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  2. List of supernova candidates - Wikipedia

    en.wikipedia.org/wiki/List_of_supernova_candidates

    This is a list of supernova candidates, or stars that are believed to soon become supernovae. Type II supernova progenitors include stars with at least 8~10 solar masses that are in the final stages of their evolution. Prominent examples of stars in this mass range include Antares, Spica, [2] Gamma Velorum, [3] Mu Cephei, and members of the ...

  3. SuperNova Early Warning System - Wikipedia

    en.wikipedia.org/wiki/Supernova_Early_Warning_System

    The SuperNova Early Warning System (SNEWS) is a network of neutrino detectors designed to give early warning to astronomers in the event of a supernova in the Milky Way, our home galaxy, or in a nearby galaxy such as the Large Magellanic Cloud or the Canis Major Dwarf Galaxy . As of March 2021, [1] SNEWS has not issued any supernova alerts.

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  5. SN 2023ixf - Wikipedia

    en.wikipedia.org/wiki/SN_2023ixf

    SN 2023ixf. SN 2023ixf is a type II-L [7] [8] (core collapse) supernova located in the Pinwheel Galaxy (M101). It was first observed on 19 May 2023 by Kōichi Itagaki and immediately classified as a type II supernova. [2] Initial magnitude at discovery was 14.9. [2] After discovery, the Zwicky Transient Facility project found a precovery image ...

  6. SN 1181 - Wikipedia

    en.wikipedia.org/wiki/SN_1181

    The pulsar spin-down age is 5380 years. The neutron star cooling age is >5000 years. With these age estimates, 3C 58 is much too old a remnant to be associated with SN 1181. The possible sky position of the 1181 supernova has been revised to include additional information on the proximity of the `guest star' to adjacent Chinese constellations ...

  7. List of supernovae - Wikipedia

    en.wikipedia.org/wiki/List_of_supernovae

    SN 1054 remnant (Crab Nebula)A supernova is an event in which a star destroys itself in an explosion which can briefly become as luminous as an entire galaxy.This list of supernovae of historical significance includes events that were observed prior to the development of photography, and individual events that have been the subject of a scientific paper that contributed to supernova theory.

  8. SN 1572 - Wikipedia

    en.wikipedia.org/wiki/SN_1572

    SN 1572 ( Tycho 's Supernova, Tycho's Nova ), or B Cassiopeiae (B Cas), was a supernova of Type Ia in the constellation Cassiopeia, one of eight supernovae visible to the naked eye in historical records. It appeared in early November 1572 and was independently discovered by many individuals. Its supernova remnant has been observed optically but ...

  9. Near-Earth supernova - Wikipedia

    en.wikipedia.org/wiki/Near-Earth_supernova

    A near-Earth supernova is an explosion resulting from the death of a star that occurs close enough to the Earth (roughly less than 10 to 300 parsecs [30 to 1000 light-years] away [2]) to have noticeable effects on Earth's biosphere . An estimated 20 supernova explosions have happened within 300 pc of the Earth over the last 11 million years.

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