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19942026
most citedPlanck 2015 results. XIII. Cosmological parameters

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574 papers · 1 filter

astro-ph.SR2026

Luminaries in the Sky: The TESS LEGACY sample of bright stars. II. In-depth seismic characterisation of 32 naked-eye stars in the PLATO LOP fields

E. Panetier, G. T. Hookway, E. Corsaro +13

The NASA TESS mission is conducting a nearly full-sky survey, enabling the photometric characterisation of millions of stars. The forthcoming ESA PLATO mission will provide long-du…

astro-ph.SR2026

Magnetic geometry of M dwarfs in the southern PLATO field

M. Diez, P. I. Cristofari, J. Morin +9

M dwarfs are the most abundant stars in the Galaxy and exhibit diverse magnetic behaviours. Understanding their large-scale magnetic fields is essential to study stellar dynamos an…

astro-ph.SR2026

The circumstellar environment of the young, low-mass dipper star JH 223. Accretion and large-scale magnetic field topology

T. P. Freitas, J. Bouvier, B. Zaire +11

Studies of magnetospheric accretion and magnetic field topology in T Tauri stars have advanced over the years, but their applications to fully convective, very-low-mass T Tauri sta…

astro-ph.SR2026★ 1 cited

Correlation between active regions' spectra at high radio frequencies and solar flare occurrences

Sara Mulas, Alberto Pellizzoni, Marco Marongiu +31

High radio frequencies observations with the Italian network of large single-dish radio telescopes resulted in ~450 solar images between 2018 and 2023 in K-band frequency range (18…

astro-ph.SR2026

A view of the evolution of a CME and the associated wave-trains at high spatial and temporal resolution

G. Russano, Y. De Leo, F. Frassati +13

Context. Studying the kinematic and dynamic evolution of fast eruptive events from the middle to high solar corona is a primary objective of the Metis coronagraph on Solar Orbiter.…

astro-ph.SR2026

NGC 1647: A young open cluster with a broad main sequence observed with LAMOST

A. Frasca, M. Qin, J. ALonso-Santiago +4

In this work we present the results of our analysis of medium-resolution LAMOST spectra of candidate members of the cluster NGC 1647 with the aim of determining the stellar paramet…

astro-ph.SR2026★ 1 cited

From core to envelope: revealing the deep dynamics of stars with two convective zones

Sylvain N. Breton, Allan Sacha Brun, Rafael A. García

On the Hertzsprung-Russell diagram, F-type solar pulsators connect the Sun to intermediate mass stars located on the instability strip. With respect to lower mass stars, they are s…

astro-ph.SR2026

Anti-Solar Differential Rotation May Have Revived Magnetic Braking in the Subgiant 31 Aquilae

Travis S. Metcalfe, Jennifer L. van Saders, Thomas R. Ayres +16

Recent observations have shown that sufficiently slow rotation disrupts the organization of large-scale magnetic field in older main-sequence stars, leading to weakened magnetic br…

astro-ph.SR2026★ 1 cited

Core-envelope coupling of gravito-inertial waves in pre-main-sequence solar-type stars

Sylvain N. Breton, Camilla Pezzotti, Stéphane Mathis +5

After the recent detection of solar equatorial Rossby waves, a renewed interest has been brought to the study of gravito-inertial waves propagating in the convective envelope of so…

astro-ph.SR2025★ 1 cited

Rotational evolution of slow-rotator sequence stars. II. Modeling the wind braking and the rotational coupling in the entire mass range of solar-like stars

F. Spada, A. C. Lanzafame

In recent years, ground- and space-based photometric surveys have characterized the rotational evolution of solar-like stars to an unprecedented level of detail. In this work we fo…

astro-ph.SR2025

Cepheid Metallicity in the Leavitt Law (C--MetaLL) survey: VIII. High-Resolution IGRINS Spectroscopy of 23 Classical Cepheids: Validating NIR Abundances

G. Catanzaro, A. Bhardwaj, V. Ripepi +8

Context. While most chemical abundance studies of Cepheids rely on optical spectroscopy, near-infrared (NIR) observations offer advantages in terms of reduced extinction and access…

astro-ph.SR2025★ 1 cited

A scaling relationship for non-thermal radio emission from ordered magnetospheres - II. Investigating the efficiency of relativistic electron production in magnetospheres of BA-type stars

P. Leto, S. Owocki, C. Trigilio +19

Magnetic BA stars host dipole-like magnetospheres. When detected as radio sources, their luminosities correlate with the magnetic field and rotation. Rotation is crucial because th…

astro-ph.SR2025★ 1 cited

Millimetre continuum from LBV stars and their environs. NIKA2 observations and Virtual Observatory data

J. R. Rizzo, C. Bordiu, A. Ritacco

Multi-wavelength studies of their circumstellar environments around LBVs are essential to quantify their feedback at Galactic scales. Dominant emission mechanisms at millimetre wav…

astro-ph.SR2025★ 1 cited

Super-slowly rotating Ap (ssrAp) stars: New spectroscopic observations

Gautier Mathys, Daniel L. Holdsworth, Marina Giarrusso +2

The rotation periods of Ap stars range over five to six orders of magnitude. The origin of their differentiation remains unknown. We carry out a systematic study of the longest per…

astro-ph.SR2025★ 1 cited

Stellar-activity analysis of the nearby M dwarf GJ 526. Multi-dimensional Gaussian-process modelling of RV, FWHM and S-index

A. K. Stefanov, J. I. González Hernández, A. Suárez Mascareño +17

M dwarfs are the most abundant stars in the Galaxy, and their low masses make them natural favourites for exoplanet radial-velocity (RV) searches. Nevertheless, these stars often d…

astro-ph.SR2025★ 2 cited

Cepheid Metallicity in the Leavitt Law (C-MetaLL) survey: IX. Metallicity dependence of Period-Wesenheit relations based on a homogeneous spectroscopic sample

V. Ripepi, E. Trentin, G. Catanzaro +8

The C-MetaLL project has provided homogeneous spectroscopic abundances of 290 Classical Cepheids (DCEPs) for which we have the intensity-averaged magnitudes in multiple optical and…

astro-ph.SR2025

CUbesat Solar Polarimeter (CUSP) Sensitivity Estimation and Performance Optimization using Geant4

Abhay Kumar, Giovanni Lombardi, Giovanni De Cesare +45

The CUbesat Solar Polarimeter (CUSP) aims to measure the linear polarization of solar flares in the 25-100 keV X-ray band using a Compton scattering polarimeter. CUSP will allow us…

astro-ph.SR2025

Rotation of young solar-type stars as seen by Gaia and K2

Sylvain N. Breton, Elisa Distefano, Alessandro C. Lanzafame +1

Accurate surface rotation measurements are crucial to estimate stellar ages and improve our understanding of stellar rotational evolution. Comparisons of datasets obtained from dif…

astro-ph.SR2025★ 5 cited

Stellar Population Astrophysics (SPA) with the TNG: NLTE atmospheric parameters and abundances of giant stars in 33 Open Clusters

M. Dal Ponte, V. D'Orazi, A. Bragaglia +11

Open clusters serve as important tools for accurately studying the chemical evolution of the Milky Way. By combining precise chemical data from high-resolution spectra with informa…

astro-ph.SR2025★ 3 cited

Frequency separation ratios do not suppress magnetic activity effects in solar-like stars

Jérôme Bétrisey, Anne-Marie Broomhall, Sylvain N. Breton +3

Magnetic activity effects are typically neglected in asteroseismic modelling of solar-type stars, presuming that these effects can be accounted for in the parametrisation of the su…

astro-ph.SR2025

Is convective turbulence the only exciting mechanism of global p modes in the Sun?

E. Panetier, R. A. García, S. N. Breton +2

In solar-like oscillators, acoustic waves are excited by turbulent motion in the convective envelope and propagate inward, generating a variety of standing pressure modes. When com…

astro-ph.SR2025★ 3 cited

Evolutionary Map of the Universe: Detection and Analysis of the Shell Surrounding the Runaway Wolf-Rayet Star WR16

A. C. Bradley, M. D. Filipović, Z. J. Smeaton +18

We present the first radio--continuum detection of the circumstellar shell around the well-known WN8 type Wolf-Rayet star WR16 at 943.5\,MHz using the \ac{ASKAP} \ac{EMU} survey. A…

astro-ph.SR2025★ 3 cited

The stellar population in the SARAO MeerKAT Galactic Plane Survey

Okwudili D. Egbo, David A. H. Buckley, Paul J. Groot +5

We report on optically selected stellar candidates of SARAO MeerKAT 1.3 GHz radio continuum survey sources of the Galactic plane. Stellar counterparts to radio sources are selected…

astro-ph.SR2025★ 2 cited

Discovery of the binary nature of the magnetospheric B-type star Oph A

M. E. Shultz, I. Berry, D. Bohlender +11

The nearby B-type star Oph A was recently identified as a rapidly rotating magnetic B-type star with variable radio and X-ray emission consistent with a magnetospheric origin.…