Galactic Pal-eontology: abundance analysis of the disrupted globular cluster Palomar 5

Koch, A. & Cote, P., 1/05/2017, In: Astronomy and Astrophysics. 601, 9 p., A41.

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

Another look at the size of the low-surface brightness galaxy VCC 1661 in the Virgo Cluster

Koch, A., Black, C. S., Rich, R. M., Longstaff, F. A., Collins, M. L. M. & Janz, J., 05/2017, In: Astronomical Notes / Astronomische Nachrichten. 338, 4, p. 503-509 7 p.

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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.

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Insights into the chemical composition of the metal-poor Milky Way halo globular cluster NGC 6426

Hanke, M., Koch, A., Hansen, C. J. & McWilliam, A., 03/2017, In: Astronomy and Astrophysics. 599, 15 p., A97.

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

Hollyhead, K., Kacharov, N., Lardo, C., Bastian, N., Hilker, M., Rejkuba, M., Koch, A., Grebel, E. K. & Georgiev, I., 11/02/2017, In: Monthly Notices of the Royal Astronomical Society. 465, 1, p. L39-L43 5 p.

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Something borrowed, something blue: the nature of blue metal-poor stars inferred from their colours and chemical abundances

Hansen, C. J., Jofre, P., Koch, A., McWilliam, A. & Sneden, C. S., 02/2017, In: Astronomy and Astrophysics. 598, 16 p., A54.

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

The Gaia ESO survey: calibration strategy

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

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TOPoS: III. An ultra iron-poor CEMP multiple system

Caffau, E., Bonifacio, P., Spite, M., Spite, F., Monaco, L., Sbordone, L., Francois, P., Gallagher, A., Plez, B., Zaggia, S., Ludwig, H.-G., Cayrel, R., Koch, A., Steffen, M., Salvadori, S., Klessen, R. S., Glover, S. & Christlieb, N., 11/2016, In: Astronomy and Astrophysics. 595, 6 p., L6.

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.

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Chemical abundances in a high-velocity RR Lyrae star near the bulge

Hansen, C. J., Rich, R. M., Koch, A., Xu, S., Kunder, A. & Ludwig, H.-G., 1/06/2016, In: Astronomy and Astrophysics. 590, 9 p., A39.

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Before the bar: kinematic detection of a spheroidal metal-poor bulge component

Kunder, A., Rich, R. M., Koch, A., Storm, J., Nataf, D. M., Propris, R. D., Walker, A., Bono, G., Johnson, C. I., Shen, J. & Li, Z.-Y., 18/04/2016, In: Astrophysical Journal Letters. 821, 2, 6 p., L25.

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Metal-poor stars towards the Galactic bulge: a population potpourri

Koch, A., McWilliam, A., Preston, G. W. & Thompson, I. P., 1/03/2016, In: Astronomy and Astrophysics. 587, 15 p., A124.

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Triangulum II: a very metal-poor and dynamically hot stellar system

Martin, N. F., Ibata, R. A., Collins, M. L. M., Rich, R. M., Bell, E. F., Ferguson, A. M. N., Laevens, B. P. M., Rix, H.-W., Chapman, S. C. & Koch, A., 5/02/2016, In: The Astrophysical Journal. 818, 1, 7 p., 40.

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Evidence for a chemical enrichment coupling of globular clusters and field stars in the Fornax dSph

Hendricks, B., Boeche, C., Johnson, C. I., Frank, M. J., Koch, A., Mateo, M. & Bailey III, J. I., 01/2016, In: Astronomy and Astrophysics. 585, 17 p., A86.

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Major mergers with small galaxies: the discovery of a Magellanic-type galaxy at z=0.12

Koch, A., Frank, M. J., Pasquali, A., Rich, R. M. & Rabitz, A., 15/12/2015, In: The Astrophysical Journal. 815, 2, 10 p., 105.

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Stellar science from a blue wavelength range: a possible design for the blue arm of 4MOST

Hansen, C. J., Ludwig, H.-G., Seifert, W., Koch, A., Xu, W., Caffau, E., Christlieb, N., Korn, A. J., Lind, K., Sbordone, L., Ruchti, G. R., Feltzing, S., De jong, R. S., Barden, S. & Schnurr, O., 10/09/2015, In: Astronomical Notes / Astronomische Nachrichten. 336, 7, p. 665-676 12 p.

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Strömgren uvby photometry of the peculiar globular cluster NGC 2419

Frank, M. J., Koch, A., Feltzing, S., Kacharov, N., Wilkinson, M. I. & Irwin, M., 09/2015, In: Astronomy and Astrophysics. 581, 15 p., A72.

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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.-Y., 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 others, Pietrukowicz, P., Skowron, J., Kozłowski, S. & Mróz, P., 16/07/2015, In: Astrophysical Journal Letters. 808, 1, 6 p., L12.

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A detection of gas associated with the M31 Stellar Stream

Koch, A., Danforth, C. W., Rich, R. M., Ibata, R. A. & Keeney, B. A., 9/07/2015, In: The Astrophysical Journal. 807, 2, 9 p., 153.

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TOPoS: on the bimodality of carbon abundance in CEMP stars Implications on the early chemical evolution of galaxies

Bonifacio, P., Caffau, E., Spite, M., Limongi, M., Chieffi, A., Klessen, R. S., Francois, P., Molaro, P., Ludwig, H.-G., Zaggia, S., Spite, F., Plez, B., Cayrel, R., Christlieb, N., Clark, P. C., Glover, S. C. O., Hammer, F., Koch, A., Monaco, L. & Sbordone, L. & 1 others, Steffen, M., 07/2015, In: Astronomy and Astrophysics. 579, 20 p., A28.

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Selecting Sagittarius: identification and chemical characterization of the Sagittarius stream

Hyde, E. A., Keller, S., Zucker, D. B., Ibata, R., Siebert, A., Lewis, G. F., Penarrubia, J., Irwin, M., Gilmore, G., Lane, R. R., Koch, A., Conn, A. R., Diakogiannis, F. I. & Martell, S., 2/06/2015, In: The Astrophysical Journal. 805, 2, 13 p., 189.

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Galactic evolution of sulphur as traced by globular clusters

Kacharov, N., Koch, A., Caffau, E. & Sbordone, L., 24/04/2015, In: Astronomy and Astrophysics. 577, 9 p., A18.

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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 others, Heiter, 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.

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An inefficient dwarf: Chemical abundances and the evolution of the Ursa Minor dwarf spheroidal galaxy

Ural, U., Cescutti, G., Koch, A., Kleyna, J., Feltzing, S. & Wilkinson, M. I., 19/03/2015, In: Monthly Notices of the Royal Astronomical Society. 449, 1, p. 761-770 10 p.

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Galaxy evolution through resolved stellar populations in the nearby Centaurus A group

Crnojevic, D., Grebel, E. K., Ferguson, A. M. N., Koch, A., Rejkuba, M., Da Costa, G., Jerjen, H., Irwin, M. J., Bernard, E. J., Arimoto, N., Jablonka, P. & Kobayashi, C., 2015, In: Memorie della Societa Astronomica Italiana. 86, p. 302-305 4 p.

Research output: Contribution to Journal/Magazine › Journal article