A differential chemical abundance scale for the globular cluster M5

Koch, A. & McWilliam, A., 22/04/2010, In: The Astronomical Journal. 139, 6, p. 2289-2299 11 p.

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

A differential chemical element analysis of the metal-poor globular cluster NGC 6397

Koch, A. & McWilliam, A., 19/07/2011, In: The Astronomical Journal. 142, 2, 13 p., 63.

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

A first measurement of the proper motion of the Leo II dwarf spheroidal galaxy

Lépine, S., Koch, A., Rich, R. M. & Kuijken, K., 24/10/2011, In: The Astrophysical Journal. 741, 2, 10 p., 100.

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

A high-velocity bulge RR Lyrae variable on a halo-like orbit

Kunder, A., Rich, R. M., Hawkins, K., Poleski, R., Storm, J., Johnson, C. I., Shen, J., Li, Z., Cordero, M. J., Nataf, D. M., Bono, G., Walker, A. R., Koch, A., Propris, R. D., Udalski, A., Szymanski, M. K., Soszynski, I., Pietrzynski, G., Ulaczyk, K., Wyrzykowski, L., & 4 othersPietrukowicz, P., Skowron, J., Kozłowski, S. & Mróz, P., 16/07/2015, In: Astrophysical Journal Letters. 808, 1, 6 p., L12.

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

A kinematic study of the Andromeda dwarf spheroidal system

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., 26/04/2013, In: The Astrophysical Journal. 768, 2, 36 p., 172.

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

A new abundance scale for the globular cluster 47 Tuc

Koch, A. & McWilliam, A., 12/03/2008, In: The Astronomical Journal. 135, 4, p. 1551-1566 16 p.

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

A new algorithm for optimizing the wavelength coverage for spectroscopic studies: Spectral Wavelength Optimization Code (swoc)

Ruchti, G. R., Feltzing, S., Lind, K., Caffau, E., Korn, A. J., Schnurr, O., Hansen, C. J., Koch, A., Sbordone, L. & De jong, R. S., 11/09/2016, In: Monthly Notices of the Royal Astronomical Society. 461, 2, p. 2174-2191 17 p.

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

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

Adén, D., Wilkinson, M. I., Read, J. I., Feltzing, S., Koch, A., Gilmore, G. F., Grebel, E. K. & Lundström, I., 4/11/2009, In: Astrophysical Journal Letters. 706, 1, p. L150-L154 5 p.

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

A new, smaller size for the low-surface brightness galaxy VCC 1661 in the Virgo Cluster

Black, C. S., Koch, A., Rich, R. M., Longstaff, F. A., Collins, M. L. M., Lisker, T. & Janz, J., 2013, In: Bulletin of the American Astronomical Society. 221, 436.01.

Research output: Contribution to Journal/Magazine › Meeting abstract

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

Adén, D., Feltzing, S., Koch, A., Wilkinson, M. I., Grebel, E. K., Lundström, I., Gilmore, G. F., Zucker, D. B., Belokurov, V., Evans, N. W. & Faria, D., 27/08/2009, In: Astronomy and Astrophysics. 506, 3, p. 1147-1168 22 p.

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