Streams, substructures, and the early history of the Milky Way

A Helmi - Annual Review of Astronomy and Astrophysics, 2020 - annualreviews.org
The advent of the second data release of the Gaia mission, in combination with data from
large spectroscopic surveys, is revolutionizing our understanding of the Galaxy. Thanks to …

Angular momentum transport in stellar interiors

C Aerts, S Mathis, TM Rogers - Annual Review of Astronomy …, 2019 - annualreviews.org
Stars lose a significant amount of angular momentum between birth and death, implying that
efficient processes transporting it from the core to the surface are active. Space …

Gaia early data release 3-the astrometric solution

L Lindegren, SA Klioner, J Hernández… - Astronomy & …, 2021 - aanda.org
Context. Gaia Early Data Release 3 (Gaia EDR3) contains results for 1.812 billion sources in
the magnitude range G= 3–21 based on observations collected by the European Space …

Gaia Early Data Release 3-Parallax bias versus magnitude, colour, and position

L Lindegren, U Bastian, M Biermann… - Astronomy & …, 2021 - aanda.org
Context. Gaia Early Data Release 3 (Gaia EDR3) gives trigonometric parallaxes for nearly
1.5 billion sources. Inspection of the EDR3 data for sources identified as quasars reveals …

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-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 …

[HTML][HTML] Gaia data release 2-the astrometric solution

L Lindegren, J Hernández, A Bombrun… - Astronomy & …, 2018 - aanda.org
Context. Gaia Data Release 2 (Gaia DR2) contains results for 1693 million sources in the
magnitude range 3 to 21 based on observations collected by the European Space Agency …

The merger that led to the formation of the Milky Way's inner stellar halo and thick disk

A Helmi, C Babusiaux, HH Koppelman, D Massari… - Nature, 2018 - nature.com
The assembly of our Galaxy can be reconstructed using the motions and chemistry of
individual stars1, 2. Chemo-dynamical studies of the stellar halo near the Sun have …

Evidence for two early accretion events that built the Milky Way stellar halo

GC Myeong, E Vasiliev, G Iorio… - Monthly Notices of …, 2019 - academic.oup.com
Abstract The Gaia Sausage is the major accretion event that built the stellar halo of the Milky
Way galaxy. Here, we provide dynamical and chemical evidence for a second substantial …