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Research

Dr Andreas Koch

Formerly at Lancaster University

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  1. 2014
  2. 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

  3. 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

  4. 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

  5. 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

  6. 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

  7. 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

  8. 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

  9. 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

  10. Published

    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

  11. Published

    Blanco DECam Bulge Survey (BDBS): current status and progress

    Koch, A., 2014, In: Bulletin of the American Astronomical Society. 224, 319.01.

    Research output: Contribution to Journal/Magazine › Meeting abstract

  12. 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

  13. Published

    Searching for stellar sub-structure in the Galactic bulge

    Koch, A., 2014, In: Bulletin of the American Astronomical Society. 223, 442.04.

    Research output: Contribution to Journal/Magazine › Meeting abstract

  14. Published

    The Blanco DECam Bulge Survey (BDBS): status and early results

    Koch, A., 2014, In: Bulletin of the American Astronomical Society. 223, 346.19.

    Research output: Contribution to Journal/Magazine › Meeting abstract

  15. 2013
  16. Published

    A spectroscopic binary in the Hercules dwarf spheroidal galaxy

    Koch, A., Hansen, T., Feltzing, S. & Wilkinson, M. I., 13/12/2013, In: The Astrophysical Journal. 780, 1, 6 p., 91.

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

  17. Published
    No renderer
  18. Published

    A comprehensive chemical abundance study of the outer halo globular cluster M 75

    Kacharov, N., Koch, A. & McWilliam, A., 10/06/2013, In: Astronomy and Astrophysics. 554, 15 p., A81.

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

  19. Published

    Neutron-capture element deficiency of the Hercules dwarf spheroidal galaxy

    Koch, A., Feltzing, S., Adén, D. & Matteucci, F., 06/2013, In: Astronomy and Astrophysics. 554, 10 p., A5.

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

  20. Published

    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

  21. Published

    Velocity and abundance precisions for future high-resolution spectroscopic surveys: a study for 4MOST

    Caffau, E., Koch, A., Sbordone, L., Sartoretti, P., Hansen, C. J., Royer, F., Leclerc, N., Bonifacio, P., Christlieb, N., Ludwig, H. G., Grebel, E. K., Jong, R. S. D., Chiappini, C., Walcher, J., Mignot, S., Feltzing, S., Cohen, M., Minchev, I., Helmi, A. & Piffl, T. & 2 others, Depagne, E. & Schnurr, O., 1/03/2013, In: Astronomical Notes / Astronomische Nachrichten. 334, 3, p. 197-216 20 p.

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

  22. Published

    Metallicity distribution functions, radial velocities, and alpha element abundances in three off-axis bulge fields

    Johnson, C. I., Rich, R. M., Kobayashi, C., Kunder, A., Pilachowski, C. A., Koch, A. & Propris, R. D., 27/02/2013, In: The Astrophysical Journal. 765, 2, 47 p., 157.

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

  23. Published

    Population gradients and photometric metallicities in early- and transition-type dwarf galaxies: clues from the Sculptor group

    Lianou, S., Grebel, E. K., Da Costa, G. S., Rejkuba, M., Jerjen, H. & Koch, A., 17/01/2013, In: Astronomy and Astrophysics. 550, 21 p., A7.

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

  24. Published

    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

  25. Published

    An abundance study of the outer halo globular cluster M75

    Kacharov, N. & Koch, A., 2013, In: Memorie della Societa Astronomica Italiana. 84, p. 224

    Research output: Contribution to Journal/Magazine › Meeting abstract

  26. Published

    An intermediate-band photometric study of the “Globular Cluster” NGC 2419

    Koch, A., Frank, M. J., Feltzing, S., Adén, D., Kacharov, N. & Wilkinson, M. I., 2013, In: Memorie della Societa Astronomica Italiana. 84, p. 67

    Research output: Contribution to Journal/Magazine › Meeting abstract

  27. Published

    Selecting Sagittarius: a study of Sagittarius dwarf members throughout the Milky Way Galactic halo

    Hyde, E. A., Zucker, D. B., Keller, S., Siebert, A., Ibata, R. A., Penarrubia, J., Martell, S., Lewis, G., Irwin, M. & Koch, A., 2013, In: Bulletin of the American Astronomical Society. 221, 425.03.

    Research output: Contribution to Journal/Magazine › Meeting abstract

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