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Dr Andreas Koch

Formerly at Lancaster University

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  1. Chapter
  2. Published

    The age-metallicity relation of the SMC

    Kayser, A., Grebel, E. K., Harbeck, D., Cole, A. A., Koch, A., Gallagher III, J. S. & Da Costa, G., 2009, Globular Clusters: Guides to Galaxies. Richtler, T. & Larsen, S. (eds.). Springer, p. 157-160 4 p. (Eso Astrophysics Symposia).

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSN › Chapter

  3. Published

    Young star clusters in the SMC

    Glatt, K., Grebel, E. K. & Koch, A., 2009, Globular Clusters: Guides to Galaxies. Richtler, T. & Larsen, S. (eds.). Springer, p. 119-120 2 p. (Eso Astrophysics Symposia).

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSN › Chapter

  4. Conference contribution/Paper
  5. Published

    Early-type dwarf galaxies in the M81 group

    Lianou, S., Grebel, E. K. & Koch, A., 2009, Stellar Populations: Planning for the Next Decade. Bruzual, G. R. & Charlot, S. (eds.). Cambridge University Press, p. 115-118 4 p. (Proceedings of the International Astronomical Union; no. 262).

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSN › Conference contribution/Paper › peer-review

  6. Published

    Complexity in small-scale dwarf spheroidal galaxies: Ludwig Biermann Award Lecture

    Koch, A., 2009, Reviews in Modern Astronomy: Formation and Evolution of Cosmic Structures. Röser, S. (ed.). Wiley, Vol. 21. p. 39-69 31 p.

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSN › Conference contribution/Paper › peer-review

  7. Published

    What Is a galaxy? How cold Is cold dark matter? Recent progress in near field cosmology

    Gilmore, G., Zucker, D. B., Wilkinson, M., Wyse, R. F. G., Belokurov, V., Kleyna, J., Koch, A., Evans, N. W. & Grebel, E. K., 2008, Panoramic Views of Galaxy Formation and Evolution. Kodama, T., Yamada, T. & Aoki, K. (eds.). p. 453-456 4 p. (ASP Conference Series; vol. 399).

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSN › Conference contribution/Paper › peer-review

  8. Published

    A spectroscopy-based age-metallicity relation of the SMC

    Kayser, A., Grebel, E. K., Harbeck, D., Cole, A. A., Koch, A., Glatt, K., Gallagher III, J. S. & Da Costa, G., 2007, Stellar Populations as Building Blocks of Galaxies. Peletier, R. F. & Vazdekis, A. (eds.). Cambridge University Press, Vol. 2. p. 351-352 2 p. (Proceedings of the International Astronomical Union; vol. S241).

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSN › Conference contribution/Paper › peer-review

  9. Published

    Chemical evolution in the Carina dwarf spheroidal

    Koch, A., Grebel, E. K., Harbeck, D., Wilkinson, M. I., Kleyna, J., Gilmore, G., Wyse, R. F. G. & Evans, N. W., 2005, Chemical Abundances and Mixing in Stars in the Milky Way and its Satellites. Randich, S. & Pasquini, L. (eds.). Springer, p. 249-251 3 p. (ESO Astrophysics Symposia).

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSN › Conference contribution/Paper › peer-review

  10. Published

    R-process and α-elements in the Galactic disk: kinematic correlations

    Koch, A. & Grebel, E. K., 2004, Planets to Cosmology: Essential Science In Hubble’s Final Years. Livio, M. & Casertano, S. (eds.). Cambridge University Press, 5 p. (Space Telescope Science Institute Symposium Series).

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSN › Conference contribution/Paper › peer-review

  11. Conference paper
  12. Published

    Hermes and the Sagittarius dwarf: a low metallicity goldmine?

    Hyde, E. A., Zucker, D. B., Irwin, M., Penarrubia, J. & Koch, A., 2011. 325 p.

    Research output: Contribution to conference - Without ISBN/ISSN › Conference paper

  13. Published

    How unique is the Local Group? A comparison to the nearby Centaurus A group

    Crnojevic, D., Grebel, E. K., Ferguson, A. M. N., Cole, A. A., Koch, A., Rejkuba, M., Da Costa, G. & Jerjen, H., 2011.

    Research output: Contribution to conference - Without ISBN/ISSN › Conference paper

  14. Poster
  15. Published

    Kinematic and chemical constraints on the formation of M31’s inner halo structures

    Koch, A., Rich, R. M. & Reitzel, D. B., 2007.

    Research output: Contribution to conference - Without ISBN/ISSN › Poster

  16. Published

    The Bulge Radial Velocity Assay [BRAVA]: techniques and results

    Howard, C. D., Reitzel, D. B., Rich, R. M., Koch, A. & Zhao, H., 2007.

    Research output: Contribution to conference - Without ISBN/ISSN › Poster

  17. Published

    Stellar kinematics in the remote Leo I and II dwarf spheroidals

    Koch, A., Wilkinson, M. I., Kleyna, J., Gilmore, G. F., Grebel, E. K., Evans, N. W. & Wyse, R. F. G., 2007.

    Research output: Contribution to conference - Without ISBN/ISSN › Poster

  18. Published

    Chemical abundances in the Carina dwarf spheroidal galaxy

    Koch, A., McWilliam, A., Grebel, E. K., Wyse, R. F. G. & Gilmore, G. F., 2007.

    Research output: Contribution to conference - Without ISBN/ISSN › Poster

  19. Doctoral Thesis
  20. Published

    Formation histories of galactic halos via chemical and dynamical analyses of near-by stellar systems: Habilitation Thesis

    Koch, A., 2014, University of Heidelberg.

    Research output: Thesis › Doctoral Thesis

  21. Published

    Chemical and kinematical evolution in nearby dwarf spheroidal galaxies

    Koch, A., 2006, University of Basel. 194 p.

    Research output: Thesis › Doctoral Thesis

  22. Master's Thesis
  23. Published

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

    Koch, A., 2003, University of Heidelberg.

    Research output: Thesis › Master's Thesis

  24. Journal article
  25. Published

    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

  26. Published

    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.

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

  27. Published

    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

  28. Published

    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.

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

  29. Published

    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.

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

  30. Published

    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

  31. Published

    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

  32. Published

    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

  33. Published

    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

  34. Published

    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.

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

  35. Published

    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.

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

  36. Published

    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.

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

  37. Published

    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.

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

  38. Published

    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.

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

  39. Published

    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.

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

  40. Published

    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.

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

  41. Published

    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.

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

  42. Published

    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.

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

  43. Published

    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.

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

  44. Published

    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.

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

  45. Published

    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.

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

  46. Published

    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.

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

  47. Published

    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.

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

  48. Published

    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.

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

  49. Published

    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

  50. Published

    Insights from the outskirts: chemical and dynamical properties in the outer parts of the Fornax dwarf spheroidal galaxy

    Hendricks, B., Koch, A., Walker, M., Johnson, C. I., Penarrubia, J. & Gilmore, G., 12/2014, In: Astronomy and Astrophysics. 572, 19 p., A82.

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

  51. Published

    A chemical confirmation of the faint Boötes II dwarf Spheroidal Galaxy

    Koch, A. & Rich, R. M., 25/09/2014, In: The Astrophysical Journal. 794, 1, 9 p., 89.

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

  52. Published

    Light, Alpha, and Fe-peak element abundances in the Galactic bulge

    Johnson, C. I., Rich, R. M., Kobayashi, C., Kunder, A. & Koch, A., 9/09/2014, In: The Astronomical Journal. 148, 4, 32 p., 67.

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

  53. Published

    4MOST: 4-metre Multi-Object Spectroscopic Telescope

    4MOST Consortium, 24/07/2014, In: Proceedings of SPIE. 9147

    Research output: Contribution to Journal/Magazine › Journal article

  54. Published

    A study of rotating globular clusters: the case of the old, metal-poor globular cluster NGC 4372

    Kacharov, N., Bianchini, P., Koch, A., Frank, M. J., Martin, N. F., van de Ven, G., Puzia, T. H., McDonald, I., Johnson, C. I. & Zijlstra, A. A., 11/07/2014, In: Astronomy and Astrophysics. 567, 12 p., A69.

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

  55. Published

    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

  56. Published

    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

  57. Published

    The Be-test in the Li-rich star #1657 of NGC 6397: evidence for Li-flash in RGB stars?

    Pasquini, L., Koch, A., Smiljanic, R., Bonifacio, P. & Modigliani, A., 03/2014, In: Astronomy and Astrophysics. 563, 5 p., A3.

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

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