Home > Research > Observational Astrophysics > Publications & Outputs
View graph of relations

Observational Astrophysics

  1. Published

    Chemical abundances for the outer halo cluster Pal 4 from co-added high-resolution spectroscopy

    Koch, A. & Côté, P., 07/2010, In: Astronomy and Astrophysics. 517, 15 p., A59.

    Research output: Contribution to journalJournal articlepeer-review

  2. 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 journalJournal articlepeer-review

  3. 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 journalJournal articlepeer-review

  4. 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 journalJournal articlepeer-review

  5. 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 journalJournal articlepeer-review

  6. 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 journalJournal articlepeer-review

  7. 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 journalJournal articlepeer-review

  8. 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 journalJournal articlepeer-review

  9. 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 journalJournal articlepeer-review

  10. 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 journalJournal articlepeer-review

  11. Published

    4MOST: 4-metre Multi-Object Spectroscopic Telescope

    4MOST Consortium, 24/07/2014, In: Proceedings of SPIE. 9147

    Research output: Contribution to journalJournal article

  12. 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 journalMeeting abstract

  13. 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 journalMeeting abstract

  14. 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 journalJournal article

  15. Published

    The Gaia-ESO Public Spectroscopic Survey

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

    Research output: Contribution to journalJournal article

  16. 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 journalMeeting abstract

  17. Published

    4MOST: 4-meter Multi-Object Spectroscopic Telescope

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

    Research output: Contribution to journalJournal article

  18. 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 journalJournal article

  19. Published

    Chemical evolution in the Carina dwarf spheroidal

    Koch, A., Grebel, E. K., Harbeck, D., Wilkinson, M. I., Kleyna, J., Gilmore, G., Wyse, R. F. G. & Evans, N. W., 2005, Chemical Abundances and Mixing in Stars in the Milky Way and its Satellites. Randich, S. & Pasquini, L. (eds.). Springer, p. 249-251 3 p. (ESO Astrophysics Symposia).

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSNConference contribution/Paperpeer-review

  20. Published

    The metallicity and age distribution of the Carina dwarf spheroidal galaxy

    Koch, A., Grebel, E. K., Harbeck, D., Wilkinson, M. I., Kleyna, J., Gilmore, G., Wyse, R. F. G. & Evans, N. W., 2004, In: Astronomical Notes / Astronomische Nachrichten. 325, S1, p. 44 1 p.

    Research output: Contribution to journalMeeting abstract

  21. Published

    Correcting spatial gradients: the case of Wide Field Imager photometry

    Koch, A., Grebel, E. K., Odenkirchen, M. & Caldwell, J. A. R., 2004, In: The Messenger. 115, p. 37-39 3 p.

    Research output: Contribution to journalJournal article

  22. Published

    The luminosity function of Palomar 5 and Its tidal tails

    Koch, A., Odenkirchen, M., Grebel, E. K., Martinez-Delgado, D. & Caldwell, J. A. R., 2004, In: ASP Conference Series. 327, p. 333-336 4 p.

    Research output: Contribution to journalJournal article

  23. Published

    A retrospective of r-process and a-element abundances in the Galactic disk: correlations with rotational velocity

    Koch, A., Grebel, E. K. & Odenkirchen, M., 2003, In: Astronomical Notes / Astronomische Nachrichten. 324, S3, p. 144-145 2 p.

    Research output: Contribution to journalMeeting abstract

  24. Published

    A calibration map for the Wide Field Imager

    Koch, A., Odenkirchen, M., Caldwell, J. A. R. & Grebel, E. K., 2003, In: Astronomical Notes / Astronomische Nachrichten. 324, S2, p. 95 1 p.

    Research output: Contribution to journalMeeting abstract

  25. Published
Previous 1...4 5 6 7 8 9 10 11 ...16 Next

Back to top