Eskil Varenius
Senior Research Engineer at
Space Geodesy and Geodynamics
Eskil Varenius is a senior research engineer in the group Space geodesy and geodynamics. He uses very long baseline interferometry (VLBI) techniques to relate positions on Earth to far-away galaxies. VLBI observations are used to study geodynamical processes such as plate tectonics, Earth rotation, and land uplift, but also to obtain sharp images of astronomical objects such as galaxies, supernovae and black holes. In addition to a fundamental understanding of space, Earth and the environment, VLBI results are used in other research areas which affect society, such as climate modeling and navigation.
Source: chalmers.se
Showing 26 publications
2020
The case against gravitational millilensing in the multiply-imaged quasar B1152+199
Saghar Asadi, Erik Zackrisson, Eskil Varenius et al
Monthly Notices of the Royal Astronomical Society. Vol. 492 (1), p. 742-748
Journal article
2019
The population of SNe/SNRs in the starburst galaxy Arp 220 - A self-consistent analysis of 20 years of VLBI monitoring
Eskil Varenius, John Conway, Fabien Batejat et al
Astronomy and Astrophysics. Vol. 623
Journal article
2019
The hidden heart of the luminous infrared galaxy IC 860: I. A molecular inflow feeding opaque, extreme nuclear activity
Susanne Aalto, Sebastien Muller, Sabine König et al
Astronomy and Astrophysics. Vol. 627
Journal article
2018
Sub-arcsecond imaging of Arp 299-A at 150 MHz with LOFAR: Evidence for a starburst-driven outflow
Naim Ramirez-Olivencia, Eskil Varenius, M.A. Pérez-Torres et al
Astronomy and Astrophysics. Vol. 610
Journal article
2018
Major impact from a minor merger The extraordinary hot molecular gas flow in the Eye of the NGC 4194 Medusa galaxy
Sabine König, Susanne Aalto, Sebastien Muller et al
Astronomy and Astrophysics. Vol. 615
Journal article
2018
A search for radio emission from exoplanets around evolved stars
Eamon O Gorman, C. P. Coughlan, Wouter Vlemmings et al
Astronomy and Astrophysics. Vol. 612
Journal article
2018
A dust-enshrouded tidal disruption event with a resolved radio jet in a galaxy merger
S. Mattila, M.A. Pérez-Torres, A. Efstathiou et al
Science. Vol. 361 (6401), p. 482-485
Journal article
2017
Methanol masers reveal the magnetic field of the high-mass protostar IRAS 18089-1732
Daria Dall` Olio, Wouter Vlemmings, G. Surcis et al
Astronomy and Astrophysics. Vol. 607
Journal article
2017
γ-Ray emission from Arp 220: indications of an active galactic nucleus
T. M. Yoast-Hull, J. S. Gallagher III, Susanne Aalto et al
Monthly Notices of the Royal Astronomical Society. Vol. 469 (1), p. L89-L93
Journal article
2017
The LOFAR Two-metre Sky Survey: I. Survey description and preliminary data release
T. W. Shimwell, H. Rottgering, P. N. Best et al
Astronomy and Astrophysics. Vol. 598, p. Art no A104-
Journal article
2017
Atomic hydrogen bridge fueling NGC 4418 with gas from VV 655
Eskil Varenius, Francesco Costagliola, H. R. Klockner et al
Astronomy and Astrophysics. Vol. 607
Journal article
2016
Hard and Software Tools for the Education of Geodetic VLBI
Thomas Hobiger, Rüdiger Haas, Eskil Varenius
IVS 2016 General Meeting Proceedings "New Horizons with VGOS" (NASA/CP-2016-219016), p. 234-238
Conference contribution
2016
Subarcsecond international LOFAR radio images of Arp 220 at 150 MHz: A kpc-scale star forming disk surrounding nuclei with shocked outflows
Eskil Varenius, John Conway, Ivan Marti-Vidal et al
Astronomy and Astrophysics. Vol. 593, p. A86-
Journal article
2016
LOFAR VLBI studies at 55 MHz of 4C 43.15, a z=2.4 radio galaxy
L. K. Morabito, A. T. Deller, H. Rottgering et al
Monthly Notices of the Royal Astronomical Society. Vol. 461 (3), p. 2676-2687
Journal article
2016
Hard- and software tools for the education of Geodetic VLBI
Thomas Hobiger, Rüdiger Haas, Eskil Varenius
9th IVS General Meeting, March 2016, Johannesburg, South Africa
Conference poster
2016
LBCS: The LOFAR Long-Baseline Calibrator Survey
N. Jackson, A. Tagore, A. Deller et al
Astronomy and Astrophysics. Vol. 595, p. Art no A86-
Journal article
2016
Investigating the origin of radio emission in nearby starburst galaxies via high-resolution metre and centimetre observations
Eskil Varenius
Doctoral thesis
2015
Subarcsecond international LOFAR radio images of the M82 nucleus at 118 MHz and 154 MHz
Eskil Varenius, John Conway, Ivan Marti-Vidal et al
Astronomy and Astrophysics. Vol. 574, p. Art. no. A114-
Journal article
2015
Diversity in extinction laws of Type Ia supernovae measured between 0.2 and 2 μm
R. Amanullah, J. Johansson, A. Goobar et al
Monthly Notices of the Royal Astronomical Society. Vol. 453 (3), p. 3300-3328
Journal article
2015
LBCS: The LOFAR long baseline snapshot calibrator survey
J. Moldon, A. T. Deller, O. Wucknitz et al
Astronomy and Astrophysics. Vol. 574, p. Art. no. A73-
Journal article
2015
The LOFAR Multifrequency Snapshot Sky Survey (MSSS) I. Survey description and first results
G. H. Heald, R. F. Pizzo, E. Orru et al
Astronomy and Astrophysics. Vol. 582, p. 22-
Journal article
2014
EVN imaging of the LIRGI sample
Naim Ramirez-Olivencia, M.A. Pérez-Torres, Antxon Alberdi et al
Proceedings of Science. 12th European VLBI Network Symposium and Users Meeting, EVN 2014 ; Cagliari; Italy; 7 October 2014 through 10 October 2014. Vol. F113821, p. 009-
Conference contribution
2014
The LOFAR long baseline snapshot calibrator survey
J. Moldón, A. T. Deller, J. P. McKean et al
Proceedings of Science. 12th European VLBI Network Symposium and Users Meeting, EVN 2014 ; Cagliari; Italy; 7-10 October 2014. Vol. F113821, p. 097-
Conference contribution
2014
The radio core structure of the luminous infrared galaxy NGC4418 A young clustered starburst revealed?
Eskil Varenius, John Conway, Ivan Marti-Vidal et al
Astronomy and Astrophysics. Vol. 566
Journal article
2014
Discovery of Carbon Radio Recombination Lines in M82
L. K. Morabito, J. B. R. Oonk, F. Salgado et al
Astrophysical Journal Letters. Vol. 795 (2), p. Art. no. L33-
Journal article
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