Results 181 to 190 of about 394,629 (288)

Light Echoes of Protoplanetary Disks

open access: yesThe Astrophysical Journal
Light echoes offer a means of studying protoplanetary disks, including their geometry and composition, even when they are not spatially resolved. We present a test of this approach applied specifically to optically thick, geometrically flared disks ...
Austin J. King, Benjamin C. Bromley
doaj   +1 more source

SCExAO/CHARIS Near-infrared Scattered-light Imaging and Integral Field Spectropolarimetry of the AB Aurigae Protoplanetary System

open access: yesThe Astrophysical Journal
We analyze near-infrared integral field spectropolarimetry of the AB Aurigae protoplanetary disk and protoplanet (AB Aur b), obtained with SCExAO/CHARIS in 22 wavelength channels covering the J , H , and K passbands ( λ _0 = 1.1–2.4 μ m) over angular ...
Erica Dykes   +23 more
doaj   +1 more source

Evidence for a Developing Gap in a 10 Myr Old Protoplanetary Disk [PDF]

open access: green, 2002
Nuria Calvet   +5 more
openalex   +1 more source

Constraints on the Gas-phase C/O Ratio of DR Tau's Outer Disk from CS, SO, and C2H Observations

open access: yesThe Astrophysical Journal
Millimeter wavelength observations of Class II protoplanetary disks often display strong emission from hydrocarbons and high CS/SO values, providing evidence that the gas-phase C/O ratio commonly exceeds 1 in their outer regions.
Jane Huang   +6 more
doaj   +1 more source

Formation of Giant Planets by Fragmentation of Protoplanetary Disks [PDF]

open access: green, 2002
Lucio Mayer   +3 more
openalex   +1 more source

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