Molecules with ALMA at Planet-forming Scales (MAPS). I. Program overview and highlights

KI Öberg, VV Guzmán, C Walsh, Y Aikawa… - The Astrophysical …, 2021 - iopscience.iop.org
Planets form and obtain their compositions in dust-and gas-rich disks around young stars,
and the outcome of this process is intimately linked to the disk chemical properties. The …

Molecules with ALMA at Planet-forming Scales (MAPS). XIV. Revealing disk substructures in multiwavelength continuum emission

A Sierra, LM Pérez, K Zhang, CJ Law… - The Astrophysical …, 2021 - iopscience.iop.org
Constraining dust properties of planet-forming disks via high-angular-resolution
observations is fundamental to understanding how solids are trapped in substructures and …

Molecules with ALMA at Planet-forming Scales (MAPS). XVIII. Kinematic Substructures in the Disks of HD 163296 and MWC 480

R Teague, J Bae, Y Aikawa, SM Andrews… - The Astrophysical …, 2021 - iopscience.iop.org
We explore the dynamical structure of the protoplanetary disks surrounding HD 163296 and
MWC 480 as part of the Molecules with ALMA at Planet-forming Scales (MAPS) large …

MHD disc winds can reproduce fast disc dispersal and the correlation between accretion rate and disc mass in Lupus

B Tabone, GP Rosotti, G Lodato… - Monthly Notices of …, 2022 - academic.oup.com
The final architecture of planetary systems depends on the extraction of angular momentum
and mass-loss processes of the discs in which they form. Theoretical studies proposed that …

SO and SiS Emission Tracing an Embedded Planet and Compact 12CO and 13CO Counterparts in the HD 169142 Disk

CJ Law, AS Booth, KI Öberg - The Astrophysical Journal Letters, 2023 - iopscience.iop.org
Planets form in dusty, gas-rich disks around young stars, while at the same time, the planet
formation process alters the physical and chemical structure of the disk itself. Embedded …

Molecules with ALMA at Planet-forming Scales (MAPS). XII. Inferring the C/O and S/H ratios in protoplanetary disks with sulfur molecules

R Le Gal, KI Öberg, R Teague, RA Loomis… - The Astrophysical …, 2021 - iopscience.iop.org
Sulfur-bearing molecules play an important role in prebiotic chemistry and planet
habitability. They are also proposed probes of chemical ages, elemental C/O ratio, and grain …

Scanning disk rings and winds in CO at 0.01–10 au: a high-resolution M-band spectroscopy survey with IRTF-iSHELL

A Banzatti, KM Abernathy, S Brittain… - The Astronomical …, 2022 - iopscience.iop.org
We present an overview and first results from a M-band spectroscopic survey of planet-
forming disks performed with iSHELL on the Infrared Telescope Facility, using two slits that …

UV-driven chemistry as a signpost of late-stage planet formation

JK Calahan, EA Bergin, AD Bosman, EA Rich… - Nature …, 2023 - nature.com
The chemical reservoir within protoplanetary disks has a direct impact on planetary
compositions and the potential for life. A long-lived carbon-and nitrogen-rich chemistry at …

The distribution of accretion rates as a diagnostic of protoplanetary disc evolution

R Alexander, G Rosotti, PJ Armitage… - Monthly Notices of …, 2023 - academic.oup.com
We show that the distribution of observed accretion rates is a powerful diagnostic of
protoplanetary disc physics. Accretion due to turbulent ('viscous') transport of angular …

Molecules with ALMA at Planet-forming Scales (MAPS). XV. Tracing protoplanetary disk structure within 20 au

AD Bosman, EA Bergin, RA Loomis… - The Astrophysical …, 2021 - iopscience.iop.org
Constraining the distribution of gas and dust in the inner 20 au of protoplanetary disks is
difficult. At the same time, this region is thought to be responsible for most planet formation …