N11 (emission nebula)
Emission nebula in the constellation Dorado / From Wikipedia, the free encyclopedia
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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] It has an elliptical shape and consists of a large bubble, generally clear interstellar area, surrounded by nine large nebulae.[6] It was named by Karl Henize in 1956.[7]
Emission nebula | |
---|---|
superbubble[citation needed] | |
Observation data: J2000.0 epoch | |
Right ascension | 04h 56m 46.2s[1] |
Declination | −66° 28′ 27″[1] |
Distance | 160,000[2] ly |
Constellation | Dorado |
Physical characteristics | |
Radius | 500[3] ly |
Designations | LMC N11, LHA 120-N 11, Bean Nebula |
See also: Lists of nebulae |
When close-up, the nebula has pink clouds of glowing gas which resembles candy floss.[7] It has been well studied over the years and extends 1,000 light-years across.[citation needed]
Its particularly notable features include a huge cavity measuring 80 by 60 pc and a five million year old central cluster (NGC 1761). It is surrounded by several ionized clouds where young O stars are forming.[8][9] Several massive stars are within it, including LH 9, LH 10, LH 13, LH 14. It includes a supernova remnant N11L.[10] In the very centre of NGC 1761 is a bright multiple star HD 32228 which contains a rare blue Wolf-Rayet star, type WC5 or WC6, and an O-type bright giant.[11]