Per Bjerkeli

Doktor at Space, Earth and Environment, Astronomy and Plasmaphysics, Galactic Astrophysics

Per Bjerkeli is a postdoctoral researcher, stationed at the Centre for Star and Planet Formation (Starplan) in Copenhagen, Denmark. Research interests are mainly in the field of star- and planet formation, with focus on the physics and chemistry of molecular outflows and shocks.

Source: chalmers.se

Projects

2015–2016

From the beginning to the end of planetary systems: their birth, life and death

René Liseau Radio Astronomy and Astrophysics
Per Bjerkeli Radio Astronomy and Astrophysics
Kay Justtanont Radio Astronomy and Astrophysics
Michael Olberg Onsala Space Observatory
Wouter Vlemmings Radio Astronomy and Astrophysics
Swedish National Space Board

2012–2014

Key-Programmes with Herschel. The circle of Stellar life

René Liseau Radio Astronomy and Astrophysics
Taissa Danilovich Radio Astronomy and Astrophysics
Per Bjerkeli Radio Astronomy and Astrophysics
Joachim Wiegert Radio Astronomy and Astrophysics
Swedish National Space Board

There might be more projects where Per Bjerkeli participates, but you have to be logged in as a Chalmers employee to see them.

Publications

2017

EXTERNALLY HEATED PROTOSTELLAR CORES in the OPHIUCHUS STAR-FORMING REGION

Johan E. Lindberg, Steven B. Charnley, Jes K. Jørgensen et al
Astrophysical Journal. Vol. 835 (1), p. 3
Scientific journal article - peer reviewed
2017

The ALMA-PILS survey: First detections of ethylene oxide, acetone and propanal toward the low-mass protostar IRAS 16293-2422

J. M. Lykke, A. Coutens, J. K. Jørgensen et al
Astronomy and Astrophysics. Vol. 597, p. A53
Scientific journal article - peer reviewed
2016

Resolved images of a protostellar outflow driven by an extended disk wind.

Per Bjerkeli, Matthijs H D van der Wiel, Daniel Harsono et al
Nature. Vol. 540 (7633), p. 406-409
Scientific journal article - peer reviewed
2016

The ALMA Protostellar Interferometric Line Survey (PILS) First results from an unbiased submillimeter wavelength line survey of the Class 0 protostellar binary IRAS 16293-2422 with ALMA

J. K. Jorgensen, M. H. D. van der Wiel, A. Coutens et al
Astronomy & Astrophysics. Vol. 595, p. Art no A117
Scientific journal article - peer reviewed
2016

Water around IRAS 15398-3359 observed with ALMA

Per Bjerkeli, J. K. Jørgensen, E. A. Bergin et al
Astronomy and Astrophysics. Vol. 595, p. Art no A39
Scientific journal article - peer reviewed
2016

The ALMA-PILS survey: First detections of deuterated formamide and deuterated isocyanic acid in the interstellar medium

A. Coutens, J. K. Jørgensen, M. H D Van Der Wiel et al
Astronomy and Astrophysics. Vol. 590, p. Art. no. L6
Scientific journal article - peer reviewed
2016

A young bipolar outflow from IRAS 15398-3359

Per Bjerkeli, J. K. Jorgensen, C. Brinch et al
Astronomy & Astrophysics. Vol. 587
Scientific journal article - peer reviewed
2014

First spectrally-resolved H-2 observations towards HH 54 Low H2O abundance in shocks

G. Santangelo, S. Antoniucci, B. Nisini et al
Astronomy and Astrophysics. Vol. 569, p. Art. no. L8
Scientific journal article - peer reviewed
2014

Resolving the shocked gas in HH 54 with Herschel. CO line mapping at high spatial and spectral resolution

Per Bjerkeli, René Liseau, C. Brinch et al
Astronomy and Astrophysics. Vol. 571, p. A90
Scientific journal article - peer reviewed
2014

Water distribution in shocked regions of the NGC 1333-IRAS 4A protostellar outflow

G. Santangelo, B. Nisini, C. Codella et al
Astronomy and Astrophysics. Vol. 568, p. Article no. A125
Scientific journal article - peer reviewed
2013

Physical properties of outflows Comparing CO- and H2O-based parameters in Class 0 sources

Per Bjerkeli, René Liseau, B. Nisini et al
Astronomy and Astrophysics. Vol. 552
Scientific journal article - peer reviewed
2013

Mapping water in protostellar outflows with Herschel PACS and HIFI observations of L1448-C

B. Nisini, G. Santangelo, S. Antoniucci et al
Astronomy and Astrophysics. Vol. 549
Scientific journal article - peer reviewed
2012

H2O line mapping at high spatial and spectral resolution Herschel observations of the VLA 1623 outflow

Per Bjerkeli, René Liseau, B. Larsson et al
Astronomy and Astrophysics. Vol. 546, p. Article Number: A29
Scientific journal article - peer reviewed
2012

Multi-line detection of O2 toward rho Ophiuchi A

René Liseau, P. F. Goldsmith, B. Larsson et al
Astronomy and Astrophysics. Vol. 541
Scientific journal article - peer reviewed
2012

In-orbit performance of Herschel-HIFI

P. R. Roelfsema, F. P. Helmich, D. Teyssier et al
Astronomy and Astrophysics. Vol. 537, p. Article Number: A17
Scientific journal article - peer reviewed
2011

Herschel observations of the Herbig-Haro objects HH52-54

Per Bjerkeli, René Liseau, B. Nisini et al
Astronomy and Astrophysics. Vol. 533
Scientific journal article - peer reviewed
2011

Water in Star-forming Regions with the Herschel Space Observatory (WISH). I. Overview of Key Program and First Results

E. F. van Dishoeck, L. E. Kristensen, A. O. Benz et al
Publications of the Astronomical Society of the Pacific. Vol. 123 (900), p. 138-170
Scientific journal article - peer reviewed
2010

Herschel/HIFI detections of hydrides towards AFGL 2591 Envelope emission versus tenuous cloud absorption

S. Bruderer, A. O. Benz, E. F. van Dishoeck et al
Astronomy and Astrophysics. Vol. 521, p. Article Number: L44
Scientific journal article - peer reviewed
2010

Water vapor toward starless cores: The Herschel view

P. Caselli, E. Keto, L. Pagani et al
Astronomy & Astrophysics. Vol. 521
Scientific journal article - peer reviewed
2010

Herschel/HIFI observations of high-J CO lines in the NGC 1333 low-mass star-forming region

U. A. Yildiz, E. F. van Dishoeck, L. E. Kristensen et al
Astronomy & Astrophysics. Vol. 521 (1), p. L40+
Scientific journal article - peer reviewed
2010

Variations in H2O+/H2O ratios toward massive star-forming regions

F. Wyrowski, F. van der Tak, F. Herpin et al
Astronomy & Astrophysics. Vol. 521 (1), p. L34+
Scientific journal article - peer reviewed
2010

Herschel observations of the hydroxyl radical (OH) in young stellar objects

S. F. Wampfler, G. J. Herczeg, S. Bruderer et al
Astronomy & Astrophysics. Vol. 521 (1), p. Art. Nr. L36
Scientific journal article - peer reviewed
2010

Water abundances in high-mass protostellar envelopes: Herschel observations with HIFI

M. G. Marseille, F. F. S. van der Tak, F. Herpin et al
Astronomy & Astrophysics. Vol. 521, p. L32+
Scientific journal article - peer reviewed
2010

Water in low-mass star-forming regions with Herschel. HIFI spectroscopy of NGC 1333

L. E. Kristensen, R. Visser, E. F. van Dishoeck et al
Astronomy & Astrophysics. Vol. 521 (1), p. Art. Nr. L30
Scientific journal article - peer reviewed
2010

Herschel/HIFI spectroscopy of the intermediate mass protostar NGC 7129 FIRS 2

D. Johnstone, M. Fich, C. McCoey et al
Astronomy & Astrophysics. Vol. 521, p. L41+
Scientific journal article - peer reviewed
2010

Water in massive star-forming regions: HIFI observations of W3 IRS5

L. Chavarría, F. Herpin, T. Jacq et al
Astronomy & Astrophysics. Vol. 521, p. L37+
Scientific journal article - peer reviewed
2010

Sensitive limits on the abundance of cold water vapor in the DM Tauri protoplanetary disk

E. A. Bergin, M. R. Hogerheijde, C. Brinch et al
Astronomy & Astrophysics. Vol. 521, p. L33+
Scientific journal article - peer reviewed
2010

Hydrides in young stellar objects: Radiation tracers in a protostar-disk-outflow system

A. O. Benz, S. Bruderer, E. F. van Dishoeck et al
Astronomy & Astrophysics. Vol. 521, p. L35+
Scientific journal article - peer reviewed
2010

Origin of the hot gas in low-mass protostars Herschel-PACS spectroscopy of HH 46

T. A. van Kempen, L. E. Kristensen, G. J. Herczeg et al
Astronomy and Astrophysics. Vol. 518 (Article Number: L121 )
Scientific journal article - peer reviewed
2010

Water cooling of shocks in protostellar outflows Herschel-PACS map of L1157

B. Nisini, M. Benedettini, C. Codella et al
Astronomy and Astrophysics. Vol. 518 (Article Number: L120)
Scientific journal article - peer reviewed
2010

Water abundance variations around high-mass protostars: HIFI observations of the DR21 region

F. F. S. van der Tak, M. G. Marseille, F. Herpin et al
Astronomy and Astrophysics. Vol. 518 (Article Number: L107 )
Scientific journal article - peer reviewed
2010

Herschel-PACS spectroscopy of the intermediate mass protostar NGC 7129 FIRS 2

M. Fich, D. Johnstone, T. A. van Kempen et al
Astronomy and Astrophysics. Vol. 518 (Article Number: L86 )
Scientific journal article - peer reviewed
2009

Odin observations of water in molecular outflows and shocks

Per Bjerkeli, René Liseau, Michael Olberg et al
Astronomy & Astrophysics. Vol. 507 (3), p. 1455-1466
Scientific journal article - peer reviewed
2008

Stars and gas in the Medusa merger

E. Manthey, S. Hüttemeister, Susanne Aalto et al
Astronomy & Astrophysics. Vol. 490, p. 975-987
Scientific journal article - peer reviewed