Supernova 2001ac in NGC 3504
This page is devoted to information on Supernova 2001ac in NGC 3504 Basic information on this SN, including the last reported brightness, on this Supernova can be found on the main page. Information on the original web pages for many of these images can be found on the Supernova links web page.
This is one of the subluminous type II supernovae, similar to
1997bs,
1999bw and
2000ch.
One of the thoughs on these is that they might be Eta Carini type
outburst.
HST image of NGC 3504.
We have a DSS Photometry reference image made by Odd Trondal.
Icon created from the CROSS image.
The following is a list of images of this SN, in chronological order. Click on the name in the "observer" column to see the image. Times and dates are in UT unless otherwise noted. If you know of any others, please tell me!
| Observer | Date | Mag | Filter | Comments |
|---|---|---|---|---|
| LOTOSS image | 2001/03/12.4 | 18.2 | C | Discovery |
| CROSS image | 2001/03/13 | C | color, local mirror | |
| Arne Danielsen image | 2001/03/17.806 | 17.8 | CR | |
| Pepe Manteca image | 2001/03/18.975 | 18: | C | local mirror |
| Rafael Ferrando image | 2001/03/18.860 | 18.0 | R | |
| Kopernik image | 2001/03/19.159 | 18.5 | C | |
| Odd Trondal image | 2001/03/20.993 | 18: | C | |
| Rafael Ferrando image | 2001/04/23.882 | 19: | C |