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LHA 120-N 55 is an emission nebula located within the Large Magellanic Cloud (LMC). It is a glowing clump of gas and dust that gets its light output from the hydrogen atoms shedding electrons within it.[3] It was named in 1956, in a catalogue of H-alpha emission line objects in the LMC.[4]

LHA 120-N 55
Nebula
VLT image of LHA 120-N 55
Observation data: J2000 epoch
Right ascension05h 32m 32.9s[1]
Declination−66° 24′ 20″[1]
Distance160000 ly   (50000[2] pc)
Apparent dimensions (V)7.0′ × 5.0′[1]
DesignationsDEM L 228[1]
See also: Lists of nebulae

Multiple dense molecular clumps have been detected, at least fifteen of which contain young stellar objects.[2]


References


  1. "LHA 120-N 55". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2020-09-09.
  2. Naslim, N.; Tokuda, K.; Onishi, T.; Kemper, F.; Wong, T.; Morata, O.; Takada, S.; Harada, R.; Kawamura, A.; Saigo, K.; Indebetouw, R.; Madden, S. C.; Hony, S.; Meixner, M. (2018). "ALMA Reveals Molecular Cloud N55 in the Large Magellanic Cloud as a Site of Massive Star Formation". The Astrophysical Journal. 853 (2): 175. arXiv:1801.01653. Bibcode:2018ApJ...853..175N. doi:10.3847/1538-4357/aaa5b0.
  3. Science, Elizabeth Howell 2016-05-18T11:56:23Z; Astronomy. "Superbubble! Young Stars Highlight Glowing Gas Cloud (Photo, Video)". Space.com. Retrieved 2019-04-25.
  4. Henize, Karl G. (1956). "Catalogues of Hα-emission Stars and Nebulae in the Magellanic Clouds". The Astrophysical Journal Supplement Series. 2: 315. Bibcode:1956ApJS....2..315H. doi:10.1086/190025.


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