Results 91 to 100 of about 293,009 (201)

A layered edge-on circumstellar disk around HK Tau B

open access: yes, 2003
We present the first high angular resolution 1.4 mm and 2.7 mm continuum maps of the T Tauri binary system HK Tau obtained with the Plateau de Bure Interferometer.
G. Duvert   +3 more
core   +1 more source

Refractory grain processing in circumstellar shells Diagnostic infrared signatures

open access: yesThe Astrophysical Journal, 1986
Recent advances in infrared speckle interferometry reported by Ridgway, et al. (1986) have made possible the determination of the temperatures at the inner radius of certain dusty outflows. When combined with recent data on the thermal annealing and hydrous alteration rates of amorphous magnesium silicate grains, this information allows one to predict ...
Joseph A., III Nuth   +2 more
openaire   +1 more source

88th Annual Meeting of the Meteoritical Society 2026: Abstracts

open access: yes
Meteoritics &Planetary Science, Volume 61, Issue S1, Page S48-S551, August 2026.
wiley   +1 more source

Planetesimal formation in turbulent circumstellar disks

open access: yes, 2010
Planetesimal formation occurs early in the evolution of a solar system, embedded in the circumstellar gas disk, and it is the crucial first step in planet formation.
Ralph Pudritz, David Kirsh
core   +1 more source

87th Annual Meeting of the Meteoritical Society 2025: Abstracts

open access: yes
Meteoritics &Planetary Science, Volume 60, Issue S1, Page 30-350, August 2025.
wiley   +1 more source

The shapes of the circumstellar silicate features [PDF]

open access: yes, 1986
Around oxygen-rich stars the spectra of most long-period variables (LPV) show an excess infrared emission which is attributed to circumstellar silicate dust grains.
Little-Marenin, I. R., Price, S. D.
core  

Detection of C3 in the Circumstellar Shell of IRC+10216

open access: yes, 1988
Vibration-rotation lines of C(3) have been identified in the circumstellar spectrum of the obscured carbon star IRC+10216. This molecule is of interest in both the chemistry of flames, where it may be involved in the formation of soot, and in ...
Keady, J. J.   +2 more
core   +1 more source

86th Annual Meeting of the Meteoritical Society (2024)

open access: yes
Meteoritics &Planetary Science, Volume 59, Issue S1, Page A1-A468, August 2024.
wiley   +1 more source

The ultraviolet extinction in M-supergiant circumstellar envelopes [PDF]

open access: yes, 1986
Using International Ultraviolet (IUS) archival low-dispersion spectra, ultraviolet spectral extinctions were derived for the circumstellar envelopes of two M supergiants: HD 60414 and HD 213310.
Buss, R. H., Jr., Snow, T. P., Jr.
core  

IR emission from circumstellar envelopes of C-rich stars [PDF]

open access: yes, 1989
The reliability of a theoretical model that solves the radiative transfer equation in dust clouds surrounding a central star is checked. In particular, it is found that both classical scattering by dust and the back-heating effects are negligible in the ...
Colangeli, Luigi   +5 more
core  

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