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Atomic Shocks in the Outflow of L1551 IRS 5 Identified with SOFIA-upGREAT Observations of [OI]
Yao-Lun Yang, Neal J. Evans, Agata Karska +5
We present velocity resolved SOFIA/upGREAT observations of [OI] and [CII] lines toward a Class I protostar, L1551 IRS 5, and its outflows. The SOFIA observations detect [OI] emissi…
Linking High- and Low-Mass Star Formation: Observation-Based Continuum Modelling and Physical Conditions
R. L. Pitts, L. E. Kristensen, J. K. Jørgensen +1
Astronomers have yet to establish whether high-mass protostars form from high-mass prestellar cores, similar to their lower-mass counterparts, or from lower-mass fragments at the h…
Signatures of UV radiation in low-mass protostars I. Origin of HCN and CN emission in the Serpens Main region
A. Mirocha, A. Karska, M. Gronowski +6
Context: Ultraviolet radiation (UV) influences the physics and chemistry of star-forming regions, but its properties and significance in the immediate surroundings of low-mass prot…
Protostellar Interferometric Line Survey of the Cygnus X region (PILS-Cygnus) -- First results: observations of CygX-N30
S. J. van der Walt, L. E. Kristensen, J. K. Jørgensen +5
(Abridged) Complex organic molecules (COMs) are commonly detected in and near star-forming regions. However, the dominant process in the release of these COMs from the icy grains -…
Fitting infrared ice spectra with genetic modelling algorithms. Presenting the ENIIGMA fitting tool
Will R. M. Rocha, Giulia Perotti, Lars E. Kristensen +1
Context. A variety of laboratory ice spectra simulating different chemical environments, ice morphology as well as thermal and energetic processing are demanded to provide an accur…
ALMA observations of doubly deuterated water: Inheritance of water from the prestellar environment
S. S. Jensen, J. K. Jørgensen, L. E. Kristensen +5
Establishing the origin of the water D/H ratio in the Solar System is central to our understanding of the chemical trail of water during the star and planet formation process. Rece…
Water in star-forming regions (WISH): Physics and chemistry from clouds to disks as probed by Herschel spectroscopy
E. F. van Dishoeck, L. E. Kristensen, the WISH team
(abridged) Data and results from the WISH key program are summarized, designed to provide a legacy data set to address its physics and chemistry. WISH targeted ~80 sources along th…