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Research

Dr Andreas Koch

Formerly at Lancaster University

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  1. Published

    Satellite anisotropies: a polar great plane of M31 early-type companions

    Grebel, E. K., Koch, A. & Sambhus, N., 2005, In: Bulletin of the American Astronomical Society. 37, p. 1346

    Research output: Contribution to Journal/Magazine › Meeting abstract

  2. 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

  3. 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

  4. 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

  5. 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

  6. Published

    Andromeda IX: properties of the faintest M31 dwarf satellite galaxy

    Harbeck, D., Gallagher III, J. S., Grebel, E. K., Koch, A. & Zucker, D. B., 10/04/2005, In: The Astrophysical Journal. 623, 1, p. 159-163 5 p.

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

  7. Published

    Chemical abundances of metal-poor RR Lyrae stars in the Magellanic Clouds

    Haschke, R., Grebel, E. K., Frebel, A., Duffau, S., Hansen, C. J. & Koch, A., 16/08/2012, In: The Astronomical Journal. 144, 3, 17 p., 88.

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

  8. 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

  9. 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

  10. 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

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