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SN 1987A was a type II supernova in the Large Magellanic Cloud, a dwarf satellite galaxy of the Milky Way. It occurred approximately 51.4 kiloparsecs (168,000 light-years ) from Earth and was the closest observed supernova since Kepler's Supernova in 1604.
It was the progenitor of supernova 1987A. The star was originally charted by the Romanian-American astronomer Nicholas Sanduleak in 1970, but was not well studied until identified as the star that exploded in the first naked eye supernova since the invention of the telescope, [1] when its maximum reached visual magnitude +2.8. [3]
Ian Keith Shelton (born 30 March 1957) is a Canadian astronomer who discovered SN 1987A, the first modern supernova close and bright enough to be visible to the naked eye. Born in Winnipeg , Manitoba , Canada, Shelton received his B.Sc. in 1979 from the University of Manitoba and in 1981 began his professional career working as Resident ...
The classic example of a Type IIb supernova is SN 1993J, [41] [42] while another example is Cassiopeia A. [43] The IIb class was first introduced (as a theoretical concept) by Woosley et al. in 1987, [44] and the class was soon applied to SN 1987K [45] and SN 1993J. [46]
The closest supernova observed since the invention of the telescope, [17] Supernova 1987A, occurred in the outskirts of the Tarantula Nebula. [18] There is a prominent supernova remnant enclosing the open cluster NGC 2060. Still, the remnants of many other supernovae are difficult to detect in the complex nebulosity. [19]
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Dorado (US: / d ə ˈ r eɪ d oʊ /, also UK: /-ˈ r ɑː d oʊ /) is a constellation in the Southern Sky. It was named in the late 16th century and is now one of the 88 modern constellations . Its name refers to the mahi-mahi ( Coryphaena hippurus ), which is known as dorado ("golden") in Spanish , although it has also been depicted as a ...
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