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- Max Planck SocietyDE483 papers
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133 papers · 1 filter
Magnetic balltracking: Tracking the photospheric magnetic flux
R. Attie, D. E. Innes
Context: One aspect of understanding the dynamics of the quiet Sun is to quantify the evolution of the flux within small-scale magnetic features. These features are routinely obser…
3D evolution of magnetic fields in a differentially rotating stellar radiative zone
Laurène Jouve, Thomas Gastine, François Lignières
The question of the origin and evolution of magnetic fields in stars possessing a radiative envelope, like the A-type stars, is still regarded as a challenge for stellar physics. T…
New Active Asteroid 313P/Gibbs
David Jewitt, Jessica Agarwal, Nuno Peixinho +5
We present initial observations of the newly-discovered active asteroid 313P/Gibbs (formerly P/2014 S4), taken to characterize its nucleus and comet-like activity. The central obje…
Kepler photometry of RRc stars: peculiar double-mode pulsations and period doubling
P. Moskalik, R. Smolec, K. Kolenberg +11
We present the analysis of four first overtone RR Lyrae stars observed with the Kepler space telescope, based on data obtained over nearly 2.5yr. All four stars are found to be mul…
Centre-to-limb properties of small, photospheric quiet Sun jets
F. Rubio da Costa, S. K. Solanki, S. Danilovic +2
Strongly Doppler-shifted Stokes profiles have been detected in the quiet Sun with the IMaX instrument on-board the SUNRISE stratospheric balloon-borne telescope. High velocitie…
Automated determination of g-mode period spacing of red-giant stars
Abhisek Datta, Anwesh Mazumdar, Umang Gupta +1
The Kepler satellite has provided photometric timeseries data of unprecedented length, duty cycle and precision. To fully analyse these data for the tens of thousands of stars obse…