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An Ammonia Spectral Map of the L1495-B218 Filaments in the Taurus Molecular Cloud : I. Physical Properties of Filaments and Dense cores
Young Min Seo, Yancy L. Shirley, Paul Goldsmith +8
We present deep NH observations of the L1495-B218 filaments in the Taurus molecular cloud covering over a 3 degree angular range using the K-band focal plane array on the 100m…
Water in Low-Mass Star-Forming Regions with Herschel: The Link Between Water Gas and Ice in Protostellar Envelopes
M. Schmalzl, R. Visser, C. Walsh +4
Aims: Our aim is to determine the critical parameters in water chemistry and the contribution of water to the oxygen budget by observing and modelling water gas and ice for a sampl…
The Earliest Phases of Star formation (EPoS): Temperature, density, and kinematic structure of the star-forming core CB 17
M. Schmalzl, R. Launhardt, A. M. Stutz +7
Context: The initial conditions for the gravitational collapse of molecular cloud cores and the subsequent birth of stars are still not well constrained. The characteristic cold te…
Waterfalls around protostars: Infall motions towards Class 0/I envelopes as probed by water
J. C. Mottram, E. F. van Dishoeck, M. Schmalzl +4
Abridged abstract: For stars to form, material must fall inwards from core scales through the envelope towards the central protostar. The velocity profile around protostars is poor…
ALMA detection of the rotating molecular disk wind from the young star HD 163296
P. D. Klaassen, A. Juhasz, G. S. Mathews +12
Disk winds have been postulated as a mechanism for angular momentum release in protostellar systems for decades. HD 163296 is a Herbig Ae star surrounded by a disk and has been sho…
Star formation in the Taurus filament L1495: From Dense Cores to Stars
Markus Schmalzl, Jouni Kainulainen, Sascha P. Quanz +6
We present a study of dense structures in the L1495 filament in the Taurus Molecular Cloud and examine its star-forming properties. In particular we construct a dust extinction map…
Looking into the hearts of Bok globules: MM and submm continuum images of isolated star-forming cores
R. Launhardt, D. Nutter, D. Ward-Thompson +6
We present the results of a comprehensive infrared, submillimetre, and millimetre continuum emission study of isolated low-mass star-forming cores in 32 Bok globules, with the aim…