University of Heidelberg

Publication list

Refereed articles

Non-refereed articles & conference contributions

Theses

Press releases & Popular articles



Download (pdf, 80 kb)
html - (ADS link)
(Last update: Apr. 29, 2013)

Refereed articles

  1. Kacharov, N., Koch, A., & McWilliam, A. 2013, A&A, in press (arXiv:1304.4247):
    `A comprehensive chemical abundance study of the outer halo globular cluster M 75'
  2. Koch, A., Feltzing, S., Adén, D., & Matteucci, F. 2013, A&A, in press (arXiv:1304.7264):
    `On the neutron-capture element deficiency of the Hercules dwarf spheroidal galaxy'
  3. Collins, M.L.M., Chapman, S.C., Irwin, M.J., Rich, R.M., Ibata, R.A., Martin, N.F., Bate, N.F., Lewis, G.F., Penarrubia, J., Arimoto, N., Casey, C.M., Ferguson, A.M.N., Koch, A., et 2 alii 2013, ApJ, 768, 172:
    `A kinematic study of the Andromeda dwarf spheroidal system'
  4. Johnson, C.I., Rich., R.M., Kobayashi, C., Kunder, A., Pilachowski, C.A., Koch, A., & de Propris, R. 2013, ApJ, 765, 157:
    `Metallicity distribution functions, radial velocities, and alpha element abundances in three off-axis bulge fields'
  5. Caffau, E., Koch, A., Sbordone, L., et 19 alii 2013, AN, 334, 197:
    `Velocity and abundance precisions for future high-resolution spectroscopic surveys: a study for 4MOST'
  6. Lianou, S., Grebel, E.K., Da Costa, G.S., Rejkuba, M., Jerjen, H., & Koch, A. 2013, A&A, 550, 7:
    `Population gradients and photometric metallicities in early- and transition-type dwarf galaxies: clues from the Sculptor Group'
  7. Haschke, R., Grebel, E.K., Frebel, A., Duffau, S., Hansen, C.J., & Koch, A. 2012, AJ, 144, 88:
    `Chemical abundances of metal-poor RR Lyrae stars in the Magellanic Clouds'
  8. Koch, A., Burkert, A., Rich, R.M., Collins, M.L.M., Black, C.S., Hilker, M., & Benson, A. 2012, ApJL, 755, L13:
    `Threshing in Action -- The tidal disruption of a dwarf galaxy by the Hydra I Cluster'
  9. Salucci, P., Wilkinson, M.I., Walker, M.G., Gilmore, G.F., Grebel, E.K., Koch, A., Frigerio Martins, C., & Wyse, R.F.G. 2012, MNRAS, 420, 2034:
    `Dwarf spheroidal galaxy kinematics and spiral galaxy scaling laws'
  10. Rich, R.M., Collins, M.L.M., Black, C.S., Longstaff, F.M., Koch, A., Benson, A., & Reitzel, D.B. 2012, Nature, 482, 192:
    `A tidally distorted dwarf galaxy near NGC 4449'
  11. Kunder, A., Koch, A., Rich, R.M., et 13 alii 2012, AJ, 143, 57 :
    `The Bulge Radial Velocity Assay (BRAVA): II. Complete sample and data release'
  12. Lépine, S., Koch, A., Rich, R.M., & Kuijken, K. 2011, ApJ, 741, 100:
    `A first measurement of the proper motion of the Leo II dwarf spheroidal galaxy'
  13. Koch, A., & Caffau, E. 2011, A&A, 534, 52:
    `Sulphur in the metal poor globular cluster NGC 6397'
  14. Koch, A., Lind, K., & Rich, R.M. 2011, ApJL, 738, L29:
    `Discovery of a super-Li rich turn-off star in the metal poor globular cluster NGC 6397'
  15. Koch, A., & McWilliam, A. 2011, AJ, 142, 63:
    `A differential chemical element analysis of the metal poor globular cluster NGC 6397'
  16. Lianou, S., Grebel, E.K., & Koch, A. 2011, A&A, 531, 152:
    `Spectroscopic versus photometric metallicities: Dwarf spheroidal galaxies as a test case'
  17. De Propris, R., Rich, R.M., Kunder, A., Johnson, C.I., Koch, A., et 6 alii 2011, ApJL, 732, L36:
    `Separating the conjoined red clump in the Galactic Bulge: Kinematics and Abundances'
  18. Collins, M.L.M., Chapman, S.C., Ibata, R.A., Irwin, M.J., Rich, R.M., Ferguson, A.M.N., Lewis, G.F., Tanvir, N., & Koch, A. 2011, MNRAS, 413, 1548:
    `The kinematic identification of a thick disk in M31'
  19. Adén, D., Eriksson, K., Feltzing, S., Grebel, E.K., Koch, A., & Wilkinson, M.I. 2011, A&A, 525, 153:
    `A spectroscopic study of red-giant-branch stars in the Hercules dwarf spheroidal galaxy'
  20. Lianou, S., Grebel, E.K., & Koch, A. 2010, A&A, 521, A43 :
    `Dwarf galaxies in the M81 group - metallicity distributions and population gradients'
  21. Koch, A., & Côté, P. 2010, A&A, 517, A59:
    `Chemical abundances for the outer halo cluster Pal 4 from co-added high-resolution spectroscopy'
  22. Glatt, K., Grebel, E.K., & Koch, A. 2010, A&A, 517, A50:
    `Ages and luminosities of young SMC/LMC star clusters'
  23. Crnojevic, D., Grebel, E.K., & Koch, A. 2010, A&A, 516, A85 :
    `A close look at the Centaurus A group of galaxies: I. Metallicity distribution functions and population gradients in early type dwarfs'
  24. Koch, A., & McWilliam, A. 2010, AJ, 139, 2289:
    `A differential chemical abundance scale for the globular cluster M5'
  25. Koch, A., & Rich, R.M. 2010, AJ, 139, 2279:
    `A statistical analysis of the late type stellar content in the Andromeda halo'
  26. Ural, U., Wilkinson, M.I., Koch, A., et 7 alii 2010, MNRAS, 402, 1357:
    `Kinematic sub-populations in dwarf spheroidals'
  27. Adén, D., Wilkinson, M.I., Read, J.I., Feltzing, S., Koch, A., Gilmore, G.F., Grebel, E.K., & Lundström, I. 2009, ApJL, 706, L150:
    `A new low mass for the dwarf spheroidal galaxy in Hercules: the end of a common mass scale for the dwarfs?'
  28. Adén, D., Feltzing, S., Koch, A., et 8 alii 2009, A&A, 506, 1147:
    `A photometric and spectroscopic study of the new dwarf spheroidal galaxy in Hercules --- Metallicity, velocities and a clean list of RGB members'
  29. Koch, A., Côté, P., & McWilliam, A. 2009, A&A, 506, 729:
    `All quiet in the outer halo: chemical abundances in the globular cluster Pal 3'
  30. Glatt, K., Grebel, E.K., Gallagher, J.S., Nota, A., Sabbi, E., Sirianni, M., Clementini, G., Da Costa, G.S., Tosi, M., Harbeck, D., Koch, A., & Kayser, A., 2009, AJ, 138, 1403
    `Structural parameters of seven SMC intermediate-age and old star clusters'
  31. Howard, C.D., Rich, R.M., Clarkson, W., Mallery, R., Kormendy, J., De Propris, R., Robin, A.C., Fux, R., Reitzel, D.B., Zhao, H.S., Kuijken, K., & Koch, A. 2009, ApJL, 702, 153:
    `Kinematics at the edge of the Galactic bulge: Evidence of cylindrical rotation'
  32. Donato, F., Gentile, G., Salucci, P., Frigerio Martins, C., Wilkinson, M.I., Gilmore, G., Grebel, E.K., Koch, A., & Wyse, R.F.G 2009, MNRAS, 397, 1169:
    `A constant dark matter halo surface density in galaxies'
  33. Koch, A. 2009, AN, 330, 675:
    `Complexity in small-scale dwarf scale dwarf spheroidals (Ludwig Biermann Award lecture)'
  34. Quinn, D.P., Wilkinson, M.I., Irwin, M.J., Marshall, J., Koch, A., & Belokurov, V. 2009, MNRAS, 396, L11:
    `On the reported death of the Macho era'
  35. Koch, A., Wilkinson, M.I., Kleyna, J.T., Irwin, M., Zucker, D.B., Belokurov, V., Gilmore, G.F., Fellhauer, M., & Evans, N.W. 2009, ApJ, 690, 453,
    `A spectroscopic confirmation of the Boötes II dwarf Spheroidal'
  36. Koch, A., Rich, R.M., Reitzel, D.B, Martin, N., Ibata, R., Chapman, S., Majewski, S.R., Mori, M., Loh, Y.-S., Ostheimer, J., & Tanaka, M. 2008, ApJ, 689, 958,
    `Kinematic and chemical constraints on the formation of M31's inner spheroid'
  37. Howard, C.D. Rich, R.M., Koch, A., Reitzel, D.B., Zhao, H.S., & De Propris, R. 2008, ApJ, 688, 1060:
    `The Bulge Radial Velocity Assay (BRAVA): I. Sample selection and a rotation curve'
  38. Koch, A., McWilliam, A., Grebel, E.K., Zucker, D.B., & Belokurov, V. 2008, ApJL, 688, L13
    `The highly unusual chemical composition of the Hercules dwarf spheroidal galaxy'
  39. Chapman, S.C., Ibata, R., Irwin, M., Koch, A., et 11 alii, 2008, MNRAS, 390, 1437
    `The kinematic footprints of five new giant streams in Andromeda's halo'
  40. Brown, T.M., Beaton, R., Chiba, M., Ferguson, H.C., Gilbert, K.M., Guhathakurta, P., Iye, M., Kalirai, J., Koch, A., et 8 alii 2008, ApJL, 685, 121,
    `The extended star formation history of the Andromeda spheroid at thirty five kiloparsecs on the minor axis'
  41. Glatt, K., Grebel, E.K., Sabbi, E., Gallagher, J.S., Nota, A., Sirianni, M., Clementini, G., Tosi, M., Harbeck, D., Koch, A., Kayser, A., & Da Costa, G.S. 2008, AJ, 136, 1703
    `Age determinations of six intermediate-age SMC star clusters with HST/ACS'
  42. Koch, A., Grebel, E.K., Gilmore, G.F., Wyse, R.F.G., Kleyna, J.T., Harbeck, D.R., Wilkinson, M.I., & Evans, N.W. 2008, AJ, 135, 1580,
    `Complexity on small scales III: Iron and alpha-element abundances in the Carina dwarf spheroidal galaxy'
  43. Koch, A., & McWilliam, A. 2008, AJ, 135, 1551,
    `A new abundance scale for the globular cluster 47 Tuc'
  44. Glatt, K., Gallagher, J.S., Grebel, E.K., Nota, A., Sabbi, E., Sirianni, M., Clementini, G., Tosi, M., Harbeck, D.R., & Koch, A., 2008, AJ, 135, 1106,
    `An accurate age determination for the SMC star cluster NGC121 with HST/ACS'
  45. Coleman, M.G., Jordi, K., Rix, H.-W., Grebel, E.K., & Koch, A. 2007, AJ, 134, 1938,
    `A wide-field view of Leo II - A structural analysis using the SDSS'
  46. Koch, A., Kleyna, J.T., Wilkinson, M.I., Grebel, E.K., Gilmore, G.F., Evans, N.W., Wyse, R.F.G., & Harbeck, D.R. 2007, AJ, 134, 566,
    `Stellar kinematics in the Leo II dwarf spheroidal galaxy - Another brick in the wall'
  47. Gilmore, G., Wilkinson, M.I., Wyse, R.F.G., Kleyna, J.T., Koch, A., Evans, N.W., & Grebel, E.K. 2007, ApJ, 663, 948,
    `The observed properties of dark matter on small spatial scales'
  48. Koch, A., Wilkinson, M.I., Kleyna, J.T., Gilmore, G.F., Grebel, E.K., Mackey, D.A., Evans, N.W., & Wyse, R.F.G. 2007, ApJ, 657, 241
    `Stellar kinematics and metallicities in the Leo I dwarf spheroidal galaxy - wide field implications for galactic evolution'
  49. Koch, A., Grebel, E.K., Kleyna, J.T., Wilkinson, M.I., Harbeck, D.R., Gilmore, G.F., Wyse, R.F.G., & Evans, N.W. 2007, AJ, 133, 270
    `Complexity on small scales II: Metallicities and ages in the Leo II dwarf spheroidal galaxy',
  50. Koch, A. & Grebel, E.K. 2006, AJ, 131, 1405
    `The anisotropic distribution of M31 satellite galaxies: A polar great plane of early-type companions',
  51. Wyse, R.F.G., Gilmore, G.F., Norris, J.E., Wilkinson, M.I., Kleyna, J.T., Koch, A., Evans, N.W., & Grebel, E.K. 2006, ApJ, 639, L13
    `Further evidence for a merger origin for the Thick disk: Galactic stars along line-of-sight to dwarf spheroidal galaxies',
  52. Koch, A., Grebel, E.K., Wyse., R.F.G., Kleyna, J.T., Wilkinson, M.I., Harbeck, D., Gilmore, G.F., & Evans, N.W., 2006, AJ, 131, 895
    `Complexity on small scales: The metallicity distribution of the Carina dwarf spheroidal galaxy',
  53. Harbeck, D., Gallagher, J.S., Grebel, E.K., Koch, A., & Zucker, D.B. 2005, ApJ, 623, 159
    `Andromeda IX: Properties of the faintest M 31 dwarf satellite galaxy',
  54. Koch, A., Grebel, E.K., Odenkirchen, M., Martínez-Delgado, D., & Caldwell, J.A.R. 2004, AJ, 128, 2274
    `Mass segregation in the globular cluster Palomar 5 and its tidal tails',
  55. Koch, A., Odenkirchen, M., Grebel, E.K., & Caldwell, J.A.R. 2004, AN, 325, 299
    `A calibration map for Wide Field Imager photometry'
  56. Koch, A., & Edvardsson, B. 2002, A&A, 381, 500
    `Europium abundances in F and G disk dwarfs',

Non-refereed articles & conference contributions

  1. Koch, A., Frank, M., Feltzing, S., Adén, D., Kacharov, N., & Wilkinson, M.I. 2013, MSAIS, in press (arXiv:1301.1339):
    `An intermediate-band photometric study of the ``Globular Cluster'' NGC 2419'
  2. Kacharov, N., & Koch, A. 2013, MSAIS, in press:
    `An abundance study of the outer halo globular cluster M 75'
  3. Black, C.S., Koch, A., Rich, R.M., Longstaff, F.A., Collins, M.L.M., Lisker, T., & Janz, J. 2013, BAAS, 221, 436.01
    `A new, smaller size for the low-surface brightness Virgo Cluster galaxy VCC 1661'
  4. Hyde, E.A., Zucker, D.B., Keller, S., Siebert, A., Ibata, R., Penarrubia, J., Martell, S.L., Lewis, G., Irwin, M., & Koch, A. 2013, BAAS, 221, 425.03:
    `Selecting Sagittarius: A study of Sagittarius dwarf members throughout the Milky Way Galactic halo'
  5. Schaul, D., Rich, R.M., Black, C.S., Reitzel, D.B., Collins, M.L.M., Koch, A., Longstaff, F.A., & Benson, A. 2013, BAAS, 221, 146.01:
    `The local Universe at 30 mag/sq. arcsec : Extended stellar halos around near-by galaxies'
  6. de Jong, R., ..., Koch, A., et 79 alii 2012, SPIE, 8446:
    `4MOST -- 4-metre Multi-Object Spectroscopic Telescope'
  7. Koch, A., Matteucci, F., & Feltzing, S. 2012, in `First Stars IV -- from Hayashi to the future', M. Umemura & K. Omukai (eds.), ASP Conf. Proc. 1480, 190:
    `Small-scale hero: massive star enrichment in the Hercules dwarf spheroidal'
  8. Kacharov, N., & Koch, A. 2012, in `First Stars IV -- from Hayashi to the future', M. Umemura & K. Omukai (eds.), ASP Conf. Proc. 1480, 385:
    `Precise abundance analysis of the outer halo globular cluster M75'
  9. Hyde, E., Zucker, D.B., Irwin, M., Penarrubia, J., & Koch, A. 2012, in `The 3rd Subaru International Conference -- Galactic archaeology', ASP Conf. Ser., 458, 325:
    `Hermes and the Sagittarius dwarf: a low metallicity goldmine?'
  10. Crnojevic, D., Grebel, E.K., Ferguson, A.M.N., Cole, A.A., Koch, A., et 4 alii 2012, in `The 3rd Subaru International Conference -- Galactic archaeology', ASP Conf. Ser., 458, 321:
    `How unique is the Local Group? A comparison to the nearby Centaurus A group'
  11. Koch, A., Lind, K., Thompson, I.B., & Rich, R.M. 2012, in `Lithium in the Cosmos', MSAIS, 22, 79:
    `A super-Li rich turnoff star in NGC 6397 - The puzzle persists'
  12. Koch, A. 2012, ANS:
    `Hunting chemical oddballs in Galactic halo structures'
  13. Koch, A., Kunder, A., Rich, R.M., et 9 alii 2012, ANS
    `The Complete Sample and Data Release of The Bulge Radial Velocity Assay (BRAVA)'
  14. Rich, R.M., Kunder, A.M., der Propris, R., Koch, A., et 11 alii 2012, BAAS, 219, 252.02:
    `The Bulge Radial Velocity Assay (BRAVA): Final Results, A New High Velocity Star, and Public Data Release'
  15. Johnson, C.,I., Rich, R.M., Kunder, A.M., de Propris, R., Kobayashi, C., & Koch, A. 2012, BAAS, 219, 152.11:
    `The Chemical Composition of RGB Stars in Off-Axis Bulge Field'
  16. de Jong, R., Chiappini, C., Schnurr, O., & The 4MOST Consortium 2012, in `Assembling the puzzle of the Milky Way', C.Reylé, A.Robin and M.Schultheis (eds.), EPJ Web of Conferences, 19, 09004:
    `4MOST -- 4-meter Multi-Object Spectroscopic Telescope'
  17. Koch, A., Lépine, S., & Çalιşkan, Ş. 2012, in `Assembling the puzzle of the Milky Way', C.Reylé, A.Robin and M.Schultheis (eds.), EPJ Web of Conferences, 19, 03002:
    `The puzzling assembly of the Milky Way halo -- contributions from dwarf Spheroidals and globular clusters'
  18. Kunder, A.M., de Propris, R., Rich, R.M., Koch, A., et 12 alii, BAAS, 43, 241.12:
    `The Bulge Radial Velocity Assay: New Observations and Results'
  19. Hyde, E., Zucker, D.B., Penarrubia, J., Irwin, M., Lane, R., Lewis, G.F., Gilmore, G., & Koch, A., BAAS, 43, 152.28:
    `Was the Progenitor of the Sagittarius Stream a Disc Galaxy? Recent Results & Observations'
  20. Lianou, S., Grebel, E.K., & Koch, A. 2010, in `A Universe of dwarf galaxies -- Observations, theories, simulations', M. Koleva, Ph. Prugniel and I. Vauglin (eds), EAS Publ. Ser., 48, 91:
    `M81 group dSphs: metallicity distribution functions and gradients'
  21. Crnojevic, D., Grebel, E.K., Cole, A.A., Koch, A., Rejkuba, M., Da Costa, G., & Jerjen, H. 2010, in `A Universe of dwarf galaxies -- Observations, theories, simulations', M. Koleva, Ph. Prugniel and I. Vauglin (eds), EAS Publ. Ser., 48, 51:
    `Dwarf galaxies beyond our doorstep: the Centaurus A group'
  22. Lianou, S., Grebel, E.K., & Koch, A. 2010, in `Advances in Hellenic Astronomy during the IYA09', K. Tsingaros, D. Hatzidimitriou, and T. Matsakos (eds.), ASP Conf. Ser., 424, 242:
    `Dwarf spheroidals in the M81 galaxy group'
  23. Rich, R.M., Shen, J., Howard, C.d., de Propris, R., Koch, A., & Reitzel, D.B. 2010, BAAS, 215, 321.06:
    `Striking Agreement Between Galactic Bulge Kinematics from the BRAVA Survey, and an N-body Bar'
  24. Koch, A., Adén, D., Grebel, E.K., & Feltzing, S. 2010, in `Chemical abundances in the Universe: Connecting first stars to planets', K. Cunha, M. Spite, B. Barbuy (eds.), IAUS 265:
    `Complexity in small-scale dwarf spheroidal galaxies'
  25. Quinn, D.P., Wilkinson, M.I., Irwin, M.J., Marshall, J., Koch, A., & Belokurov, V. 2010, in `Binaries -- keys to comprehension of the Universe', A. Prsa, M. Zejda (eds.), ASP Conf. Ser., 435, 453:
    `Dark Matter Constraints from Wide Halo Binary Stars'
  26. Lianou, S., Grebel, E.K., & Koch, A. 2010, in `Stellar populations: Planning for the next decade', G.R. Bruzual, S. Charlot (eds.), IAUS 262, 115:
    `Early-type dwarf galaxies in the M81 group'
  27. Crnojevic, D., Grebel, E.K., & Koch, A. 2009, AN, 330, 1001:
    `Evolution of dwarf galaxies in the Centaurus A group'
  28. Lianou, S., Grebel, E.K., & Koch, A. 2009, AN, 330, 995:
    `Dwarf spheroidal galaxies in the M81 group of galaxies'
  29. Koch, A. 2009, Rev. Mod. Ast., 21, 9
    `Complexity in small-scale dwarf spheroidals' (Ludwig Biermann award lecture)
  30. Glatt, K., Grebel, E.K., & Koch, A. 2009, in FONDAP-ESO conference, `Globular Clusters -- Guides to Galaxies', T. Richtler, S. Larsen (eds.), ESO/Springer Verlag, 157:
    `Star clusters in the Small Magellanic Cloud',
  31. Kayser, A., Grebel, E.K., Koch, A., Cole, A., Harbeck, D.R., Gallagher, J.S., & Da Costa, G.S. 2009, in FONDAP-ESO conference, `Globular Clusters -- Guides to Galaxies', T. Richtler, S. Larsen (eds.), ESO/Springer Verlag, 119 (astro-ph/0607047):
    `The Age-Metallicity relation of the Small Magellanic Cloud'
  32. Gilmore, G., Zucker, D., Wilkinson, M., Wyse, R.F.G., Belokurov, V., Kleyna, J., Koch, A., Evans, N.W., & Grebel, E.K. 2008, in `Panoramic views of galaxy formation and evolution', T. Kodama, T. Yamada, and K. Aoki (eds.), ASP Conf. Ser., 399, 453 (astro-ph/0804.1919):
    `What is a galaxy? How cold is Cold Dark Matter? Recent progress in near field cosmology'
  33. Reitzel, D.B., Koch, A., Rich, R.M., et 8 alii, 2007, BAAS, 39, 897:
    Kinematic and chemical constraints on the formation of M31's inner halo structures
  34. Koch, A., McWilliam, A., & Wilkinson, M.I. 2007, BAAS, 39, 896:
    `The first chemical abundance study of the Hercules dwarf spheroidal galaxy'
  35. Glatt, K., Glatt, K., Gallagher, J.S., Grebel, E.K., Nota, A., Sabbi, E., Sirianni, M., Clementini, G., Tosi, M., Harbeck, D.R., & Koch, A. 2007, BAAS, 39, 836:
    `An accurate age determination for the SMC star cluster NGC121 with HST/ACS'
  36. Koch, A., Rich, R.M., Reitzel, D.B., et 8 alii, 2007, AN, 328, 653 :
    `Kinematic and chemical constraints on the formation of M31's inner halo structures'
  37. Koch, A., McWilliam, A., Grebel, E.K., Wyse, R.F.G., Gilmore, G.F. et 7 alii 2007, AN, 328, 652:
    `Chemical abundances in the Carina dwarf spheroidal galaxy'
  38. Koch, A., Rich, R.M., Reitzel, D.B., et 7 alii 2007, in `The Milky Way halo -- Stars and gas', K.S. de Boer, P.Kroupa (eds.):
    `Kinematic and chemical constraints on the formation of M31's inner halo structures'
  39. Howard, C.D., Reitzel, D.B., Rich, R.M., Koch, A., & Zhao, H.S. 2007, in `The Milky Way halo -- Stars and gas', K.S. de Boer, P.Kroupa (eds.):
    `The Bulge Radial Velocity Assay [BRAVA]: Techniques and Results'
  40. Koch, A., McWilliam, A., Grebel, E.K., Wyse, R.F.G., Gilmore, G.F. et 7 alii 2007, in `The Milky Way halo -- Stars and gas', K.S. de Boer, P.Kroupa (eds.):
    `Chemical abundances in the Carina dwarf spheroidal galaxy'
  41. Koch, A., Wilkinson, M.I., Kleyna, J.T., Gilmore, G.F., Grebel, E.K., Evans, N.W., & Wyse, R.F.G. 2007, in `The Milky Way halo -- Stars and gas', K.S. de Boer, P.Kroupa (eds.):
    `Stellar kinematics in the remote Leo I and II dwarf spheroidals'
  42. Kayser, A. Grebel, E.K., Harbeck, D.R., Cole, A.A., Koch, A., Glatt, K., Gallagher, J.S., & Da Costa, G.S 2007, in `Stellar Populations as building blocks of galaxies', R.F.Peletier, A.Vazdekis (eds.), IAUS 241, 351:
    `A spectroscopy-based Age-Metallicity Relation of the SMC'
  43. Reitzel, D.B., Howard, C.D., Rich, R.M., Koch, A., & Zhao, H.S. 2007, BAAS, 38, 1149
    `The line of sight velocity distribution of the Galactic bulge'
  44. Rich, R.M., Brown, T.M., Reitzel, D.B., Ferguson, H., Koch, A., et 11 alii 2007, BAAS, 38, 1155
    `Keck/Deimos Spectroscopy of Distant M31 fields with Deep HST Imaging'
  45. Gilmore, G., Wilkinson, M., Kleyna, J., Koch, A., Evans, W., Wyse, R.F.G., & Grebel, E.K. 2006, in 7th UCLA Symposium, Sources and Detection of Dark Matter and Dark Energy in the Universe, eds. NN, in press (astro-ph/0608528)
    `Observed Properties of Dark Matter: dynamical studies of dSph galaxies',
  46. Wilkinson, M.I, Kleyna, J.T, Gilmore, G.F., Evans, N.W., Koch, A., Grebel, E.K., Wyse, R.F.G., & Harbeck, D.R. 2006, The Messenger, 124, 25
    `Probing the dark matter content of Local Group dwarf spheroidal galaxies with FLAMES',
  47. Koch, A., Grebel, E.K., Wyse., R.F.G., Kleyna, J.T., Wilkinson, M.I., Harbeck, D., Gilmore, G.F., & Evans, N.W. 2006, The Messenger, 123, 38
    `The age-metallicity degeneracy in the dwarf spheroidal Carina as seen by FLAMES'
  48. Koch, A., Wilkinson, M.I., Kleyna, J.T., Gilmore, G.F., Evans, N.W., & Grebel, E.K. 2005, BAAS, 37, 1345
    `Stellar kinematics in the Leo I dwarf spheroidal galaxy -- wide field implications for galactic mass profiles',
  49. Grebel, E.K., Koch, A., & Sambhus, N. 2005, BAAS, 37, 1346
    `Satellite Anisotropies: A Polar Great Plane of M 31 Early-Type Companions'
  50. Wyse, R.F.G., Gilmore, G.F., Norris, J.E., Wilkinson, M.I., Kleyna, J.T., Koch, A., Evans, N.W., & Grebel, E.K. 2005, BAAS, 37, 1368
    `Further evidence for a merger origin for the Thick disk: Galactic stars along line-of-sight to dwarf spheroidal galaxies'
  51. Wilkinson, M.I., Kleyna, J.T., Evans, N.W., Gilmore, G.F., Read, J.I., Koch, A., Grebel, E.K., & Irwin, M. 2005,
    in `Mass Profiles and Shapes of Cosmological Structures', G. Mamon, F. Combes, C. Deffayet, B. Fort (eds.), EAS Publication Series, 20, 105
    `The internal kinematics of dwarf spheroidal galaxies'
  52. Glatt, K., Grebel, E.K., & Koch, A. 2005, AN, 326, 651
    `Star clusters in the Large Magellanic Cloud'
  53. Koch, A., Wilkinson, M.I., Grebel, E.K., Harbeck, D., Kleyna, J.T., Wyse, R., Gilmore, G.F., & Evans, N.W. 2005, IAUC, 198, 134
    `The chemical evolution of subpopulations in the Carina dwarf spheroidal'
  54. Wilkinson, M.I., Kleyna, J.T., Evans, N.W., Gilmore, G.F., Grebel, E.K., Koch, A., Read, J., Wyse, R., & Young, R. 2005, IAUC, 198, 240
    Substructure in Dwarf Spheroidals - a Star Cluster Connection?'
  55. Harbeck, D., Gallagher, J.S., Grebel, E.K., Koch, A., & Zucker, D.B. 2004, AAS, 205, 9301
    `WIYN observations of And IX: A metal poor, low-mass dSph Galaxy'
  56. Koch, A., Grebel, E.K., Harbeck, D., Wilkinson, M.I., Kleyna, J.T., Gilmore, G.F., Wyse, R.F.G., &, Evans, N.W. 2004,
    ESO-Arcetri-workshop on "Chemical Abundances and Mixing in Stars", eds. L. Pasquini & S. Randich (Springer Verlag), 249 (astro-ph/0410435)
    `Chemical Evolution in the Carina dSph'
  57. Koch, A., Grebel, E.K., Harbeck, D., Wilkinson, M.I., Kleyna, J.T., Gilmore, G.F., Wyse, R.F.G., &, Evans, N.W. 2004, ANS, 325, 44
    `The Metallicity and Age Distribution of the Carina Dwarf Spheroidal Galaxy'
  58. Koch, A., & Grebel, E.K. 2004, STScI May 2004 Symposium, M. Livio (ed.), Cambridge University Press (astro-ph/0407212)
    `R-process and α-elements in the Galactic disk: Kinematic correlations'
  59. Koch, A., Odenkirchen, M., Grebel, E.K., & Caldwell, J.A.R. 2004, The Eso Messenger, 115, 37
    `Calibrating spatial gradients: The case of Wide Field Imager Photometry'
  60. Koch, A., Odenkirchen, M., Grebel, E.K., Martínez-Delgado, D., & Caldwell, J.A.R. 2004, A.S.P. Conf Ser., 327, 333 , F.Prada, D.Martínez-Delgado & T.J. Mahoney eds.,
    `The luminosity function of Palomar 5 and its tidal tails'
  61. Koch, A., Odenkirchen, M., Caldwell, J.A.R., & Grebel, E.K. 2003, ANS, 324, 144
    `A retrospective of r-process and α-element abundances in the Galactic disk - correlations with rotational velocity'
  62. Koch, A., Odenkirchen, M., Caldwell, J.A.R., & Grebel, E.K. 2003, ANS, 324, 144
    `Mass segregation in the low-concentration globular cluster Palomar 5'
  63. Koch, A., Odenkirchen, M., Caldwell, J.A.R., & Grebel, E.K. 2002, ANS, 324, 95
    `A calibration map for the Wide Field Imager'
  64. Koch, A., Odenkirchen, M., Caldwell, J.A.R., & Grebel, E.K. 2002, ANS, 324, 79
    `The mass function of the globular cluster Palomar 5 and its tidal tails'

Theses

  1. Koch, A. 2007, Dissertation Summary, PASP, 119, 37
    'Chemical and Kinematical Evolution in nearby Dwarf Spheroidal Galaxies'
  2. Koch, A. 2006, Ph.D. thesis, University of Basel,
    'Chemical and Kinematical Evolution in nearby Dwarf Spheroidal Galaxies'
  3. Koch, A. 2003, Diploma thesis, University of Heidelberg (gzipped-postscript)
    'The luminosity function of the globular cluster Palomar 5 and its tidal tails',

Press releases

Popular (mostly in German)

  • 'In Sternen geboren', Physik Journal, Feb. 2011, S.27
  • 'Eine dünne Scheibe aus Satellitengalaxien um M 31', Sterne und Weltraum, Apr. 2006, S.20
  • 'In Schnee und Wüste', UNI NOVA, Wissenschaftsmagazin der Universität Basel, Jul. 2005, 100, S. 13
  • 'Die Massenverteilung in einem zerrissenen Kugelsternhaufen', Sterne und Weltraum , Mar. 2005, S.19
  • 'F. Melia: The black hole at the center of our galaxy', (Book review), Sterne und Weltraum, Aug. 2004, S.89





back to main page...
to top of page