Gaia data release 3-summary of the content and survey properties

A Vallenari, AGA Brown, T Prusti… - Astronomy & …, 2023 - aanda.org
Context. We present the third data release of the European Space Agency's Gaia mission,
Gaia DR3. This release includes a large variety of new data products, notably a much …

Discovery of a dormant 33 solar-mass black hole in pre-release Gaia astrometry

P Panuzzo, T Mazeh, F Arenou, B Holl, E Caffau… - Astronomy & …, 2024 - aanda.org
Context. Gravitational waves from black-hole (BH) merging events have revealed a
population of extra-galactic BHs residing in short-period binaries with masses that are …

Gaia Data Release 3-Stellar multiplicity, a teaser for the hidden treasure

F Arenou, C Babusiaux, MA Barstow, S Faigler… - Astronomy & …, 2023 - aanda.org
Context. The Gaia DR3 catalogue contains, for the first time, about 800 000 solutions with
either orbital elements or trend parameters for astrometric, spectroscopic, and eclipsing …

Gaia Data Release 3-Astrophysical parameters inference system (Apsis). I. Methods and content overview

OL Creevey, R Sordo, F Pailler, Y Frémat… - Astronomy & …, 2023 - aanda.org
Gaia Data Release 3 contains a wealth of new data products for the community.
Astrophysical parameters are a major component of this release, and were produced by the …

Gaia Data Release 3-Analysis of the Gaia BP/RP spectra using the General Stellar Parameterizer from Photometry

R Andrae, M Fouesneau, R Sordo… - Astronomy & …, 2023 - aanda.org
Context. The astrophysical characterisation of sources is among the major new data
products in the third Gaia Data Release (DR3). In particular, there are stellar parameters for …

Gaia data release 3-catalogue validation

C Babusiaux, C Fabricius, S Khanna… - Astronomy & …, 2023 - aanda.org
Context. The third Gaia data release (DR3) provides a wealth of new data products. The
early part of the release, Gaia EDR3, already provided the astrometric and photometric data …

The wide-field, multiplexed, spectroscopic facility WEAVE: Survey design, overview, and simulated implementation

S **, SC Trager, GB Dalton, JAL Aguerri… - Monthly Notices of …, 2024 - academic.oup.com
ABSTRACT WEAVE, the new wide-field, massively multiplexed spectroscopic survey facility
for the William Herschel Telescope, saw first light in late 2022. WEAVE comprises a new 2 …

Parameters of 220 million stars from Gaia BP/RP spectra

X Zhang, GM Green, HW Rix - Monthly Notices of the Royal …, 2023 - academic.oup.com
We develop, validate and apply a forward model to estimate stellar atmospheric parameters
(T eff, log g, and [Fe/H]), revised distances and extinctions for 220 million stars with XP …

A parsec-scale Galactic 3D dust map out to 1.25 kpc from the Sun

G Edenhofer, C Zucker, P Frank, AK Saydjari… - Astronomy & …, 2024 - aanda.org
Context. High-resolution 3D maps of interstellar dust are critical for probing the underlying
physics sha** the structure of the interstellar medium, and for foreground correction of …

Gaia Data Release 3-The Galaxy in your preferred colours: Synthetic photometry from Gaia low-resolution spectra

P Montegriffo, M Bellazzini, F De Angeli… - Astronomy & …, 2023 - aanda.org
Gaia Data Release 3 provides novel flux-calibrated low-resolution spectrophotometry for≃
220 million sources in the wavelength range 330 nm≤ λ≤ 1050 nm (XP spectra). Synthetic …