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Research

Dr Andreas Koch

Formerly at Lancaster University

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  1. 2009
  2. Published

    A spectroscopic confirmation of the Bootes II dwarf spheroidal

    Koch, A., Wilkinson, M. I., Kleyna, J., Irwin, M., Zucker, D. B., Belokurov, V., Gilmore, G., Fellhauer, M. & Wyn Evans, N., 1/01/2009, In: The Astrophysical Journal. 690, 1, p. 453-462 10 p.

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

  3. Published

    On the reported death of the MACHO era

    Quinn, D. P., Wilkinson, M. I., Irwin, M. J., Marshall, J., Koch, A. & Belokurov, V., 29/04/2009, In: Monthly Notices of the Royal Astronomical Society: Letters. 396, 1, p. L11-L15 5 p.

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

  4. Published

    Complexity in small-scale dwarf spheroidal galaxies

    Koch, A., Adén, D., Grebel, E. K. & Feltzing, S., 08/2009, In: Proceedings of the International Astronomical Union. 5, S265, p. 227-232 6 p.

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

  5. Published

    A constant dark matter halo surface density in galaxies

    Donato, F., Gentile, G., Salucci, P., Martins, C. F., Wilkinson, M. I., Gilmore, G., Grebel, E. K., Koch, A. & Wyse, R., 11/08/2009, In: Monthly Notices of the Royal Astronomical Society. 397, 3, p. 1169-1176 8 p.

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

  6. Published

    Kinematics at the edge of the galactic bulge: evidence for cylindrical rotation

    Howard, C. D., Rich, R. M., Clarkson, W., Mallery, R., Kormendy, J., Propris, R. D., Robin, A. C., Fux, R., Reitzel, D. B., Zhao, H., Kuijken, K. & Koch, A., 24/08/2009, In: Astrophysical Journal Letters. 702, 2, p. L153-L157 5 p.

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

  7. Published

    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

  8. Published

    Structural parameters of seven small magellanic cloud intermediate-age and old star clusters

    Glatt, K., Grebel, E. K., Gallagher III, J. S., Nota, A., Sabbi, E., Sirianni, M., Clementini, G., Costa, G. D., Tosi, M., Harbeck, D., Koch, A. & Kayser, A., 1/10/2009, In: The Astronomical Journal. 138, 5, p. 1403-1416 14 p.

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

  9. Published

    All quiet in the outer halo: chemical abundances in the globular cluster Pal 3

    Koch, A., Côté, P. & McWilliam, A., 11/2009, In: Astronomy and Astrophysics. 506, 2, p. 729-743 15 p.

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

  10. Published

    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

  11. Published

    Evolution of dwarf galaxies in the Centaurus A group

    Crnojevic, D., Grebel, E. K. & Koch, A., 4/11/2009, In: Astronomical Notes / Astronomische Nachrichten. 330, 9-10, p. 1001-1003 3 p.

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

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