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 …

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-Properties and validation of the radial velocities

D Katz, P Sartoretti, A Guerrier, P Panuzzo… - Astronomy & …, 2023 - aanda.org
Context. Gaia Data Release 3 (Gaia DR3) contains the second release of the combined
radial velocities. It is based on the spectra collected during the first 34 months of the nominal …

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 …

[HTML][HTML] Gaia Data Release 3-Processing and validation of BP/RP low-resolution spectral data

F De Angeli, M Weiler, P Montegriffo, DW Evans… - Astronomy & …, 2023 - aanda.org
Context. Blue (BP) and Red (RP) Photometer low-resolution spectral data are one of the
exciting new products in Gaia Data Release 3 (Gaia DR3). These data have also been used …

Gaia Data Release 3-Apsis. II. Stellar parameters

M Fouesneau, Y Frémat, R Andrae, AJ Korn… - Astronomy & …, 2023 - aanda.org
Context. The third Gaia data release (Gaia DR3) contains, beyond the astrometry and
photometry, dispersed light for hundreds of millions of sources from the Gaia prism spectra …

Gaia Data Release 3-Mapping the asymmetric disc of the Milky Way

R Drimmel, M Romero-Gómez, L Chemin… - Astronomy & …, 2023 - aanda.org
Context. With the most recent Gaia data release, the number of sources with complete 6D
phase space information (position and velocity) has increased to well over 33 million stars …

[HTML][HTML] Gaia Data Release 3-All-sky classification of 12.4 million variable sources into 25 classes

L Rimoldini, B Holl, P Gavras, M Audard… - Astronomy & …, 2023 - aanda.org
Context. Gaia DR3 contains 1.8 billion sources with G-band photometry, 1.5 billion of which
with G BP and G RP photometry, complemented by positions on the sky, parallax, and …

Gaia Data Release 3-Astrometric orbit determination with Markov chain Monte Carlo and genetic algorithms: Systems with stellar, sub-stellar, and planetary mass …

B Holl, A Sozzetti, J Sahlmann, P Giacobbe… - Astronomy & …, 2023 - aanda.org
Context. The astrometric discovery of sub-stellar mass companions orbiting stars is
exceedingly hard due to the required sub-milliarcsecond precision, limiting the application of …