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9 papers · 1 filter
Linking two consecutive nonmerging magnetic clouds with their solar sources
S. Dasso, C. H. Mandrini, B. Schmieder +10
On 15 May 2005, a huge interplanetary coronal mass ejection (ICME) was observed near Earth. It triggered one of the most intense geomagnetic storms of solar cycle 23 (Dst peak = -2…
The magnetic coupling of planets and small bodies with a pulsar's wind
Fabrice Mottez, Jean Heyvaerts
We investigate the electromagnetic interaction of a relativistic stellar wind with a planet or a smaller body in orbit around a pulsar. This may be relevant to objects such as PSR…
On the role of Alfvén waves as precursors of quasi-static acceleration processes in the Earth auroral zone
Fabrice Mottez
In the Earth auroral zone, the electron acceleration by Alfvén waves is sometimes a precursor of the non-propagating acceleration structures. In order to investigate how Alfvén wav…
Starlight Demonstration of the Dragonfly Instrument: an Integrated Photonic Pupil Remapping Interferometer for High Contrast Imaging
N. Jovanovic, P. G. Tuthill, B. Norris +13
In the two decades since the first extra-solar planet was discovered, the detection and characterization of extra-solar planets has become one of the key endeavors in all of modern…
A chemical model for the atmosphere of hot Jupiters
Olivia Venot, Eric Hébrard, Marcelino Agùndez +5
Our purpose is to release a chemical network, and the associated rate coefficients, developed for the temperature and pressure range relevant to hot Jupiters atmospheres. Using thi…
The conceptual origins of gravitational lensing
David Valls-Gabaud
We critically examine the evidence available of the early ideas on the bending of light due to a gravitational attraction, which led to the concept of gravitational lenses, and att…