368 citations
- University College LondonGB138 papers
- Centre National de la Recherche ScientifiqueFR62 papers
- Goddard Space Flight CenterUS33 papers
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- National Institute for AstrophysicsIT24 papers
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17 papers · 1 filter
A New Method to Determine X-ray Luminosity Functions of AGN and their Evolution with Redshift
Ahlam Alqasim, Mat J. Page
Almost all massive galaxies today are understood to contain supermassive black holes (SMBH) at their centers. SMBHs grew by accreting material from their surroundings, emitting X-r…
The polytropic behavior of Solar Wind protons as observed by Ulysses spacecraft during Solar minimum
Georgios Nicolaou, George Livadiotis, David J. McComas
We analyze proton bulk parameters derived from Ulysses observations and investigate the polytropic behavior of solar wind protons over a wide range of heliocentric distances and la…
Thermal energy budget of electrons in the inner heliosphere: Parker Solar Probe Observations
Joel B. Abraham, Daniel Verscharen, Robert T. Wicks +4
We present an observational analysis of the electron thermal energy budget using data from Parker Solar Probe. We use the macroscopic moments, obtained from our fits to the measure…
Sparse Bayesian mass-mapping using trans-dimensional MCMC
Augustin Marignier, Thomas Kitching, Jason D. McEwen +1
Uncertainty quantification is a crucial step of cosmological mass-mapping that is often ignored. Suggested methods are typically only approximate or make strong assumptions of Gaus…
The magnetic field environment of active region 12673 that produced the energetic particle events of September 2017
Stephanie L. Yardley, Lucie M. Green, Alexander W. James +2
Forecasting solar energetic particles (SEPs), and identifying flare/CMEs from active regions (ARs) that will produce SEP events in advance is extremely challenging. We investigate…
Thin current sheet behind the dipolarization front
Nakamura, R., Baumjohann +25
We report a unique conjugate observation of fast flows and associated current sheet disturbances in the near-Earth magnetotail by MMS (Magnetospheric Multiscale) and Cluster preced…