Karine le Bail

Associate Professor at Onsala Space Observatory

Karine Le Bail joined the Space Geodesy and Geodynamics unit at the Onsala Space Observatory as a senior researcher in June 2020. Her research activities are focused on the geodetic technique of the Very Long Baseline Interferometry Global Observing System (VGOS), with special emphasis on topics as radiosource structure and atmospheric turbulence.

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Showing 37 publications

2025

Operational studies of the Onsala Twin Telescopes

Lim Chin Chuan, Rüdiger Haas, Karine le Bail
Proceedings of the 27th European VLBI Group for Geodesy and Astrometry Working Meeting, p. 91-95
Paper in proceeding
2025

Earth’s position in the Universe

Karine le Bail
Nature Physics. Vol. 21 (6), p. 1027-
Other text in scientific journal
2025

Holographic Characterization of the Onsala Twin Telescopes

Mugundhan Vijayaraghavan, Rebekka Handirk, Gary Hovey et al
Proceedings of the 27th European VLBI Group for Geodesy and Astrometry Working Meeting, p. 96-99
Paper in proceeding
2025

Flux density monitoring at VGOS frequencies with the Onsala Twin Telescopes

Alva Kinman, Rüdiger Haas, Karine le Bail et al
Proceedings of the 27th European VLBI Group for Geodesy and Astrometry Working Meeting, p. 44-48
Paper in proceeding
2025

Evaluation of Terrestrial and Celestial Reference Frames Estimated From VGOS Data .

Tobias Nilsson, Rüdiger Haas, Karine le Bail
Proceedings of the 27th European VLBI Group for Geodesy and Astrometry Working Meeting, p. 59-63
Paper in proceeding
2025

VLBI-scale of the ITRF2020-u2023

Karine le Bail, Masafumi Ishigaki, Tobias Nilsson et al
Proceedings of the 27th European VLBI Group for Geodesy and Astrometry Working Meeting, p. 54-58
Paper in proceeding
2024

LEO satellites and antenna performance investigations with the Onsala Twin Telescopes

Gary Hovey, Mugundhan Vijayaraghavan, Federico Di Vruno et al
International VLBI Service for Geodesy and Astrometry 2024 General Meeting Proceedings, p. 11-15
Paper in proceeding
2024

On the importance of closely monitoring VLBI telescope reference points

Karine le Bail, Masafumi Ishigaki, Rüdiger Haas et al
International VLBI Service for Geodesy and Astrometry 2024 General Meeting Proceedings, p. 225-229
Paper in proceeding
2024

How does station position modelling affect the VLBI scale in ITRF2020?

Masafumi Ishigaki, Karine le Bail, Maxime Mouyen et al
International VLBI Service for Geodesy and Astrometry 2024 General Meeting Proceedings, p. 230-234
Paper in proceeding
2024

Geoscience Activities at the Onsala Space Observatory

Lim Chin Chuan, Rüdiger Haas, Karine le Bail et al
IVS 2024 General Meeting Proceedings
Paper in proceeding
2024

Performance of the IVS R1 and R4 sessions

Cynthia C. Thomas, Daniel MacMillan, Karine le Bail
Advances in Space Research. Vol. 73 (1), p. 317-336
Journal article
2023

Characterization of the Beam and the Aperture of the Onsala Twin Telescopes

Gary Hovey, Mugundhan Vijayaraghavan, Rüdiger Haas et al
2023 International Conference on Electromagnetics in Advanced Applications, ICEAA 2023, p. 351-
Paper in proceeding
2023

Exploring reasons for the ITRF2020 VLBI scale drift

Karine le Bail, Masafumi Ishigaki, Rüdiger Haas et al
Proceedings of the 26th Meeting of the European VLBI Group for Geodesy and Astrometry (EVGA)
Paper in proceeding
2023

Onsala Space Observatory – IVS Network Station Activities During 2021–2022

Rüdiger Haas, Eskil Varenius, Gunnar Elgered et al
Report - National Aeronautics and Space Administration (NASA)
2023

On More than Two Decades of Celestial Reference Frame VLBI Observations in the Deep South: IVS-CRDS (1995 - 2021)

S. Weston, A. De Witt, Hana Krásná et al
Publications Astronomical Society of Australia. Vol. 40
Journal article
2023

Improved modelling for future VLBI contributions to ITRF

Tobias Nilsson, Karine le Bail, Rüdiger Haas
Proceedings of the 26th Meeting of the European VLBI Group for Geodesy and Astrometry (EVGA)
Paper in proceeding
2022

Broad band flux-density monitoring of radio sources with the Onsala twin telescopes

Eskil Varenius, Francesco Maio, Karine le Bail et al
Experimental Astronomy. Vol. 54, p. 137-155
Journal article
2021

Source flux-density monitoring in the VGOS era

Karine le Bail, Eskil Varenius, Rüdiger Haas
Proceedings of the 25th Meeting of the European VLBI Group for Geodesy and Astrometry (EVGA), p. 90-94
Paper in proceeding
2021

Improving the S/X Celestial Reference Frame in the South: A Status Update

Aletha de Witt, S. Basu, Patrick Charlot et al
Proceedings of the 25th Meeting of the European VLBI Group for Geodesy and Astrometry (EVGA), p. 85-89
Paper in proceeding
2020

On the organization of CONT17

Dirk Behrend, Cynthia C. Thomas, John Gipson et al
Journal of Geodesy. Vol. 94 (10)
Journal article
2018

Extragalactic radio source stability and VLBI celestial reference frame: insights from the Allan standard deviation

César Gattano, Sebastien Lambert, Karine le Bail
Astronomy and Astrophysics. Vol. 618
Journal article
2017

Star Scheduling Mode—A New Observing Strategy for Monitoring Weak Southern Radio Sources with the AuScope VLBI Array

Lucia McCallum, David Mayer, Karine le Bail et al
Publications of the Astronomical Society of Australia. Vol. 34
Journal article
2016

The Development of the GSFC DORIS Contribution to ITRF2014

Frank G. Lemoine, Doug S. Chinn, Nikita Zelensky et al
Advances in Space Research. Vol. 58 (12), p. 2520-2504
Journal article
2016

IVS Observation of ICRF2-Gaia Transfer Sources

Karine le Bail, John Gipson, David Gordon et al
Astronomical Journal. Vol. 151 (3)
Journal article
2014

The Construction of ICRF2 and its impact on Terrestrial Reference Frame

David Gordon, Karine le Bail, Chopo Ma et al
Proceedings of the IAG General Assembly, Melbourne, Australia, June 28–July 2, 2011, Series: International Association of Geodesy Symposia. Vol. 139, p. 185-188
Paper in proceeding
2014

Quantifying the correlation between the MEI and LOD variations by decomposing LOD with Singular Spectrum Analysis

Karine le Bail, John Gipson, Daniel S. MacMillan
Proceedings of the IAG General Assembly, Melbourne, Australia, June 28–July 2, 2011, Series: International Association of Geodesy Symposia. Vol. 139, p. 473-477
Paper in proceeding
2013

Comparison of Realizations of the Terrestrial Reference Frame

Chopo Ma, Daniel S. MacMillan, Sergei Bolotin et al
Reference Frames for Applications in Geosciences, International Association of Geodesy Symposia. Vol. 138, p. 51-56
Paper in proceeding
2013

Effects of ICRF2 on the TRF, CRF, and EOP

David Gordon, Chopo Ma, Daniel S. MacMillan et al
Reference Frames for Applications in Geosciences, International Association of Geodesy Symposia. Vol. 138, p. 175-179
Paper in proceeding
2010

GSFC contribution to ITRF2008

Karine le Bail, Frank G. Lemoine, Doug S. Chinn
Advances in Space Research. Vol. 45 (12), p. 1481-1499
Journal article
2007

Stability of VLBI, SLR, DORIS and GPS positioning

Martine Feissel-Vernier, Olivier de Viron, Karine le Bail
Earth, Planets and Space. Vol. 59 (6), p. 475-497
Journal article
2007

Long-term consistency of multi-technique terrestrial reference frames, a spectral approach

Karine le Bail, Jean-Jacques Valette, Wassila Zerhouni et al
Monitoring and Understanding a Dynamic Planet with Geodetic and Oceanographic Tools, International Association of Geodesy Symposia . Vol. 130, p. 692-699
Paper in proceeding
2006

First Results of DORIS Data Analysis at Geodetic Observatory Pecny

Petr Stepanek, Urs Hugentobler, Karine le Bail
Journal of Geodesy. Vol. 80 (8-11), p. 657-664
Journal article
2006

Estimating the noise in space-geodetic positioning. The case of DORIS

Karine le Bail
Journal of Geodesy. Vol. 80 (8-11), p. 541-565
Journal article
2006

Geocentre motion measured with DORIS and SLR, and predicted by geophysical models

Martine Feissel-Vernier, Karine le Bail, Philippe Berio et al
Journal of Geodesy. Vol. 80 (8-11), p. 637-648
Journal article
2006

The International DORIS Service: genesis and early achievements

Gilles Tavernier, Hervé Fagard, Martine Feissel-Vernier et al
Journal of Geodesy. Vol. 80 (8-11), p. 403-417
Journal article
2001

Stability of the extragalactic VLBI reference frame

Anne-Marie Gontier, Karine le Bail, Martine Feissel-Vernier et al
Astronomy and Astrophysics. Vol. 375 (2), p. 661-669
Journal article

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