Results 91 to 100 of about 64,604 (243)
Plasma properties from the multi-wavelength analysis of the November 1st 2003 CME/shock event
The analysis of the spectral properties and dynamic evolution of a CME/shock event observed on November 1st 2003 in white-light by the LASCO coronagraph and in the ultraviolet by the UVCS instrument operating aboard SOHO, has been performed to compute ...
Carlo Benna +3 more
doaj +1 more source
The slowly variable star FY Lacertae
Photometric observations and analysis of FY Lac were performed in order to determine the variability characteristics, using measurements taken at Loiano site of Bologna Astronomical Observatory and AAVSO data.
Benna, Carlo +6 more
core
Context. A major challenge in modeling classical Cepheids is the treatment of convection, particularly its complex interplay with pulsation. This inherently three-dimensional (3D) process is typically approximated in one-dimensional (1D) hydrocodes ...
Deka M. +11 more
doaj +1 more source
Context. The transition regime between giant planets (GPs) and brown dwarfs (BDs) is still an open subject of study in exoplanetary science. A complete understanding of the population of long-period GPs and BDs would be pivotal for improving our ...
Pinamonti M. +26 more
doaj +1 more source
VST-SMASH: VST Survey of Mass Assembly and Structural Hierarchy
Context. Understanding the formation and evolution of late-type galaxies requires deep imaging for tracing the faintest stellar components in their outskirts (i.e. accreted material, diffuse halos, and tidal streams).
Ragusa R. +11 more
doaj +1 more source
True masses using radial velocity data with HIPPARCOS and Gaia astrometry
Context. Long-period companions are detected and characterised thanks to long-baseline radial velocity surveys. By combining Doppler time series with astrometry, and in particular with the proper motion anomalies technique, it is possible to put strong ...
Piccinini G. +5 more
doaj +1 more source
How do recollimation-induced instabilities shape the propagation of hydrodynamic relativistic jets?
Context. Recollimation is a phenomenon of particular importance in the dynamical evolution of jets and in the emission of high-energy radiation. Additionally, the full comprehension of this phenomenon provides insights into fundamental properties of jets
Costa A. +6 more
doaj +1 more source
Broad-band properties of flat-spectrum radio-loud narrow-line Seyfert 1 galaxies
We report about recent updates of broad-band properties of radio-loud narrow-line Seyfert 1 galaxies.Comment: 5 pages, no figures. Proceedings 28th Texas Symposium on Relativistic Astrophysics, Geneva (Switzerland), 13-18 December ...
Angelakis, E. +29 more
core

