This is a nice bright type Ia found early.
We have a DSS Photometry reference image made by Odd Trondal.
Icon created from the LOTOSS discovery image.
Supernova 2001ay in IC 4423
This page is devoted to information on Supernova 2001ay in IC 4423 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 a nice bright type Ia found early.
We have a DSS Photometry reference image made by Odd Trondal.
Icon created from the LOTOSS discovery 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 | 2001/04/18.4 | 16.9 | C | Discovery |
| R. Poncy image | 2001/04/20.0 | C | ||
| D Lefoulon image | 2001/04/20.940 | 16.4 | CR | |
| Peter Nugent image | 2001/04/21.241 | C | ||
| Rafael Ferrando image | 2001/04/21.982 | 15.87 | CR | |
| JM Llappasset image | 2001/04/22.103 | 16.5 | C | |
| Odd Trondal image | 2001/04/22.917 | 16.2 | C | |
| Diego Rodriguez image | 2001/04/23.950 | 16.6 | C | |
| Horvath, Tuboly image | 2001/04/24 | C | ||
| Mitja Siska and Peter Mihor image | 2001/04/24.934 | 16.6 | C | |
| R. Roy image | 2001/04/26.950 | C | ||
| Yasuo Sano image | 2001/04/27.584 | 16.42 | CR | |
| CfA image | 2001/04/27 | C | ||
| Kereszty Zsolt image | 2001/04/27.954 | 15.1 | C | |
| JM Llappasset image | 2001/04/28.078 | 16.3 | CR | |
| Gianluca Masi image | 2001/04/28.986 | 16.4 | R | |
| Fred Ewalt image | 2001/04/29.125 | 16.14 | R | |
| John N. Gretchen III image | 2001/04/29.4 | 16.6 | C | color version |
| Arne Danielsen image | 2001/04/29.929 | 16.4: | CR | |
| Yasuo Sano image | 2001/05/01/496 | 16.48 | CR | |
| D. Lefoulon image | 2001/05/01.930 | 16.7 | CR | |
| Arne Danielsen image | 2001/05/01.990 | 16.6: | CR | |
| JM Llappasset image | 2001/05/08.879 | 16.8 | CR | |
| Odd Trondal image | 2001/05/08.931 | 16.8 | C | |
| Claudine Rinner image | 2001/05/11.799 | 16.4 | CR | |
| JM Llappasset image | 2001/05/12.927 | 16.9: | CR | |
| Eric Barbotin image | 2001/05/20.031 | C | ||
| Jean Benoit De Vanssay image | 2001/05/22.038 | 17.4 | CR | |
| Kevin Krisciunas image | 2001/05/23.147 | 17.53 0.97 | V B-V | |
| Enrico Prosperi | 2001/06/24 | C | ||
| Enrico Prosperi | 2001/06/24 | C |