Hii regions and high-mass starless clump candidates. II. Fragmentation and induced star formation at ~0:025 pc scale: An ALMA continuum study
Sign Up to like & getrecommendations! Published in 2020 at "Astronomy and Astrophysics"
DOI: 10.1051/0004-6361/202038421
Abstract: The ionization feedback from HII regions modifies the properties of high-mass starless clumps (HMSCs, of several hundred to a few thousand solar masses with a size of ~0.1-1 pc), such as temperature and turbulence, on… read more here.
Keywords: hmscs; hii regions; 025 scale; mass ... See more keywords
Spectroscopic Identification and Chemical Distribution of HII Regions in the Galactic Anti-center Area from LAMOST
Sign Up to like & getrecommendations! Published in 2018 at "Publications of the Astronomical Society of the Pacific"
DOI: 10.1088/1538-3873/aadf22
Abstract: We spectroscopically identify 101 Galactic HII regions using spectra from the Large Sky Area Multi- Object Fiber Spectroscopic Telescope (LAMOST) survey, cross-matched with an HII region catalog derived from the all-sky Wide-Field Infrared Survey Explorer(WISE)… read more here.
Keywords: hii regions; anti center; hii; center area ... See more keywords
Which feedback mechanisms dominate in the high-pressure environment of the central molecular zone?
Sign Up to like & getrecommendations! Published in 2020 at "Monthly Notices of the Royal Astronomical Society"
DOI: 10.1093/mnras/staa2719
Abstract: Supernovae (SNe) dominate the energy and momentum budget of stellar feedback, but the efficiency with which they couple to the interstellar medium (ISM) depends strongly on how effectively early, pre-SN feedback clears dense gas from… read more here.
Keywords: pressure environment; ism; hii regions; feedback ... See more keywords
Galactic synchrotron emissivity measurements between 250° < l < 355° from the GLEAM survey with the MWA
Sign Up to like & getrecommendations! Published in 2017 at "Monthly Notices of the Royal Astronomical Society"
DOI: 10.1093/mnras/stw2959
Abstract: Synchrotron emission pervades the Galactic plane at low radio frequencies, originating from cosmic ray electrons interacting with the Galactic magnetic field. Using a low-frequency radio telescope, the Murchison Widefield Array (MWA), we measure the free-free… read more here.
Keywords: synchrotron; galactic synchrotron; hii regions; emissivity ... See more keywords
An independent determination of the local Hubble constant
Sign Up to like & getrecommendations! Published in 2018 at "Monthly Notices of the Royal Astronomical Society"
DOI: 10.1093/mnras/stx2710
Abstract: The relationship between the integrated H$\beta$ line luminosity and the velocity dispersion of the ionized gas of HII galaxies and giant HII regions represents an exciting standard candle that presently can be used up to… read more here.
Keywords: independent determination; giant hii; hii regions; hubble constant ... See more keywords
Carbon and oxygen in H II regions of the Magellanic Clouds: abundance discrepancy and chemical evolution
Sign Up to like & getrecommendations! Published in 2017 at "Monthly Notices of the Royal Astronomical Society"
DOI: 10.1093/mnras/stx328
Abstract: We present C and O abundances in the Magellanic Clouds derived from deep spectra of HII regions. The data have been taken with the Ultraviolet-Visual Echelle Spectrograph at the 8.2-m VLT. The sample comprises 5… read more here.
Keywords: abundance discrepancy; hii regions; chemical evolution; metallicity ... See more keywords