Results 41 to 50 of about 584,793 (309)

The Mass of Stirring Bodies in the AU Mic Debris Disk Inferred from Resolved Vertical Structure [PDF]

open access: yesAstrophysical Journal, 2019
The vertical distribution of dust in debris disks is sensitive to the number and size of large planetesimals dynamically stirring the disk, and is therefore well-suited for constraining the prevalence of otherwise unobservable Uranus and Neptune analogs.
C. Daley   +11 more
semanticscholar   +1 more source

THE COLLISIONAL EVOLUTION OF DEBRIS DISKS [PDF]

open access: yesThe Astrophysical Journal, 2013
We explore the collisional decay of disk mass and infrared emission in debris disks. With models, we show that the rate of the decay varies throughout the evolution of the disks, increasing its rate up to a certain point, which is followed by a leveling off to a slower value. The total disk mass falls off ~ t^-0.35 at its fastest point (where t is time)
Gaspar, Andras   +2 more
openaire   +2 more sources

Hiding Dust around ϵ Eridani

open access: yesThe Astronomical Journal, 2023
With a Jupiter-like exoplanet and a debris disk with both asteroid and Kuiper Belt analogs, ϵ Eridani has a fascinating resemblance to our expectations for a young solar system.
Schuyler Grace Wolff   +4 more
doaj   +1 more source

MOLECULAR GAS IN YOUNG DEBRIS DISKS [PDF]

open access: yesThe Astrophysical Journal, 2011
Accepted for publication in ApJ Letters, 8 pages, 3 figures, 1 tables (emulateapj style)
Moór, A.   +9 more
openaire   +2 more sources

Numerical Modeling of Dusty Debris Disks

open access: yesThe Astrophysical Journal, 2005
Infrared and submillimeter observations of nearby Vega-like stars have revealed a number of clumpy, asymmetric dust debris disks. Previous studies using semianalytical and numerical methods have suggested planetary companions of various mass as the likely cause of most examples of disk asymmetry.
Deller, Adam T., Maddison, Sarah T.
openaire   +3 more sources

Debris Disks around Sun‐like Stars [PDF]

open access: yesThe Astrophysical Journal, 2008
ApJ, in ...
Trilling, D. E.   +9 more
openaire   +2 more sources

SCExAO/CHARIS Near-infrared Integral Field Spectroscopy of the HD 15115 Debris Disk

open access: yesAstronomical Journal, 2020
We present new, near-infrared (1.1–2.4 μm) high-contrast imaging of the debris disk around HD 15115 with the Subaru Coronagraphic Extreme Adaptive Optics (SCExAO) system coupled with the Coronagraphic High Angular Resolution Imaging Spectrograph (CHARIS).
K. Lawson   +25 more
semanticscholar   +1 more source

Planetesimals in Debris Disks [PDF]

open access: yes, 2017
Planetesimals form in gas-rich protoplanetary disks around young stars. However, protoplanetary disks fade in about 10 Myr. The planetesimals (and also many of the planets) left behind are too dim to study directly. Fortunately, collisions between planetesimals produce dusty debris disks.
Youdin, Andrew N., Rieke, George H.
openaire   +2 more sources

Multiple Rings of Millimeter Dust Emission in the HD 15115 Debris Disk [PDF]

open access: yesAstrophysical Journal, 2019
We present observations of the HD 15115 debris disk from the Atacama Large Millimeter/submillimeter Array (ALMA) at 1.3 mm that capture this intriguing system with the highest resolution (0.″6 or 29 au) at millimeter wavelengths to date.
M. MacGregor   +10 more
semanticscholar   +1 more source

The Surprisingly Low Carbon Mass in the Debris Disk around HD 32297 [PDF]

open access: yesAstrophysical Journal, 2019
Gas has been detected in a number of debris disks. It is likely secondary, i.e., produced by colliding solids. Here, we report ALMA Band 8 observations of neutral carbon in the CO-rich debris disk around the 15–30 Myr old A-type star HD 32297.
G. Cataldi   +21 more
semanticscholar   +1 more source

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