[PDF] Top 20 First Detection of Gas-phase Methanol in a Protoplanetary Disk
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First Detection of Gas-phase Methanol in a Protoplanetary Disk
... common gas-phase chemical origin in ...the gas-phase include photodesorption by UV photons, or reactive desorption during ...intact methanol ( ...mixed methanol ice does not lead ... See full document
7
The First Detection of ¹³C¹⁷O in a Protoplanetary Disk: A Robust Tracer of Disk Gas Mass
... thus cannot be used to easily locate the midplane CO snow line. However, the 13 17 C O emission is optically thin, so future observations at a higher spatial resolution and sensitivity could be used to directly constrain ... See full document
8
The First Detection of ^13C^17O in a Protoplanetary Disk: A Robust Tracer of Disk Gas Mass
... this disk (Mathews et ...the disk and it may be the case that the drop in CO surface density detected here is due to gas depletion rather than the ... See full document
9
Chemical complexity in protoplanetary disks in the era of ALMA and Rosetta
... in protoplanetary disks (with the exception of water ice; ...by gas-phase ...the gas-phase in the warm/hot ( & 300 K, ...the disk upper layers only and may reveal a ... See full document
6
Molecular abundances and C/O ratios in chemically evolving planet-forming disk midplanes
... explaining protoplanetary disk observations for some 20 years since the first detection of molecules, other than CO, in disk atmospheres (see review by Henning & Semenov ...static ... See full document
16
Upper limits on CH3OH in the HD 163296 protoplanetary disk - Evidence for a low gas-phase CH3OH-to-H2CO ratio
... 163296 disk formed from a protostar that did not inherit a large amount of methanol ...high methanol-to- formaldehyde ice ratios seen in ISM ...some methanol already formed at earlier stages ... See full document
11
Chemical Evolution of Protoplanetary Disks—The Effects of Viscous Accretion, Turbulent Mixing, and Disk Winds
... enhanced methanol abundances in the inner ...Their disk model, however, assumed that the gas and dust temperatures were coupled everywhere in the disk and ignored stellar irradiation ... See full document
22
The puzzle of protoplanetary disk masses
... in gas and dust (see, ...The first near-complete survey of protoplanetary disks in both dust and gas with ALMA in a single star-forming region has been carried out in Lupus (Ansdell et ...the ... See full document
236
Disk evolution, element abundances and cloud properties of young gas giant planets
... a first assessment of how different the local chemistry might be in newly forming planets that are exposed to changing element abundances with distance from the star and during the history of disk evolution ... See full document
32
Upper limits on CH_3OH in the HD 163296 protoplanetary disk. Evidence for a low gas-phase CH_3OH-to-H_2CO ratio
... of methanol chemistry through the numer- ous stages of star and planet formation is essential to make pre- dictions on the molecular complexity available for incorporation into extrasolar planetary bodies ... See full document
11
Quantum Locking and the Meissner Effect Lead to the Origin and Stability of the Saturn Rings System
... DOI: 10.4236/ijaa.2018.81008 112 International Journal of Astronomy and Astrophysics force. With emergence of the Saturn magnetic field, the superconducting par- ticles of the protoplanetary cloud begin to ... See full document
17
Consistent dust and gas models for protoplanetary disks IV. A panchromatic view of protoplanetary disks
... where disk prop- erties are known to be modified by the gravitational interaction of the companion and that at di ff erent wavelengths and angu- lar resolutions may appear as single ...edge-on disk ... See full document
32
Studying young stellar objects with near-IR non-redundant aperture masking and millimeter interferometry
... TD disk SEDs has interpreted the reduction of excess in the NIR-MIR as the dearth of small dust grains and thin gas in the inner region of the disk (Espaillat et ...particular disk morphology ... See full document
288
Protoplanetary disk masses from CO isotopologue line emission
... Dartois et al. 2003). Therefore, the combination of several iso- topologues can be used to investigate both the radial and ver- tical gas structure of the disk. With the advent of the Atacama Large ... See full document
14
Far-infrared HD emission as a measure of protoplanetary disk mass
... in protoplanetary disks (Bergin et ...the disk gas ...the disk gas mass and its de- pendence on the vertical structure are ...of disk masses (M disk ∼ 10 −5 −10 −1 M ) and ... See full document
18
A Gap with a Deficit of Large Grains in the Protoplanetary Disk around TW Hya
... the disk center to β ∼ 0. Our model fitting suggests that the overall disk structure can be reproduced with the inner hole and the gaps at 22 and 37 ...the disk and an unseen planet with a mass of ... See full document
15
First detections of H¹³CO+ and HC¹⁵N in the disk around HD 97048: Evidence for a cold gas reservoir in the outer disk
... multiple gas giant systems ...molecular gas in these planet-forming ...different gas tracers, and will allow for the determination of the size of central cavity in different ...the disk and ... See full document
19
Disk evolution: dust and gas
... the disk and interrupt accretion of material from the outer disk, creating a broad gap that extends all the way to the ...the disk that try to push matter away from the planet, and the viscous forces ... See full document
18
Capacitive gas-phase detection in liquid nitrogen
... local phase changes from liquid to gas are recognised by measuring the capacitances between different electrodes located on the inner surface of the cylin- der wall and the ... See full document
9
Effect of lift force on the aerodynamics of dust grains in the protoplanetary disk
... In this paper, we investigated the effects of the lift force on dust grains in a protoplanetary disk from two perspec- tives. We first investigated whether the lift force is kept exerted on the ... See full document
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