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Research

Dr Andreas Koch

Formerly at Lancaster University

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  1. Meeting abstract
  2. 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

  3. 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

  4. 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

  5. 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

  6. 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

  7. 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

  8. 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

  9. Published

    The local universe at 30 mag/sq. arcsec: extended stellar halos around near-by galaxies

    Schaul, D., Rich, R. M., Black, C. S., Reitzel, D. B., Collins, M. L. M., Koch, A., Longstaff, F. A. & Benson, A., 2013, In: Bulletin of the American Astronomical Society. 221, 146.01.

    Research output: Contribution to Journal/Magazine › Meeting abstract

  10. 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

  11. Published

    The Bulge Radial Velocity Assay (BRAVA): final results, a new high velocity star, and public data release

    Rich, R. M., Kunder, A., Propris, R. D. & Koch, A., 2012, In: Bulletin of the American Astronomical Society. 219, 252.02.

    Research output: Contribution to Journal/Magazine › Meeting abstract

  12. Published

    The chemical composition of RGB stars in off-axis bulge field

    Johnson, C. I., Rich, R. M., Kunder, A., Propris, R. D., Kobayashi, C. & Koch, A., 2012, In: Bulletin of the American Astronomical Society. 219, 152.11.

    Research output: Contribution to Journal/Magazine › Meeting abstract

  13. Published

    Was the progenitor of the Sagittarius Stream a disc galaxy? Recent results & observations

    Hyde, E. A., Zucker, D. B., Peñarrubia, J., Irwin, M., Lane, R., Lewis, G. F., Gilmore, G. & Koch, A., 2011, In: Bulletin of the American Astronomical Society. 217, 152.28.

    Research output: Contribution to Journal/Magazine › Meeting abstract

  14. Published

    The Bulge Radial Velocity Assay: new observations and results

    Kunder, A., Propris, R. D., Rich, R. M. & Koch, A., 2011, In: Bulletin of the American Astronomical Society. 217, 241.12.

    Research output: Contribution to Journal/Magazine › Meeting abstract

  15. Published

    Striking agreement between galactic bulge kinematics from the BRAVA survey, and an N-body bar

    Rich, R. M., Shen, J., Howard, C. D., Propris, R. D., Koch, A. & Reitzel, D. B., 2010, In: Bulletin of the American Astronomical Society. 215, 321.06.

    Research output: Contribution to Journal/Magazine › Meeting abstract

  16. Published

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

    Reitzel, D. B., Koch, A. & Rich, R. M., 2008, In: Bulletin of the American Astronomical Society. 39, p. 897

    Research output: Contribution to Journal/Magazine › Meeting abstract

  17. Published

    The first chemical abundance study of the Hercules dwarf spheroidal galaxy

    Koch, A., McWilliam, A. & Wilkinson, M. I., 2008, In: Bulletin of the American Astronomical Society. 39, p. 896

    Research output: Contribution to Journal/Magazine › Meeting abstract

  18. Published

    Ages, distances, and fiducials for seven SMC star clusters with HST/ACS

    Glatt, K., Gallagher III, J. S., Grebel, E. K., Nota, A., Sabbi, E., Sirianni, M., Clementini, G., Tosi, M., Harbeck, D. & Koch, A., 2008, In: Bulletin of the American Astronomical Society. 39, p. 836

    Research output: Contribution to Journal/Magazine › Meeting abstract

  19. Published

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

    Koch, A., Rich, R. M. & Reitzel, D. B., 2007, In: Astronomical Notes / Astronomische Nachrichten. 328, 7, p. 653 1 p., D76.

    Research output: Contribution to Journal/Magazine › Meeting abstract

  20. Published

    Chemical abundances in the Carina dwarf spheroidal galaxy

    Koch, A., Grebel, E. K., McWilliam, A., Wyse, R. F. G. & Gilmore, G. F., 2007, In: Astronomical Notes / Astronomische Nachrichten. 328, 7, p. 652 1 p., D75.

    Research output: Contribution to Journal/Magazine › Meeting abstract

  21. Published

    The line of sight velocity distribution of the Galactic bulge

    Reitzel, D. B., Howard, C. D., Rich, R. M., Koch, A. & Zhao, H., 2007, In: Bulletin of the American Astronomical Society. 38, p. 1149

    Research output: Contribution to Journal/Magazine › Meeting abstract

  22. Published

    Keck/Deimos spectroscopy of distant M31 fields with deep HST imaging

    Rich, R. M., Brown, T. M., Reitzel, D. B., Ferguson, H. & Koch, A., 2007, In: Bulletin of the American Astronomical Society. 38, p. 1155

    Research output: Contribution to Journal/Magazine › Meeting abstract

  23. Published

    Stellar kinematics in the Leo I dwarf spheroidal galaxy: wide field implications for galactic mass profiles

    Koch, A., Wilkinson, M. I., Kleyna, J., Gilmore, G., Evans, N. W. & Grebel, E. K., 2005, In: Bulletin of the American Astronomical Society. 37, p. 1345

    Research output: Contribution to Journal/Magazine › Meeting abstract

  24. 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

  25. Published

    Further evidence for a merger origin for the Thick disk: Galactic stars along line-of-sight to dwarf spheroidal galaxies

    Wyse, R. F. G., Gilmore, G., Norris, J., Wilkinson, M. I., Kleyna, J., Koch, A., Evans, N. W. & Grebel, E. K., 2005, In: Bulletin of the American Astronomical Society. 37, p. 1368

    Research output: Contribution to Journal/Magazine › Meeting abstract

  26. Published

    Star clusters in the large magellanic cloud

    Glatt, K., Grebel, E. K. & Koch, A., 2005, In: Astronomical Notes / Astronomische Nachrichten. 326, 7, p. 651-652 2 p.

    Research output: Contribution to Journal/Magazine › Meeting abstract

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