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The wide-field, multiplexed, spectroscopic facility WEAVE: Survey design, overview, and simulated implementation
Shoko Jin, Scott C. Trager, Gavin B. Dalton +212
WEAVE, the new wide-field, massively multiplexed spectroscopic survey facility for the William Herschel Telescope, will see first light in late 2022. WEAVE comprises a new 2-degree…
The distribution of globular clusters in kinematic spaces does not trace the accretion history of the host galaxy
Giulia Pagnini, Paola Di Matteo, Sergey Khoperskov +4
Reconstructing how all the stellar components of the Galaxy formed and assembled over time, by studying the properties of the stars which make it, is the aim of Galactic archeology…
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…
The stellar halo in Local Group Hestia simulations II. The accreted component
Sergey Khoperskov, Ivan Minchev, Noam Libeskind +12
In the Milky Way, recent progress in the exploration of its assembly history is driven by the tremendous amount of high-quality data delivered by Gaia, which has revealed a number…
The stellar halo in Local Group Hestia simulations I. The in-situ component and the effect of mergers
Sergey Khoperskov, Ivan Minchev, Noam Libeskind +12
Theory suggests that mergers play an important role in shaping galactic discs and stellar haloes, which was observationally confirmed in the MW thanks to Gaia data. In this work, a…