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
Projekter
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2019
 

A terrestrial gamma-ray flash and ionospheric ultraviolet emissions powered by lightning

Neubert, Torsten ; Østgaard, Nikolai ; Reglero, Victor ; Chanrion, Olivier ; Heumesser, Matthias ; Dimitriadou, Krystallia ; Christiansen, Freddy ; Budtz-Jørgensen, Carl ; Kuvvetli, Irfan ; Rasmussen, Ib Lundgaard ; Mezentsev, Andrey ; Marisaldi, Martino ; Ullaland, Kjetil ; Genov, Georgi ; Yang, Shiming ; Kochkin, Pavlo ; Navarro-Gonzalez, Javier ; Connell, Paul H. ; Eyles, Chris J.
in: Science

Type: Journal article (Peer reviewed)

Status: Accepted/In press     |    År: 2019     |    DOI: https://doi.org/10.1126/science.aax3872

 

Atmosphere-Space Interactions Monitor, Instrument and First Results

Kristensen, Steen Savstrup ; Balling, Jan E. ; Brauer, Peter ; Budtz-Jørgensen, Carl ; Chanrion, Olivier ; Christiansen, Freddy ; Dimitriadou, Krystallia ; Husbjerg, Lasse ; Jessen, Niels Christian ; Kuvvetli, Irfan ; Neubert, Torsten ; Oxborrow, Carol Anne ; Pedersen, Søren Møller ; Polny, Josef ; Rasmussen, Ib Lundgaard ; Reglero, Victor ; Stoltze, Christian Bang ; Tcherniak, Denis ; Thomsen, Per Lundahl ; Ostgaard, Nikolai
part of: IGARSS 2019 - IEEE International Geoscience and Remote Sensing Symposium, pages: 8811-8814, 2019, IEEE
Presented at:
IEEE International Geoscience and Remote Sensing Symposium 2019 (IGARSS 2019 )

Type: Article in proceedings (Peer reviewed)

Status: Published     |    År: 2019     |    DOI: https://doi.org/10.1109/igarss.2019.8900301

  PDF

First ten months of TGF observations by ASIM

Østgaard, N. ; Neubert, Torsten ; Reglero, V. ; Ullaland, K. ; Yang, S. ; Genov, G. ; Marisaldi, M. ; Mezentsev, A. ; Kochkin, P. ; Lehtinen, N. ; Sarria, D. ; Qureshi, B.H. ; Solberg, A. ; Maiorana, C. ; Albrechtsen, K. ; Budtz‐Jørgensen, C. ; Kuvvetli, I. ; Christiansen, F. ; Chanrion, O. ; Heumesser, M. ; Navarro‐Gonzalez, J. ; Connell, P. ; Eyles, C. ; Christian, H. ; Al‐Nussirat, S.
in: Journal of Geophysical Research: Atmospheres

Type: Journal article (Peer reviewed)

Status: Accepted/In press     |    År: 2019     |    DOI: https://doi.org/10.1029/2019jd031214

 

The First Terrestrial Electron Beam Observed by The Atmosphere‐Space Interactions Monitor

Sarria, D. ; Kochkin, P. ; Østgaard, N. ; Lehtinen, N. ; Mezentsev, A. ; Marisaldi, M. ; Carlson, B.E. ; Maiorana, C. ; Albrechtsen, K. ; Neubert, T. ; Reglero, V. ; Ullaland, K. ; Yang, S. ; Genov, G. ; Qureshi, B.H. ; Budtz‐Jørgensen, C. ; Kuvvetli, I. ; Christiansen, F. ; Chanrion, O. ; Heumesser, M. ; Dimitriadou, K. ; Navarro‐González, J. ; Connell, P. ; Eyles, C.
in: Journal of Geophysical Research: Space Physics

Type: Journal article (Peer reviewed)

Status: Accepted/In press     |    År: 2019     |    DOI: https://doi.org/10.1029/2019ja027071

  PDF

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

  PDF

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


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20 FEBRUAR 2020