Results 11 to 20 of about 1,668 (251)

The Ultraviolet Slopes of Early Universe Galaxies: The Impact of Bursty Star Formation, Dust, and Nebular Continuum Emission

open access: yesThe Astrophysical Journal
JWST has enabled the detection of the ultraviolet (UV) continuum of galaxies at z > 10, revealing extremely blue, potentially dust-free galaxies. However, interpreting UV spectra is complicated by the well-known degeneracy between stellar ages, dust ...
Desika Narayanan   +10 more
doaj   +4 more sources

Observability of photoevaporation signatures in the dust continuum emission of transition discs

open access: yesMonthly Notices of the Royal Astronomical Society, 2023
ABSTRACT Photoevaporative disc winds play a key role in our understanding of circumstellar disc evolution, especially in the final stages, and they might affect the planet formation process and the final location of planets. The study of transition discs (i.e.
Giovanni Picogna   +5 more
openaire   +2 more sources

Predictions for the spatial distribution of the dust continuum emission in 1 [PDF]

open access: yesMonthly Notices of the Royal Astronomical Society, 2019
We present the first detailed study of the spatially-resolved dust continuum emission of simulated galaxies at ...
Cochrane, R K   +9 more
  +8 more sources

Dust-correlated cm-wavelength continuum emission on translucent clouds ζ Oph and LDN 1780 [PDF]

open access: yesRoyal Astronomical Society. Monthly Notices, 2011
mvidal@jb.man.ac ...
Vidal, M.   +19 more
  +11 more sources

MULTI-WAVELENGTH RADIO CONTINUUM EMISSION STUDIES OF DUST-FREE RED GIANTS [PDF]

open access: yesThe Astronomical Journal, 2013
Multi-wavelength centimeter continuum observations of non-dusty, non-pulsating K spectral-type red giants directly sample their chromospheres and wind acceleration zones. Such stars are feeble emitters at these wavelengths however, and previous observations have provided only a small number of modest S/N measurements slowly accumulated over three ...
O'Gorman, E.   +4 more
openaire   +3 more sources

Probing the mass loss history of carbon stars using CO line and dust continuum emission [PDF]

open access: yesAstronomy & Astrophysics, 2002
11pages, 7 figures, accepted by A& ...
Schöier, F.L., Ryde, N., Olofsson, H.
openaire   +3 more sources

ALMA uncovers the [C ii] emission and warm dust continuum in a z = 8.31 Lyman break galaxy [PDF]

open access: yesMonthly Notices of the Royal Astronomical Society, 2020
ABSTRACT We report on the detection of the [C ii] 157.7 μm emission from the Lyman break galaxy (LBG) MACS0416_Y1 at z = 8.3113, by using the Atacama Large Millimeter/submillimeter Array (ALMA). The luminosity ratio of [O iii] 88 μm (from previous campaigns) to [C ii] is 9.3 ± 2.6, indicative of hard interstellar radiation fields and/or ...
Tom J L C Bakx   +17 more
openaire   +3 more sources

Millimeter dust continuum emission revealing the true mass of giant molecular clouds in the Small Magellanic Cloud [PDF]

open access: yesAstronomy & Astrophysics, 2007
CO observations have been so far the best way to trace molecular gas in external galaxies, but at low metallicity the gas mass deduced could be largely underestimated. At present, the kinematic information of CO data cubes are used to estimate virial masses and trace the total mass of the molecular clouds. Millimeter dust emission can also be used as a
Bot, Caroline   +3 more
openaire   +2 more sources

Karl Popper and the Mechanisms of Hydrogen Embrittlement

open access: yesAdvanced Engineering Materials, EarlyView.
Representation of the beginning of loss of ductility rather than embrittlement. Small concentrations of hydrogen in a diffusible form within iron are well‐established to harm the mechanical integrity of steels. There are theories that attempt to explain the pernicious role of hydrogen.
H. K. D. H. Bhadeshia
wiley   +1 more source

Microstructure, Thermal Transport, and Dry‐Sliding Tribology of Powder‐Metallurgy Al7075 Composites Reinforced With Sol–Gel‐Derived ZnO–rGO Hybrid Nanoparticles

open access: yesAdvanced Engineering Materials, EarlyView.
Sol–gel‐derived ZnO–rGO hybrid nanoparticles enable Al7075 powder‐metallurgy composites to achieve concurrent gains in hardness and thermal conductivity while markedly lowering friction and wear. The hybrid architecture couples ZnO‐based load support with rGO‐assisted lamellar sliding and heat spreading, revealing a promising route toward lightweight ...
Bunyamin Aksakal   +3 more
wiley   +1 more source

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