[HTML][HTML] Gaia Data Release 3-Chemical cartography of the Milky Way

A Recio-Blanco, G Kordopatis, P de Laverny… - Astronomy & …, 2023 - aanda.org
Context. The motion of stars has been used to reveal details of the complex history of the
Milky Way, in constant interaction with its environment. Nevertheless, to reconstruct the …

The GALAH survey: Tracing the Galactic disc with open clusters

L Spina, YS Ting, GM De Silva, N Frankel… - Monthly Notices of …, 2021 - academic.oup.com
Open clusters are unique tracers of the history of our own Galaxy's disc. According to our
membership analysis based on Gaia astrometry, out of the 226 potential clusters falling in …

The Gaia-ESO survey: Mapping the shape and evolution of the radial abundance gradients with open clusters

L Magrini, CV Vázquez, L Spina, S Randich… - Astronomy & …, 2023 - aanda.org
Context. The spatial distribution of elemental abundances and their time evolution are
among the major constraints to disentangling the scenarios of formation and evolution of the …

Near-IR and optical radial velocities of the active M dwarf star Gl 388 (AD Leo) with SPIRou at CFHT and SOPHIE at OHP-A 2.23 day rotation period and no evidence …

A Carmona, X Delfosse, S Bellotti… - Astronomy & …, 2023 - aanda.org
Context. The search for extrasolar planets around the nearest M dwarfs is a crucial step
toward identifying the nearest Earth-like planets. One of the main challenges in this search is …

Mapping the Galactic metallicity gradient with open clusters: the state-of-the-art and future challenges

L Spina, L Magrini, K Cunha - Universe, 2022 - mdpi.com
In this paper, we make use of data collected for open cluster members by high-resolution
spectroscopic surveys and programmes (ie, APOGEE, Gaia-ESO, GALAH, OCCASO, and …

Detection of Na, K, and Hα absorption in the atmosphere of WASP-52b using ESPRESSO

G Chen, N Casasayas-Barris, E Pallé, F Yan… - Astronomy & …, 2020 - aanda.org
WASP-52b is a low-density hot Jupiter orbiting a moderately active K2V star. Previous low-
resolution studies have revealed a cloudy atmosphere and found atomic Na above the cloud …

The Gaia-ESO Survey: a new approach to chemically characterising young open clusters-I. Stellar parameters, and iron-peak, α-, and proton-capture elements

M Baratella, V D'Orazi, G Carraro, S Desidera… - Astronomy & …, 2020 - aanda.org
Context. Open clusters are recognised as excellent tracers of Galactic thin-disc properties. At
variance with intermediate-age and old open clusters, for which a significant number of …

The Gaia-ESO Survey: a new approach to chemically characterising young open clusters-II. Abundances of the neutron-capture elements Cu, Sr, Y, Zr, Ba, La, and Ce

M Baratella, V D'Orazi, V Sheminova, L Spina… - Astronomy & …, 2021 - aanda.org
Context. Young open clusters (ages of less than 200 Myr) have been observed to exhibit
several peculiarities in their chemical compositions. These anomalies include a slightly sub …

Evidence that the Hot Jupiter WASP-77 A b Formed Beyond Its Parent Protoplanetary Disk's H2O Ice Line

H Reggiani, KC Schlaufman, BF Healy… - The Astronomical …, 2022 - iopscience.iop.org
Idealized protoplanetary disk and giant planet formation models have been interpreted to
suggest that a giant planet's atmospheric abundances can be used to infer its formation …

Hidden magnetic fields of young suns

O Kochukhov, T Hackman, JJ Lehtinen… - Astronomy & …, 2020 - aanda.org
Global magnetic fields of active solar-like stars are, nowadays, routinely detected with
spectropolarimetric measurements and are mapped with Zeeman Doppler imaging (ZDI) …