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Authors whose works are in public domain in at least one jurisdiction

List of works by Andreas Koch

1-50 of 71 results

Ages and luminosities of young SMC/LMC star clusters and the recent star formation history of the Clouds

scientific article published in Astronomy and Astrophysics

Insights from the outskirts: Chemical and dynamical properties in the outer parts of the Fornax dwarf spheroidal galaxy

scientific article published in Astronomy and Astrophysics

A kinematic study of the Andromeda dwarf spheroidal system

scientific article published in the Astrophysical Journal

A study of rotating globular clusters

scientific article published in Astronomy and Astrophysics

The Binary Fraction of Stars in Dwarf Galaxies: The Case of Leo II

scientific article published in Astronomical Journal

Stellar Kinematics and Metallicities in the Leo I Dwarf Spheroidal Galaxy—Wide‐Field Implications for Galactic Evolution

scientific article published in the Astrophysical Journal

Complexity on Small Scales. II. Metallicities and Ages in the Leo II Dwarf Spheroidal Galaxy

scientific article published in Astronomical Journal

A photometric and spectroscopic study of the new dwarf spheroidal galaxy in Hercules . Metallicity, velocities, and a clean list of RGB members

scientific article published in Astronomy and Astrophysics

Kinematics of outer halo globular clusters: M 75 and NGC 6426

scientific article published in January 2018

The Observed Properties of Dark Matter on Small Spatial Scales

scientific article published in the Astrophysical Journal

Evidence for multiple populations in the intermediate-age cluster Lindsay 1 in the SMC

Age determination of six intermediate-age Small Magellanic Cloud star clusters with HST/ACS

scientific article published in Astronomical Journal

Complexity on Small Scales: The Metallicity Distribution of the Carina Dwarf Spheroidal Galaxy

scientific article published in Astronomical Journal

A spectroscopic confirmation of the Bootes II dwarf spheroidal

A constant dark matter halo surface density in galaxies

scientific article

Chemical abundances of metal-poor RR Lyrae stars in the Magellanic Clouds

scientific article published in Astronomical Journal

The bulge radial velocity assay (BRAVA). II. Complete sample and data release

scientific article published in Astronomical Journal

Complexity on small scales. III. Iron and {alpha} element abundances in the Carina dwarf spheroidal galaxy

scientific article published in Astronomical Journal

An accurate age determination for the Small Magellanic Cloud star cluster NGC 121 with the Hubble Space Telescope/Advanced Camera for Surveys

scientific article published in Astronomical Journal

Kinematic subpopulations in dwarf spheroidal galaxies

scientific article

The Highly Unusual Chemical Composition of the Hercules Dwarf Spheroidal Galaxy

scientific article published in the Astrophysical Journal

Kinematics at the edge of the Galactic Bulge: evidence for cylindrical rotation

scientific article published in the Astrophysical Journal

Further Evidence of a Merger Origin for the Thick Disk: Galactic Stars along Lines of Sight to Dwarf Spheroidal Galaxies

scientific article published in the Astrophysical Journal

A new low mass for the Hercules dSph: the end of a common mass scale for the dwarfs?

scientific article published in the Astrophysical Journal

The Anisotropic Distribution of M31 Satellite Galaxies: A Polar Great Plane of Early-type Companions

scientific article published in Astronomical Journal

Dwarf spheroidal galaxy kinematics and spiral galaxy scaling laws

article

4MOST: 4-metre multi-object spectroscopic telescope

The Extended Star Formation History of the Andromeda Spheroid at 35 kpc on the Minor Axis

scientific article published in the Astrophysical Journal

Dwarf spheroidals in the M 81 group – Metallicity distribution functions and population gradients

scientific article published in Astronomy and Astrophysics

Mass Segregation in the Globular Cluster Palomar 5 and its Tidal Tails

scientific article published in Astronomical Journal

A tidally distorted dwarf galaxy near NGC 4449.

scientific article

An abundance study of red-giant-branch stars in the Hercules dwarf spheroidal galaxy

scientific article published in Astronomy and Astrophysics

Structural parameters of seven Small Magellanic Cloud intermediate-age and old star clusters

scientific article published in Astronomical Journal

4MOST: 4-metre Multi-Object Spectroscopic Telescope

Andromeda IX: Properties of the Faintest M31 Dwarf Satellite Galaxy

scientific article published in the Astrophysical Journal

Separating the conjoined red clump in the galactic bulge: kinematics and abundances

scientific article

The masses of local group dwarf spheroidal galaxies: the death of the universal mass profile

scientific article published in the Astrophysical Journal

A calibration map for Wide Field Imager photometry

article by Andreas Koch et al published May 2004 in Astronomische Nachrichten

Observed Properties of Dark Matter: dynamical studies of dSph galaxies

Threshing in action: the tidal disruption of a dwarf galaxy by the Hydra I cluster

Dwarf spheroidal galaxies in the M81 group of galaxies

Spectroscopic versus photometric metallicities: Milky Way dwarf spheroidal companions as a test case

scientific article published in Astronomy and Astrophysics

Evolution of dwarf galaxies in the Centaurus A group

The internal kinematics of dwarf spheroidal galaxies

Velocity and abundance precisions for future high-resolution spectroscopic surveys: A study for 4MOST

scholarly article

An optimized tiling pattern for multiobject spectroscopic surveys: application to the 4MOST survey

scientific article

Blanco DECam Bulge Survey (BDBS)

scientific article

Young Star Clusters in the SMC

Cold, Old, and Metal-poor: New Stellar Substructures in the Milky Way’s Dwarf Spheroidals

scholarly article

The Bulge Radial Velocity Assay for RR Lyrae Stars (BRAVA-RR) DR2: A Bimodal Bulge?