Gaia EDR3 view on galactic globular clusters

E Vasiliev, H Baumgardt - Monthly Notices of the Royal …, 2021 - academic.oup.com
We use the data from Gaia Early Data Release 3 (EDR3) to study the kinematic properties of
Milky Way globular clusters. We measure the mean parallaxes and proper motions (PM) for …

Accurate distances to Galactic globular clusters through a combination of Gaia EDR3, HST, and literature data

H Baumgardt, E Vasiliev - Monthly Notices of the Royal …, 2021 - academic.oup.com
We have derived accurate distances to Galactic globular clusters by combining data from the
Gaia Early Data Release 3 (EDR3) with distances based on Hubble Space Telescope (HST) …

Calibration of the tip of the red giant branch

WL Freedman, BF Madore, T Hoyt, IS Jang… - The Astrophysical …, 2020 - iopscience.iop.org
The tip of the red giant branch (TRGB) method provides one of the most accurate and
precise means of measuring the distances to nearby galaxies. Here we present a multi …

Mean proper motions, space orbits, and velocity dispersion profiles of Galactic globular clusters derived from Gaia DR2 data

H Baumgardt, M Hilker, A Sollima… - Monthly Notices of the …, 2019 - academic.oup.com
We have derived the mean proper motions and space velocities of 154 Galactic globular
clusters and the velocity dispersion profiles of 141 globular clusters based on a combination …

The parallax of ω Centauri measured from Gaia EDR3 and a direct, geometric calibration of the tip of the red giant branch and the Hubble constant

J Soltis, S Casertano, AG Riess - The Astrophysical Journal …, 2021 - iopscience.iop.org
We use data from the ESA Gaia mission Early Data Release 3 (EDR3) to measure the
trigonometric parallax of ω Cen, the first high-precision parallax measurement for the most …

Proper motions and dynamics of the Milky Way globular cluster system from Gaia DR2

E Vasiliev - Monthly Notices of the Royal Astronomical Society, 2019 - academic.oup.com
Abstract We use Gaia Data Release 2 to determine the mean proper motions for 150 Milky
Way globular clusters (almost the entire known population), with a typical uncertainty of 0.05 …

Updated BaSTI stellar evolution models and isochrones. II. α-enhanced calculations

A Pietrinferni, S Hidalgo, S Cassisi… - The Astrophysical …, 2021 - iopscience.iop.org
This is the second paper of a series devoted to presenting an updated release of the BaSTI
(a Bag of Stellar Tracks and Isochrones) stellar model and isochrone library. Following the …

Dark matter in extreme astrophysical environments

M Baryakhtar, R Caputo, D Croon, K Perez… - arXiv preprint arXiv …, 2022 - arxiv.org
Exploring dark matter via observations of extreme astrophysical environments--defined here
as heavy compact objects such as white dwarfs, neutron stars, and black holes, as well as …

Gaia Data Release 3-The second Gaia catalogue of long-period variable candidates

T Lebzelter, N Mowlavi, I Lecoeur-Taibi… - Astronomy & …, 2023 - aanda.org
Context. The third Gaia Data Release covers 34 months of data and includes the second
Gaia catalogue of long-period variables (LPVs), with G variability amplitudes larger than 0.1 …

Stellar evolution confronts axion models

L Di Luzio, M Fedele, M Giannotti… - Journal of Cosmology …, 2022 - iopscience.iop.org
Axion production from astrophysical bodies is a topic in continuous development, because
of theoretical progress in the estimate of stellar emission rates and, especially, because of …