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Research

Dr Andreas Koch

Formerly at Lancaster University

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  1. 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

  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

    Kinematic and chemical constraints on the formation of M31's inner and outer halo

    Koch, A., Rich, R. M., Reitzel, D. B., Martin, N. F., Ibata, R. A., Chapman, S. C., Majewski, S. R., Mori, M., Loh, Y-S., Ostheimer, J. C. & Tanaka, M., 20/12/2008, In: The Astrophysical Journal. 689, 2, p. 958-982 25 p.

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

  4. Published

    The highly unusual chemical composition of the Hercules dwarf spheroidal galaxy

    Koch, A., McWilliam, A., Grebel, E. K., Zucker, D. B. & Belokurov, V., 3/11/2008, In: Astrophysical Journal Letters. 688, 1, p. L13-L16 4 p.

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

  5. Published

    Complexity on small scales III: iron and α element abundances in the Carina dwarf spheroidal galaxy

    Koch, A., Grebel, E. K., Gilmore, G. F., Wyse, R. F. G., Kleyna, J., Harbeck, D., Wilkinson, M. I. & Wyn Evans, N., 13/03/2008, In: The Astronomical Journal. 135, 4, p. 1580-1597 18 p.

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

  6. Published

    A new abundance scale for the globular cluster 47 Tuc

    Koch, A. & McWilliam, A., 12/03/2008, In: The Astronomical Journal. 135, 4, p. 1551-1566 16 p.

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

  7. Published

    Stellar kinematics in the remote Leo II dwarf spheroidal galaxy: another brick in the wall

    Koch, A., Kleyna, J., Wilkinson, M. I., Grebel, E. K., Gilmore, G. F., Wyn Evans, N., Wyse, R. F. G. & Harbeck, D., 8/06/2007, In: The Astronomical Journal. 134, 2, p. 566-578 13 p.

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

  8. Published

    Stellar kinematics and metallicities in the Leo I dwarf spheroidal galaxy: wide-field implications for galactic evolution

    Koch, A., Wilkinson, M. I., Kleyna, J., Gilmore, G., Grebel, E. K., Mackey, A. D., Wyn Evans, N. & Wyse, R. F. G., 1/03/2007, In: The Astrophysical Journal. 657, 1, p. 241-261 21 p.

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

  9. Published

    Complexity on small scales: II. Metallicities and ages in the Leo II dwarf spheroidal galaxy

    Koch, A., Grebel, E. K., Kleyna, J., Wilkinson, M. I., Harbeck, D., Gilmore, G., Wyse, R. F. G. & Wyn Evans, N., 01/2007, In: The Astronomical Journal. 133, 1, p. 270-283 14 p.

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

  10. Published

    The anisotropic distribution of M31 satellite galaxies: a polar great plane of early-type companions

    Koch, A. & Grebel, E. K., 03/2006, In: The Astronomical Journal. 131, 3, p. 1405-1415 11 p.

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

  11. Published

    Complexity on small scales: the metallicity distribution of the Carina dwarf spheroidal galaxy

    Koch, A., Grebel, E. K., Wyse, R. F. G., Kleyna, J., Wilkinson, M. I., Harbeck, D., Gilmore, G. & Wyn Evans, N., 02/2006, In: The Astronomical Journal. 131, 2, p. 895-911 17 p.

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

  12. Published

    Mass segregation in the globular cluster Palomar 5 and its tidal tails

    Koch, A., Grebel, E. K., Odenkirchen, M., Martínez-Delgado, D. & Caldwell, J. A. R., 11/2004, In: The Astronomical Journal. 128, 5, p. 2274-2287 14 p.

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

  13. Published

    A calibration map for Wide Field Imager photometry

    Koch, A., Odenkirchen, M., Grebel, E. K. & Caldwell, J. A. R., 8/12/2003, In: Astronomical Notes / Astronomische Nachrichten. 325, 4, p. 299-306 8 p.

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

  14. Published

    Europium abundances in F and G disk dwarfs

    Koch, A. & Edvardsson, B., 01/2002, In: Astronomy and Astrophysics. 381, 2, p. 500-506 7 p.

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

  15. 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

  16. 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

  17. 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

  18. 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

  19. 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

  20. Published

    4MOST: 4-metre Multi-Object Spetroscopic Telescope

    4MOST Consortium, 2012, In: Proceedings of SPIE. 8446

    Research output: Contribution to Journal/Magazine › Journal article

  21. Published

    Small-scale hero: massive-star enrichment in the Hercules dwarf spheroidal

    Koch, A., Matteucci, F. & Feltzing, S., 2012, In: AIP Conference Proceedings. 1480, p. 190

    Research output: Contribution to Journal/Magazine › Journal article

  22. Published

    The Gaia-ESO Public Spectroscopic Survey

    Koch, A., 2012, In: The Messenger. 147, p. 25-31 7 p.

    Research output: Contribution to Journal/Magazine › Journal article

  23. Published

    A super-Li rich turnoff star in NGC 6397: the puzzle persists

    Koch, A., Lind, K., Thompson, I. B. & Rich, R. M., 2012, In: Memorie della Societa Astronomica Italiana. 22, p. 79

    Research output: Contribution to Journal/Magazine › Meeting abstract

  24. Published

    4MOST: 4-meter Multi-Object Spectroscopic Telescope

    4MOST Consortium, 2012, In: EPJ Web of Conferences. 19, 3 p., 09004.

    Research output: Contribution to Journal/Magazine › Journal article

  25. Published

    The puzzling assembly of the Milky Way halo: contributions from dwarf Spheroidals and globular clusters

    Koch, A., Lépine, S. & Çalışkan, Ş., 2012, In: EPJ Web of Conferences. 19, 7 p., 03002.

    Research output: Contribution to Journal/Magazine › Journal article

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