,000 galaxies in the course of an evening. The next day, volunteers like myself analyze the images, comparing them with those in our archives, seeking out the “new stars”.

Supernovae help astronomers understand the life and death processes of stars. Furthermore, type I-a supernovae are extremely valuable as “standard candles” to measure the expansion and acceleration rates of our universe.

Below are my 24 discoveries to date.

Links to IAU circulars may not be immediately available. Images by Tim Puckett.

Image
Designation
Galaxy
Date
Magnitude
Type
IAUC/CBET
2011bd NGC 6473 2011-Mar-4 16.0 Ia CBET 2685
2008hy IC 334 2008-Dec-6 14.3 Ia CBET 1608
2006cm UGC 11723 2006-May-24 16.6 Ia IAUC 8716
2006R NGC 6142 2006-Jan-26 17.5 Ia IAUC 8664
2005cc NGC 5385 2005-May-19 17.7 Ia IAUC 8534
2005bl NGC 4070 2005-Apr-18 18.8 Ia IAUC 8515
2005bo NGC 4708 2005-Apr-17 15.3 Ia IAUC 8514
2003gq NGC 7407 2003-Jul-24 17.6 Ia-p IAUC 8168
2003ge NGC 6122 2003-Jun-21 17.8 Ia IAUC 8154
2003K IC 1129 2003-Jan-11 15.4 Ia IAUC 8048
2003I IC 2481 2003-Jan-9 17.6 Ib IAUC 8046
2003D MCG-01-25-9 2003-Jan-6 17.5 Ia-p IAUC 8043
2002gd NGC 7537 2002-Oct-5 16.7 II IAUC 7986
2002dl UGC 11994 2002-Jun-16 17.7 Ia-p? IAUC 7920
2002ch Anon. 2002-Apr-16 18.4 II IAUC 7879
2002bp UGC 6332 2002-Mar-8 18.6 ? IAUC 7847
2002au UGC 5100 2002-Feb-8 17.7 Ia? IAUC 7823
2000ew NGC 3810 200-Nov-28 14.9 Ic IAUC 7530
2000ci NGC 6470 2000-May-12 18.1 ? IAUC 7424
2000au MCG+08-15-14 2000-Mar-28 17.9 II IAUC 7389
1999fz UGC 8164 1999-Nov-18 15.2 Ia IAUC 7314
1999dj UGC 1258 1999-Aug-8 17.8 II IAUC 7274
1999di NGC 776 1999-Aug-8 18.0 Ib IAUC 7274
1998cr Anon. 1998-Jun-28 17.5 ? IAUC 6956