The chemical composition of a regular halo globular cluster: NGC 5897

Koch, A. & McWilliam, A., 05/2014, In: Astronomy and Astrophysics. 565, 13 p., A23.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

The chemical composition of RGB stars in off-axis bulge field

Johnson, C. I., Rich, R. M., Kunder, A., Propris, R. D., Kobayashi, C. & Koch, A., 2012, In: Bulletin of the American Astronomical Society. 219, 152.11.

Research output: Contribution to Journal/Magazine › Meeting abstract

The chemical evolution of subpopulations in the Carina dwarf spheroidal

Koch, A., Wilkinson, M., Grebel, E. K., Harbeck, D., Kleyna, J., Wyse, R. F. G., Gilmore, G. & Evans, N. W., 2005, In: Proceedings of the International Astronomical Union. 1, C198, p. 134-138 5 p.

Research output: Contribution to Journal/Magazine › Journal article

The extended star formation history of the Andromeda spheroid at 35 kpc on the minor axis

Brown, T. M., Beaton, R., Chiba, M., Ferguson, H. C., Gilbert, K. M., Guhathakurta, P., Iye, M., Kalirai, J. S., Koch, A., Komiyama, Y., Majewski, S. R., Reitzel, D. B., Renzini, A., Rich, R. M., Smith, E., Sweigart, A. V. & Tanaka, M., 1/10/2008, In: Astrophysical Journal Letters. 685, 2, p. L121-L124 4 p.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

The first chemical abundance study of the Hercules dwarf spheroidal galaxy

Koch, A., McWilliam, A. & Wilkinson, M. I., 2008, In: Bulletin of the American Astronomical Society. 39, p. 896

Research output: Contribution to Journal/Magazine › Meeting abstract

The Gaia ESO survey: calibration strategy

Pancino, E. & Koch, A., 02/2017, In: Astronomy and Astrophysics. 598, 16 p., A5.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

The Gaia-ESO Public Spectroscopic Survey

Koch, A., 2012, In: The Messenger. 147, p. 25-31 7 p.

Research output: Contribution to Journal/Magazine › Journal article

The Gaia-ESO Survey: detailed abundances in the metal-poor globular cluster NGC 4372

Roman, I. S., Muñoz, C., Geisler, D., Villanova, S., Kacharov, N., Koch, A., Carraro, G., Tautvaišiene, G., Vallenari, A., Alfaro, E. J., Bensby, T., Flaccomio, E., Francois, P., Korn, A. J., Pancino, E., Recio-Blanco, A., Smiljanic, R., Bergemann, M., Costado, M. T., Damiani, F., & 11 othersHeiter, U., Hourihane, A., Jofré, P., Lardo, C., Laverny, P. D., Masseron, T., Morbidelli, L., Sbordone, L., Sousa, S. G., Worley, C. C. & Zaggia, S., 14/04/2015, In: Astronomy and Astrophysics. 579, 14 p., A6.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

The Halos and Environments of Nearby Galaxies (HERON) Survey

Rich, R. M., Brosch, N., Bullock, J., Burkert, A., Collins, M. L. M., de Groot, L., Kennefick, J., Koch, A., Longstaff, F. A. & Sales, L., 21/03/2017, In: Proceedings of the International Astronomical Union. 11, S321, p. 186-189 4 p.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

The highly unusual chemical composition of the Hercules dwarf spheroidal galaxy

Koch, A., McWilliam, A., Grebel, E. K., Zucker, D. B. & Belokurov, V., 3/11/2008, In: Astrophysical Journal Letters. 688, 1, p. L13-L16 4 p.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

The internal kinematics of dwarf spheroidal galaxies

Wilkinson, M. I., Kleyna, J., Evans, N. W., Gilmore, G., Read, J. I., Koch, A., Grebel, E. K. & Irwin, M., 2006, In: EAS Publications Series. 20, p. 29-32 4 p.

Research output: Contribution to Journal/Magazine › Journal article

The kinematic footprints of five stellar streams in Andromeda's halo

Chapman, S. C., Ibata, R. A., Irwin, M., Koch, A., Letarte, B., Martin, N., Collins, M., Lewis, G. F., McConnachie, A., Peñarrubia, J., Rich, R. M., Trethewey, D., Ferguson, A., Huxor, A. & Tanvir, N., 11/11/2008, In: Monthly Notices of the Royal Astronomical Society. 390, 4, p. 1437-1452 16 p.

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The kinematic identification of a thick stellar disc in M31

Collins, M. L. M., Chapman, S. C., Ibata, R. A., Irwin, M. J., Rich, R. M., Ferguson, A. M. N., Lewis, G. F., Tanvir, N. & Koch, A., 21/05/2011, In: Monthly Notices of the Royal Astronomical Society. 413, 3, p. 1548-1568 21 p.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

The line of sight velocity distribution of the Galactic bulge

Reitzel, D. B., Howard, C. D., Rich, R. M., Koch, A. & Zhao, H., 2007, In: Bulletin of the American Astronomical Society. 38, p. 1149

Research output: Contribution to Journal/Magazine › Meeting abstract

The local universe at 30 mag/sq. arcsec: extended stellar halos around near-by galaxies

Schaul, D., Rich, R. M., Black, C. S., Reitzel, D. B., Collins, M. L. M., Koch, A., Longstaff, F. A. & Benson, A., 2013, In: Bulletin of the American Astronomical Society. 221, 146.01.

Research output: Contribution to Journal/Magazine › Meeting abstract

The luminosity function of Palomar 5 and Its tidal tails

Koch, A., Odenkirchen, M., Grebel, E. K., Martinez-Delgado, D. & Caldwell, J. A. R., 2004, In: ASP Conference Series. 327, p. 333-336 4 p.

Research output: Contribution to Journal/Magazine › Journal article

The mass function of the globular cluster Palomar 5 and its tidal tails

Koch, A., Odenkirchen, M., Caldwell, J. A. R. & Grebel, E. K., 2003, In: Astronomical Notes / Astronomische Nachrichten. 324, S2, p. 79 1 p.

Research output: Contribution to Journal/Magazine › Meeting abstract

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

Collins, M. L. M., Chapman, S. C., Rich, R. M., Ibata, R. A., Martin, N. F., Irwin, M. J., Bate, N. F., Lewis, G. F., Peñarrubia, J., Arimoto, N., Casey, C. M., Ferguson, A. M. N., Koch, A., McConnachie, A. W. & Tanvir, N., 6/02/2014, In: The Astrophysical Journal. 783, 1, 14 p., 7.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

The metallicity and age distribution of the Carina dwarf spheroidal galaxy

Koch, A., Grebel, E. K., Harbeck, D., Wilkinson, M. I., Kleyna, J., Gilmore, G., Wyse, R. F. G. & Evans, N. W., 2004, In: Astronomical Notes / Astronomische Nachrichten. 325, S1, p. 44 1 p.

Research output: Contribution to Journal/Magazine › Meeting abstract

The metal-poor knee in the Fornax dwarf spheroidal galaxy

Hendricks, B., Koch, A., Lanfranchi, G. A., Boeche, C., Walker, M., Johnson, C. I., Penarrubia, J. & Gilmore, G., 1/04/2014, In: The Astrophysical Journal. 785, 2, 9 p., 102.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

The observed properties of dark matter on small spatial scales

Gilmore, G., Wilkinson, M. I., Wyse, R. F. G., Kleyna, J., Koch, A., Wyn Evans, N. & Grebel, E. K., 10/07/2007, In: The Astrophysical Journal. 663, 2, p. 948-959 12 p.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

The puzzling assembly of the Milky Way halo: contributions from dwarf Spheroidals and globular clusters

Koch, A., Lépine, S. & Çalışkan, Ş., 2012, In: EPJ Web of Conferences. 19, 7 p., 03002.

Research output: Contribution to Journal/Magazine › Journal article

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

Koch, A., Burkert, A., Rich, R. M., Collins, M. L. M., Black, C. S., Hilker, M. & Benson, A. J., 25/07/2012, In: Astrophysical Journal Letters. 755, 1, 7 p., L13.

Research output: Contribution to Journal/Magazine › Journal article › peer-review