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SN 2020jfo was a type II supernova in the Messier 61 galaxy. 2020jfo's light reached Earth on May 6, 2020 with an apparent magnitude of 16.01. It is notable for being one of the first supernovae with independent, multi-instrument data collected before, during, and after the explosion.[1] Large astronomical surveys like Transiting Exoplanet Survey Satellite (TESS) and Pan-STARRS have played a role in data collection before and after these events.[2][3][4]

SN 2020jfo
Supernova 2020jfo is the bright star inside the Messier 61 galaxy.
Type II (peculiar)
DateMay 06, 2020
ConstellationVirgo
Right ascension4h 28m 54.05s
Declination12° 21′ 50.480″
EpochJ2000
Distance0.00502 redshift
HostMessier 61
Notable featuresDetailed data on progenitor star in archives
Peak apparent magnitude+16.01
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References


  1. Dvorsky, George (October 22, 2021). "Observations of Exploding Star in 'Real Time' Deemed a Major Step Towards Predicting Supernovas". Gizmodo.
  2. Sollerman, J. (July 30, 2021). "Three Core-Collapse Supernovae with Nebular Hydrogen Emission". arXiv:2107.14503 [astro-ph.HE].
  3. Vallely, P.J.; Kocanek, CS; Stanek, KZ; Fausnaugh, M; Shappee, BJ (February 2021). "High-cadence, early-time observations of core-collapse supernovae from the TESS prime mission". Monthly Notices of the Royal Astronomical Society. 500 (4): 5639–5656. doi:10.1093/mnras/staa3675.
  4. Jones, DO (2021). "The Young Supernova Experiment: Survey Goals, Overview, and Operations". The Astrophysical Journal. 908 (143): 143. arXiv:2010.09724. Bibcode:2021ApJ...908..143J. doi:10.3847/1538-4357/abd7f5. S2CID 224803297.

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