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List of works by Andreas Koch

4MOST: 4-metre Multi-Object Spectroscopic Telescope

4MOST: 4-metre multi-object spectroscopic telescope

A Wide-Field View of Leo II: A Structural Analysis Using the Sloan Digital Sky Survey

scientific article (publication date: October 2007)

A calibration map for Wide Field Imager photometry

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

A constant dark matter halo surface density in galaxies

scientific article

A kinematic study of the Andromeda dwarf spheroidal system ⬇️

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

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

A spectroscopic confirmation of the Bootes II dwarf spheroidal ⬇️

A spectroscopy-based Age-Metallicity Relation of the SMC

A study of rotating globular clusters ⬇️

scientific article published in Astronomy and Astrophysics

A tidally distorted dwarf galaxy near NGC 4449.

scientific article

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

scientific article published in Astronomical Journal

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

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

scientific article published in Astronomy and Astrophysics

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

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

scientific article

Andromeda IX: Properties of the Faintest M31 Dwarf Satellite Galaxy ⬇️

scientific article published in the Astrophysical Journal

Blanco DECam Bulge Survey (BDBS)

scientific article

Chemical Evolution in the Carina Dwarf 1Spheroidal

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

scientific article published in Astronomical Journal

Chemodynamics of metal-poor wide binaries in the Galactic halo: Association with the Sequoia event

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

scholarly article

Complexity in small-scale dwarf spheroidal galaxies

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

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

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

scientific article published in Astronomical Journal

Dwarf Galaxies Beyond Our Doorstep: the Centaurus Group

Dwarf spheroidal galaxies in the M81 group of galaxies

Dwarf spheroidal galaxy kinematics and spiral galaxy scaling laws

article

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

scientific article published in Astronomy and Astrophysics

Early-type dwarf galaxies in the M81 group

Erratum: "The Anisotropic Distribution of M31 Satellite Galaxies: A Polar Great Plane of Early-Type Companions" ([URL ADDRESS="/cgi-bin/resolve?2006AJ....131.1405K" STATUS="OKAY"]AJ, 131, 1405 [2006][/URL])

scientific article published in Astronomical Journal

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

Evolution of dwarf galaxies in the Centaurus A group

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

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

Kinematic subpopulations in dwarf spheroidal galaxies

scientific article

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

scientific article published in the Astrophysical Journal

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

scientific article published in January 2018

M 81 Group dSphs: Metallicity Distribution Functions and Gradients

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

scientific article published in Astronomical Journal

Observed Properties of Dark Matter: dynamical studies of dSph galaxies

Population gradients and photometric metallicities in early- and transition-type dwarf galaxies: Clues from the Sculptor group

scientific article published in Astronomy and Astrophysics

Probabilistic fibre-to-target assignment algorithm for multi-object spectroscopic surveys

scientific article

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

scientific article

Spectroscopic Observations of Obscured Populations in the Inner Galaxy: 2MASS-GC02, Terzan 4, and the 200 km s<sup>−1</sup> stellar peak*

scientific article published in 2021

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

scientific article published in Astronomy and Astrophysics

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

scientific article published in the Astrophysical Journal

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

scientific article published in Astronomical Journal

Substructure in dwarf spheroidals – a star cluster connection?

scholarly article

The Age-Metallicity Relation of the SMC

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

scientific article published in Astronomical Journal

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

scientific article published in Astronomical Journal

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

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

scientific article published in the Astrophysical Journal

The Gaia-ESO Survey: Galactic evolution of sulphur and zinc

scientific article published in Astronomy and Astrophysics

The Galactic bulge exploration. II. Line-of-sight velocity templates for single-mode RR Lyrae stars

scientific article published in May 2024

The Highly Unusual Chemical Composition of the Hercules Dwarf Spheroidal Galaxy ⬇️

scientific article published in the Astrophysical Journal

The Observed Properties of Dark Matter on Small Spatial Scales ⬇️

scientific article published in the Astrophysical Journal

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

scientific article published in Astronomical Journal

The chemical evolution of subpopulations in the Carina dwarf spheroidal

The haloes and environments of nearby galaxies (HERON) – I. Imaging, sample characteristics, and envelope diameters

scientific article

The haloes and environments of nearby galaxies (HERON) – II. The outer structure of edge-on galaxies

scientific article

The internal kinematics of dwarf spheroidal galaxies

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

scientific article published in the Astrophysical Journal

The metal-poor knee in the Fornax dwarf spheroidal galaxy ⬇️

scientific article published in the Astrophysical Journal

TheGaia-ESO Survey: Calibration strategy ⬇️

scientific article published in Astronomy and Astrophysics

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

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

scholarly article

Young Star Clusters in the SMC

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