PRODIGE–envelope to disk with NOEMA-I. A 3000 au streamer feeding a Class I protostar

MT Valdivia-Mena, JE Pineda, DM Segura-Cox… - Astronomy & …, 2022 - aanda.org
Context. In the past few years, there has been a rise in the detection of streamers,
asymmetric flows of material directed toward the protostellar disk with material from outside …

A protostellar system fed by a streamer of 10,500 au length

JE Pineda, D Segura-Cox, P Caselli, N Cunningham… - Nature …, 2020 - nature.com
Binary formation is an important aspect of star formation. One possible route for close-in
binary formation is disk fragmentation,–. Recent observations show that small-scale …

Which molecule traces what: chemical diagnostics of protostellar sources

Ł Tychoniec, EF van Dishoeck, MLR van't Hoff… - Astronomy & …, 2021 - aanda.org
Context. The physical and chemical conditions in Class 0/I protostars are fundamental in
unlocking the protostellar accretion process and its impact on planet formation. Aims. The …

Flow of gas detected from beyond the filaments to protostellar scales in Barnard 5

MT Valdivia-Mena, JE Pineda, DM Segura-Cox… - Astronomy & …, 2023 - aanda.org
Context. The infall of gas from outside natal cores has proven to feed protostars after the
main accretion phase (Class 0). This changes our view of star formation to a picture that …

Magnetized filamentary gas flows feeding the young embedded cluster in Serpens South

TGS Pillai, DP Clemens, S Reissl, PC Myers… - Nature …, 2020 - nature.com
Observations indicate that molecular clouds are strongly magnetized, and that magnetic
fields influence the formation of stars. A key observation supporting the conclusion that …

Recent progress with observations and models to characterize the magnetic fields from star-forming cores to protostellar disks

A Maury, P Hennebelle, JM Girart - Frontiers in Astronomy and Space …, 2022 - frontiersin.org
In this review article, we aim at providing a global outlook on the progresses made in the
recent years to characterize the role of magnetic fields during the embedded phases of the …

Accretion Flows or Outflow Cavities? Uncovering the Gas Dynamics around Lupus 3-MMS

TJ Thieme, SP Lai, SJ Lin, PI Cheong… - The Astrophysical …, 2022 - iopscience.iop.org
Understanding how material accretes onto the rotationally supported disk from the
surrounding envelope of gas and dust in the youngest protostellar systems is important for …

Fast methods for tracking grain coagulation and ionization-III. Protostellar collapse with non-ideal MHD

P Marchand, U Lebreuilly, MM Mac Low… - Astronomy & …, 2023 - aanda.org
Dust grains influence many aspects of star formation, including planet formation and the
opacities for radiative transfer, chemistry, and the magnetic field via Ohmic, Hall, as well as …

A dusty streamer infalling onto the disk of a class I protostar-ALMA dual-band constraints on grain properties and the mass-infall rate

L Cacciapuoti, E Macias, A Gupta, L Testi… - Astronomy & …, 2024 - aanda.org
Context. Observations of interstellar material infalling onto star-and planet-forming systems
have become increasingly common thanks to recent advancements in radio interferometry …

Radial variations in grain sizes and dust scale heights in the protoplanetary disk around HD 163296 revealed by ALMA polarization observations

S Ohashi, A Kataoka - The Astrophysical Journal, 2019 - iopscience.iop.org
The disk of HD 163296 shows ring and gap substructures in observations with the Atacama
Large Millimeter/submillimeter Array. In addition, this is the only disk where the rings and …