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ALMA observations of NGC 6334S. II. Subsonic and Transonic Narrow Filaments in a High-mass Star Formation Cloud
Shanghuo Li, Patricio Sanhueza, Chang Won Lee +22
We present a study of narrow filaments toward a massive infrared dark cloud, NGC 6334S, using the Atacama Large Millimeter/submillimeter Array (ALMA). Thirteen gas filaments are id…
Clustered star formation at early evolutionary stages. Physical and chemical analysis of the young star-forming regions ISOSS J22478+6357 and ISOSS J23053+5953
C. Gieser, H. Beuther, D. Semenov +20
We aim to characterize the physical and chemical properties of fragmented cores during the earliest evolutionary stages in the very young star-forming regions ISOSS J22478+6357 and…
W51North: A protocluster emerging out of a thermally inhibited fragmenting cloud
Mengyao Tang, Aina Palau, Luis A. Zapata +1
The fragmentation process in massive star-forming regions is one of the contemporary problems in astrophysics, and several physical processes have been proposed to control the frag…
Disk fragmentation in high-mass star formation. High-resolution observations towards AFGL 2591-VLA 3
S. Suri, H. Beuther, C. Gieser +29
Increasing evidence suggests that, similar to their low-mass counterparts, high-mass stars form through a disk-mediated accretion process. At the same time, formation of high-mass…
Characterization of the dust content in the ring around Sz 91: indications for planetesimal formation?
Karina Maucó, Carlos Carrasco-González, Matthias R. Schreiber +6
One of the most important questions in the field of planet formation is how mm-cm sized dust particles overcome the radial drift and fragmentation barriers to form kilometer-sized…
Different molecular filament widths as tracers of accretion onto filaments
Gilberto C. Gómez, Catherine Walsh, Aina Palau
We explore how dense filament widths, when measured using different molecular species, may change as a consequence of gas accretion toward the filament. As a gas parcel falls into…