Misplaced Pages

LMC N79

Article snapshot taken from Wikipedia with creative commons attribution-sharealike license. Give it a read and then ask your questions in the chat. We can research this topic together.

This is an old revision of this page, as edited by Meli thev (talk | contribs) at 11:06, 17 January 2025 (created article LMC N79). The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.

Revision as of 11:06, 17 January 2025 by Meli thev (talk | contribs) (created article LMC N79)(diff) ← Previous revision | Latest revision (diff) | Newer revision → (diff) LMC N79 is a nebula in the Large Magellanic Cloud.
LMC N79
Emission nebula
star-forming region
LMC N79LMC N79 with the Spitzer Space Telescope. The nebula in the center is N79-S, containing a super star cluster
Observation data: J2000 epoch
Right ascension04 52 00.0
Declination−69° 22′ 30″
Apparent dimensions (V)1038" x 814"
ConstellationDorado
DesignationsLHA 120-N 79, DEM L 10, DEM L 6
See also: Lists of nebulae

LMC N79 (or just N79) is an emission nebula in the Large Magellanic Cloud. The nebula is part of the catalog of H-alpha stars and nebulae by Karl G. Henize, published in 1956. It is composed of the smaller nebulae N79A to N79E From a CO survey it was however seen that the nebula is larger and contains N79-S, N79-W and N79-E. These nebulae were described by Henize with other names, with N79-S being the original N79 nebula, N79-W being N77 and N79-E being N83.

NGC/IC objects in N79
Henize Ochsendorf+ NGC nebula NGC star cluster IC objects
N79 N79-S NGC 1722 NGC 1727 IC 2111
N77 N79-W IC 2105
N83 N79-E NGC 1737 NGC 1743, NGC 1745, NGC 1748 IC 2114

Super star cluster

central massive stars of the super star cluster with NIRCam. The most massive stars are labeled Y4-Y8

The central nebula N79-S contains the super star cluster (SSC) H72.97-69.39, also called HSO BMHERICC J072.9711-69.3911. This SSC was first suspected to exist in N79 in 2017 from Spitzer and Herschel observations. The SSC was observed with ALMA. This showed that the SSC is at the center of two colliding filaments. ALMA also showed bipolar outflows that are 65,000 years old and a HII region associated with the SSC. The stellar content was first studied with Gemini in 2021. At that time it was estimated that the SSC contains stars with a mass between 10,000 and 100,000 M☉. Observations with JWST confirmed H72.97-69.39 as a SSC. Researchers discovered five massive stars in the center of the SSC with masses ranging between 20 and 40 M☉. The youngest source of these massive young stellar objects (YSOs) is called Y3 and is 10,000 years old. The central ionizing source is Y4, which is the most massive of the YSOs with a mass of around 40 M☉. With MIRI the researchers identified 102 embedded YSOs in total. Yet to be published work with NIRCam detected 1550 young stars in N79.

Gallery

  • N79-S in mid-infrared with JWST. The bright object in the upper half contains the five most massive YSOs of the super star cluster. N79-S in mid-infrared with JWST. The bright object in the upper half contains the five most massive YSOs of the super star cluster.
  • N79-S in near-infrared with JWST. The super star cluster is on the right (which overlaps with the HII-region NGC 1722). On the left is the star cluster NGC 1722. N79-S in near-infrared with JWST. The super star cluster is on the right (which overlaps with the HII-region NGC 1722). On the left is the star cluster NGC 1722.

References

  1. ^ Henize, Karl G. (1956-09-01). "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. ISSN 0067-0049.
  2. ^ Ochsendorf, Bram B.; Zinnecker, Hans; Nayak, Omnarayani; Bally, John; Meixner, Margaret; Jones, Olivia C.; Indebetouw, Remy; Rahman, Mubdi (2017-10-01). "The star-forming complex LMC-N79 as a future rival to 30 Doradus". Nature Astronomy. 1 (11): 784–790. arXiv:1710.00805. Bibcode:2017NatAs...1..784O. doi:10.1038/s41550-017-0268-0. ISSN 2397-3366.
  3. Nayak, O.; Meixner, M.; Sewiło, M.; Ochsendorf, B.; Bolatto, A.; Indebetouw, R.; Kawamura, A.; Onishi, T.; Fukui, Y. (2019-06-01). "ALMA Reveals Kinematics of Super Star Cluster Candidate H72.97-69.39 in LMC-N79". The Astrophysical Journal. 877 (2): 135. Bibcode:2019ApJ...877..135N. doi:10.3847/1538-4357/ab1b38. ISSN 0004-637X.
  4. Andersen, Morten; Zinnecker, Hans; Hirschauer, Alec S.; Nayak, Omnarayani; Meixner, Margaret (2021-04-01). "The Stellar Content of H72.97-69.39, a Potential Super Star Cluster in the Making". The Astronomical Journal. 161: 206. arXiv:2102.06544. Bibcode:2021AJ....161..206A. doi:10.3847/1538-3881/abe622. ISSN 0004-6256.{{cite journal}}: CS1 maint: unflagged free DOI (link)
  5. Nayak, Omnarayani; Hirschauer, Alec S.; Kavanagh, Patrick J.; Meixner, Margaret; Chu, Laurie; Habel, Nolan; Jones, Olivia C.; Lenkić, Laura; Nally, Conor; Reiter, Megan; Robberto, Massimo; Sargent, B. A. (2024-03-01). "JWST Mid-infrared Spectroscopy Resolves Gas, Dust, and Ice in Young Stellar Objects in the Large Magellanic Cloud". The Astrophysical Journal. 963 (2): 94. Bibcode:2024ApJ...963...94N. doi:10.3847/1538-4357/ad18bc. ISSN 0004-637X.
  6. Nayak, Omnarayani; Nally, Conor; Hirschauer, Alec S.; Jones, Olivia C.; Jaspers, Jeroen; Lenkić, Laura; Meixner, Margaret; Habel, Nolan; Reiter, Megan; Chu, Laurie; Kavanagh, Patrick J.; Robberto, Massimo; Sargent, B. A. (2024-11-01). "Embedded Young Stellar Objects near H72.97-69.39: A Forming Super Star Cluster in N79". The Astrophysical Journal. 975 (2): 262. Bibcode:2024ApJ...975..262N. doi:10.3847/1538-4357/ad7baf. ISSN 0004-637X.
  7. "Young Stars in the Milky Way's Backyard Challenge Our Understanding of How They Form". National Radio Astronomy Observatory. Retrieved 2025-01-17.
Categories:
LMC N79 Add topic