From the 1 of 9 linked papers with an AI index.
9 papers
Efficient Interstellar Grain Growth from High Sticking Coefficients on Amorphous Carbon Dust
Clarke J. Esmerian, Duncan Bossion, Francois Dulieu +8
The paper uses molecular dynamics simulations and laboratory experiments to show that amorphous carbon dust grains in the interstellar medium can acquire gas‑phase atoms with high…
The unique capabilities of HST for stellar physics: Probing Atmospheric Structure, Chromospheres, and Mass Loss of Evolved Stars
Maryam Saberi, Graham Harper, Jacco Th. van Loon +10
Evolved stars are among the primary sources of chemical enrichment and dust production in galaxies. During the giant phases, stars return a substantial fraction of their mass to th…
HST observations of chromospheric UV lines in the AGB star R Leo
Maryam Saberi, Donald G. Luttermoser, Graham M. Harper +3
The role of stellar chromospheres in the chemistry, mass loss, and evolution of cool evolved stars remains poorly understood. We present high-resolution ultraviolet spectra of the…
Silicate cosmic dust grain collisions in the interstellar medium: A molecular dynamics study
C. J. Esmerian, S. R. Hashemi, W. M. C. Sameera +6
(abridged) We aim to predict the most important parameters for grain-grain collision outcomes for models of interstellar grain population evolution on astrophysical scales: the thr…
Probing Infrared eXcess to Investigate Early-Universe Dust (PIXIEDust)
Tom J. L. C. Bakx, Hiddo S. B. Algera, Jean-Baptiste Jolly +25
Despite the implied presence of dust through reddened UV emission in high-redshift galaxies, no dust emission has been detected in the (sub)millimetre regime beyond . This…
An empirical view of the extended atmosphere and inner envelope of the asymptotic giant branch star R Doradus. II. Constraining the dust properties with radiative transfer modelling
Thiebaut Schirmer, Theo Khouri, Wouter Vlemmings +6
Mass loss in oxygen-rich asymptotic giant branch (AGB) stars remains poorly understood, as the dust detected around them appears too transparent to drive winds through absorption a…