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Chemistry in Disks VIII: the CS molecule as an analytic tracer of turbulence in disks
S. Guilloteau, A. Dutrey, V. Wakelam +5
Turbulence is thought to be a key driver of the evolution of protoplanetary disks, regulating the mass accretion process, the transport of angular momentum, and the growth of dust…
Synthetic observations of first hydrostatic cores in collapsing low-mass dense cores II. Simulated ALMA dust emission maps
Benoît Commerçon, François Levrier, Anaëlle J. Maury +2
First hydrostatic cores are predicted by theories of star formation, but their existence has never been demonstrated convincingly by (sub)millimeter observations. Furthermore, the…
The Earliest Phases of Star formation observed with Herschel (EPoS): The dust temperature and density distributions of B68
M. Nielbock, R. Launhardt, J. Steinacker +13
(Abriged) In the framework of the Herschel GTKP "The earliest phases of star formation", we have imaged B68 between 100 and 500 um. Ancillary (sub)mm data, spectral line maps of th…
Synthetic observations of first hydrostatic cores in collapsing low-mass dense cores. I. Spectral energy distributions and evolutionary sequence
Benoit Commercon, Ralf Launhardt, Cornelis P. Dullemond +1
The low-mass star formation evolutionary sequence is relatively well-defined both from observations and theoretical considerations. The first hydrostatic core is the first protoste…
The high-mass disk candidates NGC7538IRS1 and NGC7538S
Henrik beuther, Hendrik Linz, Thomas Henning
Context: The nature of embedded accretion disks around forming high-mass stars is one of the missing puzzle pieces for a general understanding of the formation of the most massive…
Herschel images of Fomalhaut. An extrasolar Kuiper Belt at the height of its dynamical activity
B. Acke, M. Min, C. Dominik +33
Fomalhaut is a young, nearby star that is suspected to harbor an infant planetary system, interspersed with one or more belts of dusty debris. We present far-infrared images obtain…