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LHA 120-N 55

From Wikipedia, the free encyclopedia
Nebula in the constellation Dorado
LHA 120-N 55
Nebula
VLT image of LHA 120-N 55
Observation data:J2000epoch
Right ascension05h 32m 32.9s[1]
Declination−66° 24′ 20″[1]
Distance160000 ly   (50000[2] pc)
Apparent dimensions (V)7.0 × 5.0[1]
ConstellationDorado
DesignationsDEM L 228[1]
See also:Lists of nebulae

LHA 120-N 55 orN55 is anemission nebula located within theLarge Magellanic Cloud (LMC). N55 is situated inside asuperbubble calledLMC 4. 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 ofH-alphaemission line objects in the LMC.[4]

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

References

[edit]
  1. ^abcd"LHA 120-N 55".SIMBAD.Centre de données astronomiques de Strasbourg. Retrieved2020-09-09.
  2. ^abNaslim, 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.S2CID 119502773.
  3. ^Science, Elizabeth Howell 2016-05-18T11:56:23Z; Astronomy (18 May 2016)."Superbubble! Young Stars Highlight Glowing Gas Cloud (Photo, Video)".Space.com. Retrieved2019-04-25.{{cite web}}: CS1 maint: numeric names: authors list (link)
  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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