Freddy Christiansen

Freddy Christiansen

Forsker

DTU SPACE
Institut for Rumforskning og Rumteknologi

Astrofysik og atmosfærefysik

Danmarks Tekniske Universitet

Elektrovej

Bygning 328, rum 208

2800 Kgs. Lyngby

Tlf.
Fax 45 25 95 75
E-mail fch@space.dtu.dk
ORCID 0000-0001-9415-0621

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Publikationer
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2019
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The Modular X- and Gamma-Ray Sensor (MXGS) of the ASIM Payload on the International Space Station

Østgaard, Nikolai ; Balling, Jan E. ; Bjørnsen, Thomas ; Brauer, Peter ; Budtz-Jørgensen, Carl ; Bujwan, Waldemar ; Carlson, Brant ; Christiansen, Freddy ; Connell, Paul ; Eyles, Chris ; Fehlker, Dominik ; Genov, Georgi ; Grudziński, Pawel ; Kochkin, Pavlo ; Kohfeldt, Anja ; Kuvvetli, Irfan ; Thomsen, Per Lundahl ; Pedersen, Søren Møller ; Navarro-Gonzalez, Javier ; Neubert, Torsten ; Njøten, Kåre ; Orleanski, Piotr ; Qureshi, Bilal ; Cenkeramaddi, Linga ; Reglero, Victor ; Reina, Manuel ; Rodrigo, Juan ; Rostad, Maja ; Sabau, Maria ; Kristensen, Steen Savstrup ; Skogseide, Yngve ; Solberg, Arne ; Stadsnes, Johan ; Ullaland, Kjetil ; Yang, Shiming
in: Space Science Reviews, vol: 215, issue: 2

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2019     |    DOI: https://doi.org/10.1007/s11214-018-0573-7

2015
 

A method to derive maps of ionospheric conductances, currents, and convection from the Swarm multisatellite mission

Amm, O. ; Vanhamäki, H. ; Kauristie, K. ; Stolle, Claudia ; Christiansen, Freddy ; Haagmans, R. ; Masson, A. ; Taylor, M. G. G. T. ; Floberghagen, R. ; Escoubet, C. P.
in: Journal of Geophysical Research: Space Physics, vol: 120, pages: 3263-3282

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2015     |    DOI: https://doi.org/10.1002/2014JA020154

  PDF

POGO satellite orbit corrections: an opportunity to improve the quality of the geomagnetic field measurements?

Stockmann, Reto ; Christiansen, Freddy ; Olsen, Nils ; Jackson, Andrew
in: Earth, Planets and Space, vol: 67

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2015     |    DOI: https://doi.org/10.1186/s40623-015-0254-7

2010
 

Asymmetric structures of field-aligned currents and convection of ionospheric plasma controlled by the IMF azimuthal component and season of year

Lukianova, R. Yu. ; Kozlovsky, A. ; Christiansen, Freddy
in: Geomagnetism and Aeronomy, vol: 50, issue: 5, pages: 667-678

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2010     |    DOI: https://doi.org/10.1134/S0016793210050142

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Soteria deliverable 4.3: Solar wind–magnetosphere coupling and the terrestrial impact

Vennerstrøm, Susanne ; Christiansen, Freddy ; Asikainen, Timo ; Mursula, Kalevi ; Crespon, François ; Tátrallyay, M. ; Kecskeméty, K. ; Németh, Z. ; Kuzin, S. V. ; Slemzin, V. A. ; Ulyanov, A. S. ; Bogachev, S. A. ; Sylwester, J. ; Gburek, S. ; Podgorski, P. ; Kowalinski, M. ; Verigin, M. I.

Type: Report

Status: Published     |    År: 2010

2009
 

Are small-scale field-aligned currents and magneto sheath-like particle precipitation signatures of the same low-altitude cusp?

Watermann, J. ; Stauning, P. ; Luhr, H. ; Newell, P.T. ; Christiansen, Freddy ; Schlegel, K.
in: Advances in Space Research, vol: 43, issue: 1, pages: 41-46

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2009     |    DOI: https://doi.org/10.1016/j.asr.2008.03.031

2008
 

Asymmetric distribution of the ionospheric electric potential in the opposite hemispheres as inferred from the SuperDARN observations and FAC-based convection model

Lukianova, R. ; Hanuise, C. ; Christiansen, Freddy
in: Journal of Atmospheric and Solar-Terrestrial Physics, vol: 70, issue: 18, pages: 2324-2335

Type: Conference article (Peer reviewed)

Status: Published     |    År: 2008     |    DOI: https://doi.org/10.1016/j.jastp.2008.05.015

 

Modeling the UT effect in global distribution of ionospheric electric fields

Lukianova, R. ; Christiansen, Freddy
in: Journal of Atmospheric and Solar-Terrestrial Physics, vol: 70, issue: 2-4, pages: 637-645

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2008     |    DOI: https://doi.org/10.1016/j.jastp.2007.08.047

 

Reprocessing of POGO Satellite Data

Olsen, Nils ; Christiansen, Freddy ; Jackson, A.
Presented at:
GEOSPACE Meeting

Type: Poster

Status: Published     |    År: 2008

2007
 

On the cause of IMF By related mid- and low latitude magnetic disturbances

Vennerstrøm, Susanne ; Christiansen, Freddy ; Olsen, Nils ; Moretto, T.
in: Geophysical Research Letters, vol: 34, issue: 16

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2007     |    DOI: https://doi.org/10.1029/2007GL030175