Keck/LRIS Observations of AT2022tsd, a Fast-Rising Optical Transient Coincident with a z=0.256 Galaxy
Abstract
We report Keck/LRIS spectroscopy of a fast-rising optical transient coincident with a galaxy at z=0.256, implying a high peak luminosity (M_g < -20 mag).
- Publication:
-
Transient Name Server AstroNote
- Pub Date:
- September 2022
- Bibcode:
- 2022TNSAN.199....1H
- Keywords:
-
- Transient;
- Optical;
- Spectroscopy;
- 2022tsd;
- AT2022tsd;
- AT 2022tsd;
- 2018cow;
- SN2018cow;
- SN 2018cow;
- 2020mrf;
- SN2020mrf;
- SN 2020mrf