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 …

Multiple populations in globular clusters: Lessons learned from the Milky Way globular clusters

RG Gratton, E Carretta, A Bragaglia - The Astronomy and Astrophysics …, 2012 - Springer
Recent progress in studies of globular clusters has shown that they are not simple stellar
populations, but rather are made up of multiple generations. Evidence stems both from …

Sdss-iii: Massive spectroscopic surveys of the distant universe, the milky way, and extra-solar planetary systems

DJ Eisenstein, DH Weinberg, E Agol… - The Astronomical …, 2011 - iopscience.iop.org
Building on the legacy of the Sloan Digital Sky Survey (SDSS-I and II), SDSS-III is a program
of four spectroscopic surveys on three scientific themes: dark energy and cosmological …

The biggest splash

V Belokurov, JL Sanders, A Fattahi… - Monthly Notices of …, 2020 - academic.oup.com
Using a large sample of bright nearby stars with accurate Gaia Data Release 2 astrometry
and auxiliary spectroscopy we map out the properties of the principle Galactic components …

Tracing galaxy formation with stellar halos. I. Methods

JS Bullock, KV Johnston - The Astrophysical Journal, 2005 - iopscience.iop.org
If the favored hierarchical cosmological model is correct, then the Milky Way system should
have accreted~ 100-200 luminous satellite galaxies in the past~ 12 Gyr. We model this …

Reionization and the abundance of galactic satellites

JS Bullock, AV Kravtsov… - The Astrophysical …, 2000 - iopscience.iop.org
One of the main challenges facing standard hierarchical structure formation models is that
the predicted abundance of Galactic subhalos with circular velocities vc∼ 10–30 km s-1 is …

LAMOST Experiment for Galactic Understanding and Exploration (LEGUE)—The survey's science plan

LC Deng, HJ Newberg, C Liu, JL Carlin… - … in Astronomy and …, 2012 - iopscience.iop.org
We describe the current plans for a spectroscopic survey of millions of stars in the Milky Way
galaxy using the Guo Shou **g Telescope (GSJT, formerly called the Large sky Area Multi …

Kinematics of metal-poor stars in the galaxy. III. Formation of the stellar halo and thick disk as revealed from a large sample of nonkinematically selected stars

M Chiba, TC Beers - The Astronomical Journal, 2000 - iopscience.iop.org
We present a detailed analysis of the space motions of 1203 solar-neighborhood stars with
metal abundances [Fe/H]≤-0.6, on the basis of a catalog, of metal-poor stars selected …

Debris streams in the solar neighbourhood as relicts from the formation of the Milky Way

A Helmi, SDM White, PT De Zeeuw, HS Zhao - Nature, 1999 - nature.com
It is now generally believed that galaxies were built up through gravitational amplification of
primordial fluctuations and the subsequent merging of smaller precursor structures. The …

Galactic stellar haloes in the CDM model

AP Cooper, S Cole, CS Frenk… - Monthly Notices of …, 2010 - academic.oup.com
We present six simulations of galactic stellar haloes formed by the tidal disruption of
accreted dwarf galaxies in a fully cosmological setting. Our model is based on the Aquarius …