Pre-discovery detection of the M31 nova AT 2021ypn
Abstract
We report pre-discovery detection of the M31 nova AT 2021ypn (PSP21H) discovered by the Xingming Observatory Sky Survey (XOSS) on 2021-09-11.602 UT and classified as a nova by Valcheva et al. (ATel #14913) and Vinokurov et al. (ATel #14919).
- Publication:
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The Astronomer's Telegram
- Pub Date:
- September 2021
- Bibcode:
- 2021ATel14922....1S
- Keywords:
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- Nova