Astrochemistry during the formation of stars

JK Jørgensen, A Belloche… - Annual Review of …, 2020 - annualreviews.org
Star-forming regions show a rich and varied chemistry, including the presence of complex
organic molecules—in both the cold gas distributed on large scales and the hot regions …

Early Planet Formation in Embedded Disks (eDisk). I. Overview of the Program and First Results

N Ohashi, JJ Tobin, JK Jørgensen… - The Astrophysical …, 2023 - iopscience.iop.org
We present an overview of the Large Program," Early Planet Formation in Embedded Disks
(eDisk)," conducted with the Atacama Large Millimeter/submillimeter Array (ALMA). The …

Water in star-forming regions: physics and chemistry from clouds to disks as probed by Herschel spectroscopy

EF van Dishoeck, LE Kristensen, JC Mottram… - Astronomy & …, 2021 - aanda.org
Context. Water is a key molecule in the physics and chemistry of star and planet formation,
but it is difficult to observe from Earth. The Herschel Space Observatory provided …

On the diversity and statistical properties of protostellar discs

MR Bate - Monthly Notices of the Royal Astronomical Society, 2018 - academic.oup.com
We present results from the first population synthesis study of protostellar discs. We analyse
the evolution and properties of a large sample of protostellar discs formed in a radiation …

Four annular structures in a protostellar disk less than 500,000 years old

DM Segura-Cox, A Schmiedeke, JE Pineda… - Nature, 2020 - nature.com
Annular structures (rings and gaps) in disks around pre-main-sequence stars have been
detected in abundance towards class II protostellar objects that are approximately 1,000,000 …

Early Planet Formation in Embedded Disks (eDisk). II. Limited Dust Settling and Prominent Snow Surfaces in the Edge-on Class I Disk IRAS 04302+ 2247

ZYD Lin, ZY Li, JJ Tobin, N Ohashi… - The Astrophysical …, 2023 - iopscience.iop.org
While dust disks around optically visible, Class II protostars are found to be vertically thin,
when and how dust settles to the midplane are unclear. As part of the Atacama Large …

Early Planet Formation in Embedded Disks (eDisk). VI. Kinematic Structures around the Very-low-mass Protostar IRAS 16253-2429

Y Aso, W Kwon, N Ohashi, JK Jørgensen… - The Astrophysical …, 2023 - iopscience.iop.org
Precise estimates of protostellar masses are crucial to characterize the formation of stars of
low masses down to brown dwarfs (BDs; M*< 0.08 M☉). The most accurate estimation of …

Early Planet Formation in Embedded Disks (eDisk). VII. Keplerian Disk, Disk Substructure, and Accretion Streamers in the Class 0 Protostar IRAS 16544–1604 in CB …

M Kido, S Takakuwa, K Saigo, N Ohashi… - The Astrophysical …, 2023 - iopscience.iop.org
We present observations of the Class 0 protostar IRAS 16544–1604 in CB 68 from the" Early
Planet Formation in Embedded Disks (eDisk)" ALMA Large program. The ALMA …

CORINOS. I. JWST/MIRI spectroscopy and imaging of a class 0 protostar IRAS 15398–3359

YL Yang, JD Green, KM Pontoppidan… - The Astrophysical …, 2022 - iopscience.iop.org
The origin of complex organic molecules (COMs) in young Class 0 protostars has been one
of the major questions in astrochemistry and star formation. While COMs are thought to form …

An Observational View of Structure in Protostellar Systems

JJ Tobin, PD Sheehan - Annual Review of Astronomy and …, 2024 - annualreviews.org
The envelopes and disks that surround protostars reflect the initial conditions of star and
planet formation and govern the assembly of stellar masses. Characterizing these structures …