Per Bjerkeli
Per Bjerkeli is part of the the unit of Galactic Astronomy, under the division for Astronomy and Plasma Physics. His research interests are mainly in the field of star- and planet formation, with focus on molecular outflows and the initial conditions for planet formation. Per’s research is funded by a grant from the Swedish Research Council (Vetenskapsrådet).
Showing 53 publications
Possible episodic infall towards a compact disk in B335
Linking ice and gas in the Coronet cluster in Corona Australis
Emission from HCN and CH3OH in comets Onsala 20-m observations and radiative transfer modelling
Linking ice and gas in the λ Orionis Barnard 35A cloud
Effect of the 3D distribution on water observations made with the SWI: I. Ganymede
Resolving star and planet formation with ALMA
The ALMA-PILS survey: gas dynamics in IRAS 16293-2422 and the connection between its two protostars
Kinematics around the B335 protostar down to au scales
The ALMA-PILS survey: propyne (CH3CCH) in IRAS 16293–2422
Evidence for the start of planet formation in a young circumstellar disk
EXTERNALLY HEATED PROTOSTELLAR CORES in the OPHIUCHUS STAR-FORMING REGION
Protostellar and cometary detections of organohalogens
A young bipolar outflow from IRAS 15398-3359
Water around IRAS 15398-3359 observed with ALMA
Resolved images of a protostellar outflow driven by an extended disk wind.
Water distribution in shocked regions of the NGC 1333-IRAS 4A protostellar outflow
First spectrally-resolved H-2 observations towards HH 54 Low H2O abundance in shocks
Physical properties of outflows Comparing CO- and H2O-based parameters in Class 0 sources
Mapping water in protostellar outflows with Herschel PACS and HIFI observations of L1448-C
Multi-line detection of O2 toward rho Ophiuchi A
In-orbit performance of Herschel-HIFI
Water in molecular outflows and shocks: Studies with Odin and Herschel
Herschel observations of the Herbig-Haro objects HH52-54
Hydrides in young stellar objects: Radiation tracers in a protostar-disk-outflow system
Herschel-PACS spectroscopy of the intermediate mass protostar NGC 7129 FIRS 2
Water vapor toward starless cores: The Herschel view
Origin of the hot gas in low-mass protostars Herschel-PACS spectroscopy of HH 46
Water in massive star-forming regions: HIFI observations of W3 IRS5
Water in low-mass star-forming regions with Herschel. HIFI spectroscopy of NGC 1333
Observations and analysis of water in molecular outflows and shocks
Water cooling of shocks in protostellar outflows Herschel-PACS map of L1157
Sensitive limits on the abundance of cold water vapor in the DM Tauri protoplanetary disk
Water abundance variations around high-mass protostars: HIFI observations of the DR21 region
Water abundances in high-mass protostellar envelopes: Herschel observations with HIFI
Herschel observations of the hydroxyl radical (OH) in young stellar objects
Herschel/HIFI spectroscopy of the intermediate mass protostar NGC 7129 FIRS 2
Herschel/HIFI observations of high-J CO lines in the NGC 1333 low-mass star-forming region
Variations in H2O+/H2O ratios toward massive star-forming regions
Odin observations of water in molecular outflows and shocks
Stars and gas in the Medusa merger
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Showing 5 research projects
Protostellar Interferometric Line Survey (PILS)
Young Outflows and Disks with ALMA (YODA)
From the beginning to the end of planetary systems: their birth, life and death
Star formation with ALMA: Outflows, infall and chemistry in the inner regions around protostars
Key-Programmes with Herschel. The circle of Stellar life