The origin and evolution of multiple star systems

SSR Offner, M Moe, KM Kratter, SI Sadavoy… - arXiv preprint arXiv …, 2022 - arxiv.org
Observational advances over the last decade have enabled high-resolution, interferometric
studies of forming multiple systems, statistical surveys of multiplicity in star-forming regions …

Interferometric observations of magnetic fields in forming stars

CLH Hull, Q Zhang - Frontiers in Astronomy and Space Sciences, 2019 - frontiersin.org
The magnetic field is a key ingredient in the recipe of star formation. However, the
importance of the magnetic field in the early stages of the formation of low-and high-mass …

The VLA/ALMA nascent disk and multiplicity (VANDAM) survey of orion protostars. II. A statistical characterization of class 0 and class i protostellar disks

JJ Tobin, PD Sheehan, ST Megeath… - The Astrophysical …, 2020 - iopscience.iop.org
We have conducted a survey of 328 protostars in the Orion molecular clouds with the
Atacama Large Millimeter/submillimeter Array at 0.87 mm at a resolution of∼ 0 farcs 1 (40 …

The degree of alignment between circumbinary disks and their binary hosts

I Czekala, E Chiang, SM Andrews… - The Astrophysical …, 2019 - iopscience.iop.org
All four circumbinary (CB) protoplanetary disks orbiting short-period (P< 20 days) double-
lined spectroscopic binaries (SB2s)—a group that includes UZ Tau E, for which we present …

Modest dust settling in the IRAS04302+ 2247 Class I protoplanetary disk

M Villenave, L Podio, G Duchêne… - The Astrophysical …, 2023 - iopscience.iop.org
Abstract We present new Very Large Array observations, between 6.8 and 66 mm, of the
edge-on Class I disk IRAS04302+ 2247. Observations at 6.8 mm and 9.2 mm lead to the …

“Ashfall” induced by molecular outflow in protostar evolution

Y Tsukamoto, MN Machida… - The Astrophysical Journal …, 2021 - iopscience.iop.org
Dust growth and its associated dynamics play key roles in the first phase of planet formation
in young stellar objects. Observations have detected signs of dust growth in very young …

Dust polarization toward embedded protostars in Ophiuchus with ALMA. III. Survey overview

SI Sadavoy, IW Stephens, PC Myers… - The Astrophysical …, 2019 - iopscience.iop.org
Abstract We present 0 farcs 25 resolution (35 au) ALMA 1.3 mm dust polarization
observations for 37 young stellar objects (YSOs) in the Ophiuchus molecular cloud. These …

Submillimetre dust polarization and opacity in the HD163296 protoplanetary ring system

WRF Dent, C Pinte, PC Cortes, F Ménard… - Monthly Notices of …, 2019 - academic.oup.com
We present ALMA images of the sub-mm continuum polarization and spectral index of the
protoplanetary ringed disc HD163296. The polarization fraction at 870 µm is measured to …

FAUST–VIII. The protostellar disc of VLA 1623–2417W and its streamers imaged by ALMA

S Mercimek, L Podio, C Codella… - Monthly Notices of …, 2023 - academic.oup.com
More than 50 per cent of solar-mass stars form in multiple systems. It is therefore crucial to
investigate how multiplicity affects the star and planet formation processes at the protostellar …

On the frequencies of circumbinary discs in protostellar systems

D Elsender, MR Bate, BS Lakeland… - Monthly Notices of …, 2023 - academic.oup.com
We report the analysis of circumbinary (CB) discs formed in a radiation hydrodynamical
simulation of star cluster formation. We consider both pure binary stars and pairs within triple …