Supernova discovery statistics for 2021
These are supernova stastics for the year 2021.
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Page re-generated at: 2024/04/20.640 UT
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For the year 2021, 23685 supernovae and 49 extragalactic novae were reported. 2299 of these supernovae were named by CBAT, 21383 were given possible supernova designations, and 3 were not reported to CBAT. 172 supernovae were found in NGC/IC galaxies, 14262 were found in named galaxies 88 objects were discovered by amateurs 8 were brighter than 13th Magnitude 107 were brighter than 16th Magnitude 968 were brighter than 18th Magnitude 1850 Type I supernovae were found 1676 Type Ia 5 Type Ia-02cx 24 Type Ia-91bg 74 Type Ia-91T 16 Type Ia-pec 70 Type Ib 11 Type Ibn 2 Type Ib-pec 63 Type Ic 2 Type Icn 24 Type Ic-pec 24 Type SLSN-I 465 Type II supernovae were found 70 Type IIn 23 Type IIP 33 Type IIb 0 Type IIL 7 Type SLSN-II 7 Type II-pec 5 LBV (supernova impostors) were found 2455 were not supernovae or Extragalactic novae. 18894 were untyped Of the 49 novae that were reported 8 were reported to CBAT and 41 were not 0 were given official names by CBAT 33 were found in M31 3 were found in M81 5 were found in M33 29 were untyped 10185 objects were discovered by ZTF (prof) (AT2021afyi) 6763 objects were discovered by PS1 (prof) (AT2021ahov) 2816 objects were discovered by Gaia (prof) (AT2021ahof) 2687 objects were discovered by ATLAS (prof) (AT2021ahol) 355 objects were discovered by DESIRT (prof) (AT2021muj) 267 objects were discovered by MASTER (prof) (AT2021ahob) 143 objects were discovered by ANTARES (prof) (AT2021aiaq) 134 objects were discovered by ASAS-SN (prof) (2021ahmz) 108 objects were discovered by XOSS (2021agnl) 69 objects were discovered by GSNST (prof) (AT2021ahop) 64 objects were discovered by PTF (prof) (AT2021ahta) 23 objects were discovered by GEOTS (prof) (AT2021aavt) 17 objects were discovered by BraTS (prof) (AT2021zfi) 15 objects were discovered by GOTO (prof) (AT2021lwh) 9 objects were discovered by DESGW (prof) (AT2021aaug) 8 objects were discovered by Koichi Itagaki (2021vaz) 7 objects were discovered by DLT40 (prof) (2021agdd) 7 objects were discovered by Kamil Hornoch et al. (PSN J04160610-0540324) 6 objects were discovered by DECam (prof) (2021ahpg) 4 objects were discovered by Stu Parker (AT2021skl) 3 objects were discovered by Italian Supernovae Search Project (AT2021tcq) 2 objects were discovered by CRTS (prof) (2021aeuq) 2 objects were discovered by Conjat (AT2021zsv) 1 objects were discovered by F. Cappiello, S. Massaro (AT2021abqm) 1 objects were discovered by Galaxy Zoo (AT2021aias) 1 objects were discovered by Grzegorz Duszanowicz (2021agdm) 1 objects were discovered by J. Vinko (AT2021aeab) 1 objects were discovered by K. Sárneczky et al. (AT2021acbn) 1 objects were discovered by Klaus Kretzschmar (AT2021efp) 1 objects were discovered by Marco Iozzi (AT2021rbb) 1 objects were discovered by Peter Marples, Greg Bock and Pat Pearl (AT2021xtf) 1 objects were discovered by SGLF (prof) (AT2021jtm) 1 objects were discovered by Shuji Tokuoka (2021afsj) 1 objects were discovered by Vázquez Ramió (AT2021aggv)
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