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178 papers · 1 filter
Exploring the crowded central region of 10 Galactic globular clusters using EMCCDs. Variable star searches and new discoveries
R. Figuera Jaimes, D. M. Bramich, J. Skottfelt +31
Obtain time-series photometry of the very crowded central regions of Galactic globular clusters with better angular resolution than previously achieved with conventional CCDs on gr…
Master equation for collective spontaneous emission with quantized atomic motion
François Damanet, Daniel Braun, John Martin
We derive a markovian master equation for the internal dynamics of an ensemble of two-level atoms including all effects related to the quantization of their motion. Our equation pr…
Stellar laboratories. VI. New Mo IV - VII oscillator strengths and the molybdenum abundance in the hot white dwarfs G191-B2B and RE0503-289
T. Rauch, P. Quinet, D. Hoyer +3
For the spectral analysis of high-resolution and high-signal-to-noise (S/N) spectra of hot stars, state-of-the-art non-local thermodynamic equilibrium (NLTE) model atmospheres are…
Cassini in situ observations of long-duration magnetic reconnection in Saturn's magnetotail
Christopher S. Arridge, Jonathan P. Eastwood, Caitriona M. Jackman +15
Magnetic reconnection is a fundamental process in solar system and astrophysical plasmas, through which stored magnetic energy associated with current sheets is converted into ther…
Composite dark matter and direct-search experiments
Quentin Wallemacq
We reinterpret the results of the direct searches for dark matter in terms of composite dark matter, i.e. dark matter particles that form neutral bound states, generically called d…
The XXL survey XIV. AAOmega redshifts for the southern XXL field
C. Lidman, F. Ardila, M. Owers +15
We present a catalogue containing the redshifts of 3,660 X-ray selected targets in the XXL southern field. The redshifts were obtained with the AAOmega spectrograph and 2dF fibre p…