activity
20122026
most citedGaia Data Release 2. Summary of the contents and survey properties

8.6k citations · 12.8k across the 31 of their papers we have counts for

collaborators

31 papers

astro-ph.SR2026★ 1 cited

Gaia DR3 high radial velocity stars: Genuine fast-moving objects or outliers?

D. Katz, A. Gómez, E. Caffau +39

The third Gaia data release includes 33.8 million radial velocity measurements, extending to a magnitude of G_RVS = 14. To reach this magnitude limit, spectra were processed down t…

astro-ph.GA2025

The Gaia RVS Benchmark Stars. III . Confirmed and New High Radial Velocity Stars From Gaia DR3

Elisabetta Caffau, David Katz, Piercarlo Bonifacio +12

High-velocity stars are interesting targets to unveil the formation of the Milky Way. In fact they can be recently accreted from an infalling dwarf galaxies or they can be the resu…

astro-ph.GA2025★ 6 cited

Gaps in stellar streams as a result of globular cluster fly-bys

Salvatore Ferrone, Marco Montuori, Paola Di Matteo +10

Thin stellar streams, such as those resulting from the tidal disruption of globular clusters, have long been known and used as probes of the gravitational potential of our Galaxy,…

astro-ph.GA2024★ 27 cited

The 33 M black hole Gaia BH3 is part of the disrupted ED-2 star cluster

E. Balbinot, E. Dodd, T. Matsuno +19

The Gaia Collaboration has recently reported the detection of a 33 M black hole in a wide binary system located in the Solar neighbourhood. Here we explore the relationship…

astro-ph.GA2024★ 129 cited

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

Gaia Collaboration, P. Panuzzo, T. Mazeh +412

Gravitational waves from black-hole merging events have revealed a population of extra-galactic BHs residing in short-period binaries with masses that are higher than expected base…

astro-ph.GA2024★ 4 cited

The Gaia RVS benchmark stars II. A sample of stars selected for their Gaia high radial velocity

E. Caffau, D. Katz, A. Gómez +16

The Gaia satellite has already provided the astronomical community with three data releases, and the Radial Velocity Spectrometer (RVS) on board Gaia has provided the radial veloci…

astro-ph.SR2023★ 16 cited

Gaia Focused Product Release: Sources from Service Interface Function image analysis -- Half a million new sources in omega Centauri

Gaia Collaboration, K. Weingrill, A. Mints +400

Gaia's readout window strategy is challenged by very dense fields in the sky. Therefore, in addition to standard Gaia observations, full Sky Mapper (SM) images were recorded for ni…

astro-ph.EP2023★ 23 cited

Gaia Focused Product Release: Asteroid orbital solution. Properties and assessment

Gaia Collaboration, P. David, F. Mignard +2

Context. We report the exploitation of a sample of epoch astrometry for 157 000 asteroids, the same object in the Gaia Data Release 3, extended over the time coverage planned for t…

astro-ph.GA2023★ 7 cited

Gaia Focused Product Release: A catalogue of sources around quasars to search for strongly lensed quasars

Gaia Collaboration, A. Krone-Martins, C. Ducourant +398

Context. Strongly lensed quasars are fundamental sources for cosmology. The Gaia space mission covers the entire sky with the unprecedented resolution of " in the optical, ma…

astro-ph.SR2023

Gaia Focused Product Release: Radial velocity time series of long-period variables

Gaia Collaboration, M. Trabucchi, N. Mowlavi +403

The third Gaia Data Release (DR3) provided photometric time series of more than 2 million long-period variable (LPV) candidates. Anticipating the publication of full radial-velocit…

astro-ph.SR2022★ 47 cited

Gaia Data Release 3: Properties of the line broadening parameter derived with the Radial Velocity Spectrometer (RVS)

Y. Frémat, F. Royer, O. Marchal +38

The third release of the Gaia catalogue contains the radial velocities for 33,812,183 stars having effective temperatures ranging from 3100 K to 14,500 K. The measurements are base…

astro-ph.SR2022★ 172 cited

Gaia Data Release 3: Catalogue Validation

C. Babusiaux, C. Fabricius, S. Khanna +40

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 for nearly…

astro-ph.GA2022★ 358 cited

Gaia Data Release 3 Properties and validation of the radial velocities

D. Katz, P. Sartoretti, A. Guerrier +47

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 mission…

astro-ph.GA2022★ 34 cited

Gaia Data Release 3: G_RVS photometry from the RVS spectra

P. Sartoretti, O. Marchal, C. Babusiaux +38

Gaia Data Release 3 (DR3) contains the first release of magnitudes estimated from the integration of Radial Velocity Spectrometer (RVS) spectra for a sample of about 32.2 million s…

astro-ph.SR2022★ 39 cited

Gaia Data Release 3: Hot-star radial velocities

R. Blomme, Y. Fremat, P. Sartoretti +38

The second Gaia data release, DR2, contained radial velocities of stars with effective temperatures up to Teff = 6900 K. The third data release, Gaia DR3, extends this up to Teff =…

astro-ph.GA2021★ 48 cited

Gaia Early Data Release 3: Updated radial velocities from Gaia DR2

G. Seabroke, C. Fabricius, D. Teyssier +40

Gaia's Early Third Data Release (EDR3) does not contain new radial velocities because these will be published in Gaia's full third data release (DR3), expected in the first half of…

astro-ph.GA2021★ 13 cited

Gaia Early Data Release 3: Structure and properties of the Magellanic Clouds

Gaia Collaboration, X. Luri, L. Chemin +417

We compare the Gaia DR2 and Gaia EDR3 performances in the study of the Magellanic Clouds and show the clear improvements in precision and accuracy in the new release. We also show…

astro-ph.GA2021★ 99 cited

Gaia Early Data Release 3: The Galactic anticentre

Gaia Collaboration, T. Antoja, P. McMillan +417

We aim to demonstrate the scientific potential of the Gaia Early Data Release 3 (EDR3) for the study of the Milky Way structure and evolution. We used astrometric positions, proper…

astro-ph.GA2020★ 419 cited

Gaia Early Data Release 3 -- Catalogue validation

C. Fabricius, X. Luri, F. Arenou +33

The third Gaia data release is published in two stages. The early part, Gaia EDR3, gives very precise astrometric and photometric properties for nearly two billion sources together…

astro-ph.SR2020★ 340 cited

Gaia Early Data Release 3: The Gaia Catalogue of Nearby Stars

Gaia Collaboration, R. L. Smart, L. M. Sarro +420

We produce a clean and well-characterised catalogue of objects within 100\,pc of the Sun from the \G\ Early Data Release 3. We characterise the catalogue through comparisons to the…

astro-ph.GA2020★ 112 cited

Gaia Early Data Release 3: Acceleration of the solar system from Gaia astrometry

Gaia Collaboration, S. A. Klioner, F. Mignard +414

Context. Gaia Early Data Release 3 (Gaia EDR3) provides accurate astrometry for about 1.6 million compact (QSO-like) extragalactic sources, 1.2 million of which have the best-quali…

astro-ph.GA2018★ 8.6k cited

Gaia Data Release 2. Summary of the contents and survey properties

Gaia Collaboration, A. G. A. Brown, A. Vallenari +4

We present the second Gaia data release, Gaia DR2, consisting of astrometry, photometry, radial velocities, and information on astrophysical parameters and variability, for sources…

astro-ph.IM2018★ 20 cited

Gaia Data Release 2. Short-timescale variability processing and analysis

M. Roelens, L. Eyer, N. Mowlavi +13

The Gaia DR2 sample of short-timescale variable candidates results from the investigation of the first 22 months of Gaia photometry for a subsample of sources at the Gaia faint end…

astro-ph.SR2018

Gaia confirms that SDSS J102915+172927 is a dwarf star

P. Bonifacio, E. Caffau, M. Spite +10

The Gaia Data Release 2 provides a parallax of 0.734+/-0.073 mas for SDSS J102915+172927, currently the most metal-poor known object. This parallax implies that it is dwarf star, r…