Layers in the Central Orion nebula [PDF]
Monthly Notices of the Royal Astronomical Society, 2018 The existence of multiple layers in the inner Orion Nebula has been revealed using data from an Atlas of spectra at 2" and 12 km/s resolution. These data were sometimes grouped over Samples of 10"x10"to produce high Signal to Noise spectra and sometimes ...
C. O’Dell
exaly +6 more sources
Chemical Modeling of Orion Nebula Cluster Disks: Evidence for Massive, Compact Gas Disks with Interstellar Gas-to-dust Ratios [PDF]
The Astrophysical Journal, 2023 The stellar cluster environment is expected to play a central role in the evolution of circumstellar disks. We use thermochemical modeling to constrain the dust and gas masses, disk sizes, UV and X-ray radiation fields, viewing geometries, and central ...
Ryan D. Boyden, Josh A. Eisner
doaj +2 more sources
PDRs4All. II. JWST's NIR and MIR imaging view of the Orion Nebula [PDF]
Astronomy & Astrophysics, 2023 The JWST has captured the most detailed and sharpest infrared images ever taken of the inner region of the Orion Nebula, the nearest massive star formation region, and a prototypical highly irradiated dense photo-dissociation region (PDR). We investigate
É. Habart +141 more
semanticscholar +1 more source
Photoionized Herbig-Haro objects in the Orion Nebula through deep high-spectral resolution spectroscopy III: HH 514 [PDF]
Monthly notices of the Royal Astronomical Society, 2022 We analyze the physical conditions and chemical composition of the photoionized Herbig-Haro object HH 514, which emerges from the proplyd 170-337 in the core of the Orion Nebula.
J. E. M'endez-Delgado +14 more
semanticscholar +1 more source
Demographics of the M-star Multiple Population in the Orion Nebula Cluster [PDF]
Astrophysical Journal, 2022 We present updated results constraining multiplicity demographics for the stellar population of the Orion Nebula Cluster (ONC, a high-mass, high-density star-forming region), across primary masses 0.08–0.7 M ⊙.
Matthew de Furio +6 more
semanticscholar +1 more source
Primordial Helium-3 Redux: The Helium Isotope Ratio of the Orion Nebula [PDF]
Astrophysical Journal, 2022 We report the first direct measurement of the helium isotope ratio, 3He/4He, outside of the Local Interstellar Cloud, as part of science-verification observations with the upgraded CRyogenic InfraRed Echelle Spectrograph.
R. Cooke +7 more
semanticscholar +1 more source
The 3D Kinematics of the Orion Nebula Cluster: NIRSPEC-AO Radial Velocities of the Core Population [PDF]
Astrophysical Journal, 2021 The kinematics and dynamics of stellar and substellar populations within young, still-forming clusters provide valuable information for constraining theories of formation mechanisms.
C. Theissen +7 more
semanticscholar +1 more source
Small Protoplanetary Disks in the Orion Nebula Cluster and OMC1 with ALMA [PDF]
Astrophysical Journal, 2021 The Orion Nebula Cluster (ONC) is the nearest dense star-forming region at ∼400 pc away, making it an ideal target to study the impact of high stellar density and proximity to massive stars (the Trapezium) on protoplanetary disk evolution.
J. Otter +7 more
semanticscholar +1 more source
Binary Formation in the Orion Nebula Cluster: Exploring the Substellar Limit [PDF]
Astrophysical Journal, 2021 We present results constraining the multiplicity of the very low mass stars and substellar objects in the Orion Nebula Cluster (ONC). Our sample covers primary masses 0.012–0.1 M ⊙ using archival Hubble Space Telescope data obtained with the Advanced ...
Matthew de Furio +5 more
semanticscholar +1 more source
The NIKA polarimeter on science targets: Crab nebula observations at 150 GHz and dual-band polarization images of Orion Molecular Cloud OMC-1 [PDF]
EPJ Web of Conferences, 2020 We present here the polarization system of the NIKA camera and give a summary of the main results obtained and performed studies on Orion and the Crab nebula.
Ritacco A. +41 more
doaj +1 more source