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The Astrophysical journal. Supplement series, ISSN 1538-4365, 09/2013, Volume 208, Issue 1, pp. 10 - 26
Recently, Nicholls et al., inspired by in situ observations of solar system astrophysical plasmas, suggested that the electrons in H II regions are characterized by a kappa-distribution of energies rather than a simple... 
atomic processes | Hii regions | plasmas | atomic data | ISM: abundances | Physical Sciences | Astronomy & Astrophysics | Science & Technology | Electron temperature | H II regions | Systematic errors | Emission | Abundance | Mathematical models | Diagnostic systems | Plasmas | Deviation | RECOMBINATION | ELEMENT ABUNDANCE | ELECTRON TEMPERATURE | COSMIC ELECTRONS | COMPARATIVE EVALUATIONS | OXYGEN | HYDROGEN | PHOTOIONIZATION | BOLTZMANN STATISTICS | PLASMA | ASTROPHYSICS, COSMOLOGY AND ASTRONOMY | ASTRONOMY | ASTROPHYSICS | EQUILIBRIUM | H2 REGIONS | SOLAR SYSTEM
Journal Article
Astronomy and astrophysics (Berlin), ISSN 0004-6361, 10/2015, Volume 582, pp. A1 - 33
Aims. Our goal is to identify bipolar H II regions and to understand their morphology, their evolution, and the role they play in the formation of new generations of stars. Methods... 
00.14 | ISM: individual objects: G010.32 | Stars: formation | HII regions | ISM: individual objects: G319.88+00.79 | Dust, extinction | Physical Sciences | Astronomy & Astrophysics | Science & Technology | H II regions | Molecular structure | Clouds | Searching | Morphology | Formations | Estimates | Density | Physics | Astrophysics
Journal Article
Journal Article
The Astrophysical journal. Supplement series, ISSN 1538-4365, 12/2015, Volume 221, Issue 2, pp. 26 - 11
The WISE Catalog of Galactic H II Regions contains similar to 2000 H II region candidates lacking ionized gas spectroscopic observations... 
surveys | H II regions | Galaxy: structure | radio lines: ISM | Physical Sciences | Astronomy & Astrophysics | Science & Technology | Emission spectroscopy | Continuums | Milky Way Galaxy | X-band | Latitude | Radio | Nebulae
Journal Article
The Astrophysical journal, ISSN 1538-4357, 06/2019, Volume 878, Issue 1, p. 29
We performed a survey in the SiO J = 5 -> 4 line toward a sample of 199 Galactic massive star-forming regions at different evolutionary stages with the Submillimeter Telescope (SMT... 
Physical Sciences | Astronomy & Astrophysics | Science & Technology | Surveys | H II regions | Star formation | Galactic evolution | Luminosity | Telescopes | Stellar evolution | Star & galaxy formation | Velocity | Emissions | Protostars | Massive stars
Journal Article
Monthly notices of the Royal Astronomical Society, ISSN 0035-8711, 02/2019, Volume 482, Issue 4, pp. 4630 - 4641
... diffuse radio emission associated with the region that exhibits a broken shell morphology... 
Infrared: ISM | ISM: Individual objects: SNR 351.7−1.2 | Radiation mechanisms: Non-thermal | H II regions | ISM: Supernova remnants | Physical Sciences | Astronomy & Astrophysics | Science & Technology
Journal Article
Monthly notices of the Royal Astronomical Society, ISSN 0035-8711, 10/2005, Volume 363, Issue 2, pp. 405 - 451
Journal Article
The Astrophysical journal, ISSN 1538-4357, 07/2018, Volume 862, Issue 1, p. 30
Some authors have proposed that electron energy distributions in H II regions and planetary nebulae may be significantly nonthermal, and kappa-distributions have been suggested as being appropriate... 
atomic processes | H II regions | plasmas | ISM: general | planetary nebulae: general | Physical Sciences | Astronomy & Astrophysics | Science & Technology | Electron energy distribution | Planetary nebulae | Kinetic energy | Electron energy | Nebulae | Single electrons | Electrons | Distribution functions
Journal Article
The Astrophysical Journal, ISSN 0004-637X, 05/2011, Volume 732, Issue 2, p. 100
Radiation pressure acting on gas and dust causes H II regions to have central densities that are lower than the density near the ionized boundary... 
infrared: ISM | dust, extinction | ISM: bubbles | ISM: structure | H ii regions | radio continuum: ISM | Physical Sciences | Astronomy & Astrophysics | Science & Technology | DENSITY | ASTROPHYSICS, COSMOLOGY AND ASTRONOMY | MASSLESS PARTICLES | CLOUDS | DUSTS | PHOTONS | PHYSICAL PROPERTIES | RADIATION PRESSURE | ELEMENTARY PARTICLES | BOSONS
Journal Article
Astronomy and astrophysics (Berlin), ISSN 0004-6361, 09/2018, Volume 617, p. A63
.... We aim to identify the embedded population of young stellar objects (YSOs) down to the low-mass stars in the M-type regime in the three H II regions RCW 33, RCW 32... 
Techniques: photometric | H II regions | Stars: pre-main sequence | Open clusters and associations: general | Stars: formation | Stars: low-mass | Physical Sciences | Astronomy & Astrophysics | Science & Technology
Journal Article