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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]
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]
The NGC 1566 Group of Dorado contains H I with M HI = 3.5 × 10 10 M ⊙ of which 40% alone comes from the NGC 1566 galaxy. [5] More than half of its members are outside its virial radius of 580 kpc which suggests this group is a young non-virialized group. The 2005 Kilborn et al. set of confirmed NGC 1566 Group members (within the Dorado Group ...
N11 (also known as LMC N11, LHA 120-N 11) is the brightest emission nebula in the north-west part of the Large Magellanic Cloud in the Dorado constellation. [4] The N11 complex is the second largest H II region of that galaxy, the largest being the Tarantula Nebula. It covers an area approximately 6 arc minutes across. [5]
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 ...
BAT99-123, also known as Brey 93, is a rare WO-type (oxygen sequence) Wolf–Rayet star located in the Large Magellanic Cloud, about 160,000 light years away in Dorado. BAT99-123 was the first WO star discovered in the LMC, and only 3 are known to exist in the galaxy, the other two being LH 41-1042 and LMC195-1 .
NGC 1974 (also known as NGC 1991 and ESO 85-SC89) is an open cluster associated with an emission nebula which is located in the Dorado constellation which is part of the Large Magellanic Cloud. It was discovered by James Dunlop on November 6, 1826, and later observed by John Herschel on January 2, 1837, subsequently cataloged as NGC 1991. [ 4 ]