Deciphering the 3-D Orion Nebula-I: Expanding Shells in the Huygens Region

C. R. O'Dell; G. J. Ferland; N. P. Abel

Deciphering the 3-D Orion Nebula-I: Expanding Shells in the Huygens Region

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arxiv 2003.01840 v1 pith:DO6D5OFW submitted 2020-03-04 astro-ph.GA

C. R. O'Dell , N. P. Abel , G. J. Ferland This is my paper · ORCID

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keywords oriontheta1oricbubblecentralhuygensnebularegionaway

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Based on imaging and spectroscopic data, we develop a 3-D model for the Huygens Region of the Orion Nebula. Theta1OriC , the hottest star in the Trapezium, is surrounded by a wind-blown Central Bubble that opens SW into the Extended Orion Nebula. Outside of this feature lies a layer of ionized gas at about 0.4 pc from Theta1OriC. Both of these features are moving rapidly away from Theta1OriC with an expansion age for the Central Bubble of only 15,000 yrs.

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PDRs4All XXII. Near-Infrared continuum in the Orion Bar
astro-ph.GA 2026-08 conditional novelty 6.0 of 10

The near-infrared excess in the Orion Bar decomposes into a ~700 K component correlated with the 3.3 micrometer aromatic band and a weakly constrained hotter component that is not.

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