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324 papers · 1 filter
Polarised light from accreting low mass X-ray binaries
F. Capitanio, A. Gnarini, S. Fabiani +5
Thanks to IXPE , the X-ray spectro-polarimeter launched at the end of 2021, X-ray polarimetry has finally become an extraordinary tool in investigating the physics of accretion in…
The He abundance in NGC 1850 A and B: are we observing the early stage of formation of multiple populations in a stellar cluster?
R. Carini, A. Sollima, E. Brocato +1
We present the result of a sample of B-stars in the Large Magellanic Cloud young double stellar cluster NGC 1850 A and NGC 1850 B, observed with the integral-field spectrograph at…
Seismic and spectroscopic analysis of 9 bright red giants observed by Kepler
H. R. Coelho, A. Miglio, T. Morel +21
Photometric time series gathered by space telescopes such as CoRoT and Kepler allow to detect solar-like oscillations in red-giant stars and to measure their global seismic constra…
Swift/XRT observations of superorbital modulations in wind-fed supergiant X-ray binaries
P. Romano, E. Bozzo, N. Islam +1
We present the first Swift/XRT long-term monitoring of 2S 0114+650, a wind-fed supergiant X-ray binary for which both orbital and superorbital periods are known (P_orb~11.6d and P_…
Nebular emission from young stellar populations including binary stars
M. Lecroq, S. Charlot, A. Bressan +8
We investigate the nebular emission produced by young stellar populations using the new GALSEVN model based on the combination of the SEVN population-synthesis code including binar…
Jeans modelling of weakly flattened stellar systems
Antonio Mancino, Luca Ciotti, Silvia Pellegrini +1
In the homoeoidal expansion, a given ellipsoidally stratified density distribution, and its associated potential, are expanded in the (small) density flattening parameter , and…