288 citations · 6.2k across the 104 of their papers we have counts for
5 papers · 2 filters
Sulphur monoxide exposes a potential molecular disk wind from the planet-hosting disk around HD100546
Alice Booth, Catherine Walsh, Mihkel Kama +3
Sulphur-bearing volatiles are observed to be significantly depleted in interstellar and circumstellar regions. This missing sulphur is postulated to be mostly locked up in refracto…
Methanol formation in TW Hya and future prospects for detecting larger complex molecules in disks with ALMA
Catherine Walsh, Shreyas Vissapragada, Harry McGee
Gas-phase methanol was recently detected in a protoplanetary disk for the first time with ALMA. The peak abundance and distribution of methanol observed in TW Hya differed from tha…
CO emission tracing a warp or radial flow within 100 au in the HD 100546 protoplanetary disk
Catherine Walsh, Cail Daley, Stefano Facchini +1
We present spatially resolved ALMA images of CO J=3-2 emission from the protoplanetary disk around HD100546. We model the spatially-resolved kinematic structure of the CO emission.…
Molecular abundances and C/O ratios in chemically evolving planet-forming disk midplanes
Christian Eistrup, Catherine Walsh, Ewine F van Dishoeck
(Abridged) Exoplanet atmospheres are thought be built up from accretion of gas as well as pebbles and planetesimals in the midplanes of planet-forming disks. The chemical compositi…
Candidate Water Vapor Lines to Locate the HO Snowline through High-Dispersion Spectroscopic Observations II. The Case of a Herbig Ae Star
Shota Notsu, Hideko Nomura, Daiki Ishimoto +4
Observationally measuring the location of the HO snowline is crucial for understanding the planetesimal and planet formation processes, and the origin of water on Earth. In d…