activity
19982026
most citedStellar Radio Astronomy. Probing Stellar Atmospheres from Protostars to Giants

341 citations · 3.7k across the 91 of their papers we have counts for

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Showing 2023Show all

10 papers · 1 filter

astro-ph.EP2023★ 64 cited

A resonant sextuplet of sub-Neptunes transiting the bright star HD 110067

R. Luque, H. P. Osborn, A. Leleu +149

Planets with radii between that of the Earth and Neptune (hereafter referred to as sub-Neptunes) are found in close-in orbits around more than half of all Sun-like stars. Yet, thei…

astro-ph.EP2023

CHEOPS observations of KELT-20 b/MASCARA-2 b: An aligned orbit and signs of variability from a reflective dayside

V. Singh, G. Scandariato, A. M. S. Smith +87

Occultations are windows of opportunity to indirectly peek into the dayside atmosphere of exoplanets. High-precision transit events provide information on the spin-orbit alignment…

astro-ph.EP2023★ 128 cited

SO2, silicate clouds, but no CH4 detected in a warm Neptune

Achrene Dyrek, Michiel Min, Leen Decin +44

WASP-107b is a warm (~740 K) transiting planet with a Neptune-like mass of ~30.5 Earth masses and Jupiter-like radius of ~0.94 Jupiter radius, whose extended atmosphere is eroding.…

astro-ph.EP2023★ 31 cited

Imaging detection of the inner dust belt and the four exoplanets in the HR8799 system with JWST's MIRI coronagraph

Boccaletti A., Mâlin M., Baudoz P. +35

The multi planet system HR8799 is the first target observed with MIRI's coronagraphs as part of the MIRI-EC Guaranteed Time Observations exoplanets programme in Nov. 2022. We obtai…

astro-ph.SR2023★ 18 cited

JOYS: Disentangling the warm and cold material in the high-mass IRAS 23385+6053 cluster

C. Gieser, H. Beuther, E. F. van Dishoeck +20

(abridged) We study and compare the warm (>100 K) and cold (<100 K) material toward the high-mass star-forming region IRAS 23385+6053 (IRAS 23385 hereafter) combining high angular…

astro-ph.EP2023★ 100 cited

Water in the terrestrial planet-forming zone of the PDS 70 disk

G. Perotti, V. Christiaens, Th. Henning +42

Terrestrial and sub-Neptune planets are expected to form in the inner (AU) regions of protoplanetary disks. Water plays a key role in their formation, although it is yet uncl…

astro-ph.SR2023★ 4 cited

The post-disk (or primordial) spin distribution of M dwarf stars

L. Gehrig, E. Gaidos, M. Güdel

We investigate the influence of an accretion disk on the angular momentum (AM) evolution of young M dwarfs, which parameters govern the AM distribution after the disk phase, and wh…

astro-ph.SR2023★ 17 cited

Complete X-ray census of Mdwarfs in the solar Neighborhood I. GJ 745 AB: Coronal-hole Stars in the 10 pc Sample

M. Caramazza, B. Stelzer, E. Magaudda +4

We have embarked in a systematic study of the X-ray emission in a volume-limited sample of M dwarf stars, in order to explore the full range of activity levels present in their cor…

astro-ph.EP2023★ 5 cited

A rich hydrocarbon chemistry and high C to O ratio in the inner disk around a very low-mass star

B. Tabone, G. Bettoni, E. F. van Dishoeck +43

Carbon is an essential element for life but how much can be delivered to young planets is still an open question. The chemical characterization of planet-forming disks is a crucial…

astro-ph.SR2023★ 10 cited

A systematic survey of millimetre-wavelength flaring variability of Young Stellar Objects in the Orion Nebula Cluster

J. Vargas-González, J. Forbrich, V. M. Rivilla +3

High-energy processes are ubiquitous even in the earliest stages of protostellar evolution. Motivated by the results of our systematic search for intense centimeter radio flares in…