Publications (54)
A tidally distorted dwarf galaxy near NGC 4449
R. M. Rich, M. L. M. Collins, C. M. Black +4
On the Reported Death of the MACHO Era
D. P. Quinn, M. I. Wilkinson, M. J. Irwin +3
The kinematic footprints of five stellar streams in Andromeda's halo
S. C. Chapman, R. Ibata, M. Irwin +12
The internal kinematics of dwarf spheroidal galaxies
M. I. Wilkinson, J. T. Kleyna, N. W. Evans +5
A constant dark matter halo surface density in galaxies
F. Donato, G. Gentile, P. Salucci +6
Complexity on Small Scales II: Metallicities and Ages in the Leo II Dwarf Spheroidal Galaxy
A. Koch, E. K. Grebel, J. T. Kleyna +5
The Anisotropic Distribution of M 31 Satellite Galaxies: A Polar Great Plane of Early-Type Companions
A. Koch, E. K. Grebel
Stellar science from a blue wavelength range - A possible design for the blue arm of 4MOST
C. J. Hansen, H. -G. Ludwig, W. Seifert +12
The kinematic identification of a thick stellar disc in M31
M. L. M. Collins, S. C. Chapman, R. A. Ibata +6
A close look at the Centaurus A group of galaxies: I. Metallicity distribution functions and population gradients in early-type dwarfs
D. CrnojeviÄ, E. K. Grebel, A. Koch
Something borrowed, something blue: The nature of blue metal-poor stars inferred from their colours and chemical abundances
C. J. Hansen, P. Jofre, A. Koch +2
Insights into the chemical composition of the metal-poor Milky Way halo globular cluster NGC 6426
M. Hanke, A. Koch, C. J. Hansen +1
Further Evidence for a Merger Origin for the Thick Disk: Galactic Stars Along Lines-of-sight to Dwarf Spheroidal Galaxies
Rosemary F. G. Wyse, Gerard Gilmore, John E. Norris +5
The Gaia-ESO Survey: Galactic evolution of sulphur and zinc
S. Duffau, E. Caffau, L. Sbordone +48
A photometric and spectroscopic study of the new dwarf spheroidal galaxy in Hercules
D. Adén, S. Feltzing, A. Koch +8
Europium abundances in F and G disk dwarfs
A. Koch, B. Edvardsson
Semiclassical theory for spatial density oscillations in fermionic systems
J. Roccia, M. Brack, A. Koch
Complexity on Small Scales: The Metallicity Distribution of the Carina Dwarf Spheroidal Galaxy
A. Koch, E. K. Grebel, R. F. G. Wyse +5
Velocity and abundance precisions for future high-resolution spectroscopic surveys: a study for 4MOST
E. Caffau, A. Koch, L. Sbordone +19
TOPoS V: Abundance ratios in a sample of very metal-poor turn-off stars
P. François, E. Caffau, P. Bonifacio +12
The Be-test in the Li-rich star \#1657 of NGC 6397: evidence for Li-flash in RGB stars?
L. Pasquini, A. Koch, R. Smiljanic +2
A spectroscopic confirmation of the Bootes II dwarf spheroidal
A. Koch, M. I. Wilkinson, J. T. Kleyna +6
4MOST Consortium Survey 9: One Thousand and One Magellanic Fields (1001MC)
M. -R. L. Cioni, J. Storm, C. P. M. Bell +14
A new algorithm for optimizing the wavelength coverage for spectroscopic studies: Spectral Wavelength Optimization Code (SWOC)
G. R. Ruchti, S. Feltzing, K. Lind +7
Chemical Evolution in the Carina Dwarf Spheroidal
A. Koch, E. K. Grebel, D. Harbeck +5
Abundance analysis of a CEMP-no star in the Carina dwarf spheroidal galaxy
A. Susmitha, A. Koch, T. Sivarani
The luminosity function of Palomar 5 and its tidal tails
A. Koch, M. Odenkirchen, E. K. Grebel +2
TOPoS: II. On the bimodality of carbon abundance in CEMP stars. Implications on the early chemical evolution of galaxies
P. Bonifacio, E. Caffau, M. Spite +18
Complexity on Small Scales III: Iron and alpha Element Abundances in the Carina Dwarf Spheroidal Galaxy
A. Koch, E. K. Grebel, G. F. Gilmore +5
The Age-Metallicity Relation of the SMC
A. Kayser, E. K. Grebel, D. R. Harbeck +4
TOPoS: I. Survey design and analysis of the first sample
E. Caffau, P. Bonifacio, L. Sbordone +14
Exact and asymptotic local virial theorems for finite fermionic systems
M. Brack, A. Koch, M. V. N. Murthy +1
Stellar kinematics and metallicities in the Leo I dwarf spheroidal galaxy -- wide field implications for galactic evolution
A. Koch, M. I. Wilkinson, J. T. Kleyna +5
Unusual neutron-capture nucleosynthesis in a carbon-rich Galactic bulge star
A. Koch, M. Reichert, C. J. Hansen +4
The Highly Unusual Chemical Composition of the Hercules Dwarf Spheroidal Galaxy
A. Koch, A. McWilliam, E. K. Grebel +2
TOPoS: III. An ultra iron-poor multiple CEMP system
E. Caffau, P. Bonifacio, M. Spite +15
Selecting Sagittarius: Identification and Chemical Characterization of the Sagittarius Stream
E. A. Hyde, S. Keller, D. B. Zucker +11
TOPoS: IV. Chemical abundances from high-resolution observations of seven EMP stars
P. Bonifacio, E. Caffau, M. Spite +15
A calibration map for Wide Field Imager photometry
A. Koch, M. Odenkirchen, E. K. Grebel +1
Stellar kinematics in the remote Leo II dwarf spheroidal galaxy -- Another brick in the wall
A. Koch, J. T. Kleyna, M. I. Wilkinson +5
An abundance study of red-giant-branch stars in the Hercules dwarf spheroidal galaxy
D. Adén, K. Eriksson, S. Feltzing +3
Kron 3: a fourth intermediate age cluster in the SMC with evidence of multiple populations
K. Hollyhead, C. Lardo, N. Kacharov +6
Dwarf galaxies beyond our doorstep: the Centaurus A group
D. CrnojeviÄ, E. K. Grebel, A. A. Cole +4
Andromeda IX: Properties of the Smallest M 31 Dwarf Satellite Galaxy
D. Harbeck, J. Gallagher, E. K. Grebel +2
A study of rotating globular clusters - the case of the old, metal-poor globular cluster NGC 4372
N. Kacharov, P. Bianchini, A. Koch +7
Mass Segregation in the Globular Cluster Palomar 5 and its Tidal Tails
A. Koch, E. K. Grebel, M. Odenkirchen +2
An Accurate Age Determination for the SMC Star Cluster NGC121 with HST/ACS
K. Glatt, J. S. Gallagher, E. K. Grebel +8
Evidence of sub-surface energy storage in comet 67P from the outburst of 2016 July 3
J. Agarwal, V. Della Corte, P. D. Feldman +67
The Gaia-ESO Survey: Detailed Abundances in the Metal-poor Globular Cluster NGC 4372
I. San Roman, C. Muñoz, D. Geisler +28
A new low mass for the Hercules dSph: the end of a common mass scale for the dwarfs?
D. Adén, M. I. Wilkinson, J. I. Read +5
4MOST: Project overview and information for the First Call for Proposals
R. S. de Jong, O. Agertz, A. Agudo Berbel +335
Kinematic and Chemical constraints on the formation of M31's inner and outer halo
A. Koch, R. M. Rich, D. B. Reitzel +8
Cold, old and metal-poor: New stellar substructures in the Milky Way's dwarf spheroidals
V. Lora, E. K. Grebel, S. Schmeja +1
Population gradients and photometric metallicities in early- and transition-type dwarf galaxies: Clues from the Sculptor group
S. Lianou, E. Grebel, G. S. Da Costa +3