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 …

Physical conditions in regions of star formation

NJ Evans II - Annual Review of Astronomy and Astrophysics, 1999 - annualreviews.org
▪ Abstract The physical conditions in molecular clouds control the nature and rate of star
formation, with consequences for planet formation and galaxy evolution. The focus of this …

A radiation hydrodynamic model for protostellar collapse. II. The second collapse and the birth of a protostar

H Masunaga, S Inutsuka - The Astrophysical Journal, 2000 - iopscience.iop.org
We carry out radiation hydrodynamic calculations to study physical processes in the
formation of a 1 M⊙ protostar. Following our previous work, calculations pursue the whole …

Early Planet Formation in Embedded Disks (eDisk). XII. Accretion Streamers, Protoplanetary Disk, and Outflow in the Class I Source Oph IRS 63

C Flores, N Ohashi, JJ Tobin… - The Astrophysical …, 2023 - iopscience.iop.org
Abstract We present Atacama Large Millimeter/submillimeter Array (ALMA) observations of
the Class I source Oph IRS 63 in the context of the Early Planet Formation in Embedded …

Signs of early-stage disk growth revealed with ALMA

HW Yen, PM Koch, S Takakuwa… - The Astrophysical …, 2017 - iopscience.iop.org
We present ALMA 1.3 mm continuum, 12 CO, C 18 O, and SO data for the Class 0 protostars
Lupus 3 MMS, IRAS 15398− 3559, and IRAS 16253− 2429 at resolutions of∼ 100 au. By …

The evolution of outflow-envelope interactions in low-mass protostars

HG Arce, AI Sargent - The Astrophysical Journal, 2006 - iopscience.iop.org
We present multiline and continuum observations of the circumstellar environment within 10
4 AU of a sample of protostars to investigate how the effects of outflows on their immediate …

ALMA observations of the transition from infall motion to Keplerian rotation around the late-phase protostar TMC-1A

Y Aso, N Ohashi, K Saigo, S Koyamatsu… - The Astrophysical …, 2015 - iopscience.iop.org
We have observed the Class I protostar TMC-1A with the Atacama Millimeter/submillimeter
Array (ALMA) in the emissions of 12 CO and C 18 O (J= 2–1) and 1.3 mm dust continuum …

ALMA observations of infalling flows toward the Keplerian disk around the Class I protostar L1489 IRS

HW Yen, S Takakuwa, N Ohashi, Y Aikawa… - The Astrophysical …, 2014 - iopscience.iop.org
We have conducted ALMA observations in the 1.3 mm continuum and 12 CO (2–1), C 18 O
(2–1), and SO (5 6–4 5) lines toward L1489 IRS, a Class I protostar surrounded by a …

Investigation of the physical properties of protoplanetary disks around T Tauri stars by a 1 arcsecond imaging survey: evolution and diversity of the disks in their …

Y Kitamura, M Momose, S Yokogawa… - The Astrophysical …, 2002 - iopscience.iop.org
We present the results of an imaging survey of protoplanetary disks around single T Tauri
stars in Taurus. Thermal emission at 2 mm from dust in the disks has been imaged with a …

Rotationally-supported disks around Class I sources in Taurus: disk formation constraints

D Harsono, JK Jørgensen, EF van Dishoeck… - Astronomy & …, 2014 - aanda.org
Context. Disks are observed around pre-main sequence stars, but how and when they form
is still heavily debated. While disks around young stellar objects have been identified …