Nova M31 2008-12a
This page is devoted to information on recurrent Nova M31 2008-12a in M31. Basic information on this nova, 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 links web page.
Discovered by
Koichi Nishiyama and Fujio Kabashima
(Japan).
This one is a Type FeII recurrent nova.
There is roughly 1 year between eruptions.
There have reports of outburst in 2008, 2011, 2012, 2014, and 2016.
It finally got an AT name:
AT2023yvj.
We have a Photometry reference image
made by Odd Trondal.
The following is a list of images of this SN, in chronological order. Click on the name in the "Image Credit" column to see the image. Times and dates are in UT unless otherwise noted. If you know of any others, please tell me!
| Image Credit | Date | Mag | Filter | Comments |
|---|---|---|---|---|
| Koichi Nishiyama and Fujio Kabashima | 2008/12/26.481 | Discovery | ||
| Fujio Kabashima | 2010/11/20.503 | 17.26 | C | |
| Stanislav Korotkiy and Leonid Elenin | 2011/10/22.456 | 20.0 | R | Nova M31 2011-10e |
| Kamil Hornoch | 2011/10/23.121 | 18.18 | R | |
| Kamil Hornoch | 2011/10/26.969 | 21.1 | V | |
| Thomas Langhans | 2011/11/26.331 | > 20.0 | ||
| Koichi Nishiyama and Fujio Kabashima | 2012/10/18.684 | 18.9 | U | Nova M31 2012-10a |
| Kamil Hornoch | 2012/10/22 | |||
| Marc Serrau | 2014/10/03.000 | 18.4 | CR | |
| Joseph Brimacombe | 2014/10/05.423 | 21.4 | C | 2014 outburst |
| Marc Serrau | 2014/10/03 | 18.8 | R | |
| Marc Serrau | 2014/10/03 | 18.8 | R | |
| K. Itagaki | 2016/12/12.488 | 18.2 | U | 2016 outburst |
| Andrea Mantero | 2016/12/12.936 | 18.0 | V | |
| Peter W. Erdman | 2016/12/16 | U | ||
| Peter W. Erdman | 2018/11/07.139 | U | ||
| Koichi Itagaki | 2018/11/07.455 | 19.5 | CV | |
| Yasuo Sano | 2018/11/07.463 | 18.7 | C | |
| Marc Serrau | 2018/11/07.783 | 19.6: | CR | |
| Cedric Raguenaud | 2018/11/07.879 | 18.46 | CV | |
| Arto Oksanen | 2019/11/05.791 | C | ||
| Darnley et al. | 2020/10/31.314 | 18.48 | C | 2020 outburst |
| Koichi Itagaki | 2020/10/31.384 | 18.3 | CV | |
| Marc Serrau | 2020/10/31.820 | 18.8: | CR | |
| Marc Serrau | 2020/10/31.844 | 18.4: | R | |
| Marc Serrau | 2020/10/31.901 | 19.4: | I | |
| Marc Serrau | 2020/10/31.943 | 19.2: | V | |
| Joel Nicolas | 2020/11/14.907 | C | ||
| Koichi Itagaki | 2021/11/14.379 | 18.7 | CV | |
| T. Noguchi | 2021/11/14.463 | 18.3 | C | |
| Carlos Segarra | 2021/11/14.833 | 18.5 | C | |
| Marc Serrau | 2021/11/16.942 | 20.3 | C | |
| Marc Serrau | 2021/11/17.764 | > 20.4 | C | |
| Toshihide Noguchi | 2022/12/02.351 | 18.6 | C | |
| Las Cumbres Observatory | 2022/12/02.827 | 19.2 | C | 2022 outburst |
| Toshihide Noguchi | 2022/12/03.343 | 18.6 | U | |
| Marc Serrau | 2022/12/06 | 20.5 | C | |
| XOSS image | 2023/12/05.546 | 18.6 | C | 2023 outburst |
Light curves and Spectra:
