Publications of Rainer Köhler

Refereed Papers

Sahlmann, J.; Henning, T.; Queloz, D.; Quirrenbach, A.; Elias, N. M.; Launhardt, R.; Pepe, F.; Reffert, S.; Ségransan, D.; Setiawan, J.; Abuter, R.; Andolfato, L.; Bizenberger, P.; Baumeister, H.; Chazelas, B.; Delplancke, F.; Dérie, F.; Di Lieto, N.; Duc, T. P.; Fleury, M.; Graser, U.; Kaminski, A.; Köhler, R.; Lévêque, S.; Maire, C.; Mégevand, D.; Mérand, A.; Michellod, Y.; Moresmau, J.-M.; Mohler, M.; Müller, A.; Müllhaupt, P.; Naranjo, V.; Sache, L.; Salvade, Y.; Schmid, C.; Schuhler, N.; Schulze-Hartung, T.; Sosnowska, D.; Tubbs, B.; van Belle, G. T.; Wagner, K.; Weber, L.; Zago, L.; Zimmerman, N.: The ESPRI project: astrometric exoplanet search with PRIMA. I. Instrument description and performance of first light observations
Astronomy and Astrophysics 551, A52 (March 2013)
C. Bergfors, W. Brandner, S. Daemgen, B. Biller, S. Hippler, M. Janson, N. Kudryavtseva, K. Geißler, T. Henning and R. Köhler: Stellar companions to exoplanet host stars: Lucky Imaging of transiting planet hosts. Monthly Notices of the Royal Astronomical Society 428, 182-189 (2013)

R. Zhao-Geisler, A. Quirrenbach, R. Köhler, B. Lopez: Dust and molecular shells in asymptotic giant branch stars. Astronomy & Astrophysics 545, A56 (2012)
Sahlmann, J.; Ségransan, D.; Mérand, A.; Zimmerman, N.; Abuter, R.; Chazelas, B.; Delplancke, F.; Henning, T.; Kaminski, A.; Köhler, R.; Launhardt, R.; Mohler, M.; Pepe, F.; Queloz, D.; Quirrenbach, A.; Reffert, S.; Schmid, C.; Schuhler, N.; Schulze-Hartung, T.: Narrow-angle astrometry with PRIMA. In: Optical and Infrared Interferometry III. Proceedings of the SPIE, Volume 8445, id. 84450S-84450S-11 (2012).
R. Köhler, T. Ratzka, Ch. Leinert: Orbits and masses in the multiple system LHS 1070.
Astronomy and Astrophysics 541, A29 (May 2012) (astro-ph 1203.6270)

R. Köhler: The Orbit of GG Tau A. Astronomy and Astrophysics 530, A126 (2011) (astro-ph 1104.2245)
R. Zhao-Geisler, A. Quirrenbach, R. Köhler, B. Lopez, Ch. Leinert: The mid-infrared diameter of W Hydrae.
Astronomy and Astrophysics 530, A120 (2011) (astro-ph 1105.0082)
C. Bergfors, W. Brandner, M. Janson, R. Köhler, T. Henning: VLT/NACO astrometry of the HR8799 planetary system.
Astronomy and Astrophysics 528, A134 (2011) (astro-ph 1102.5330)

M.B. Stumpf, W. Brandner, V. Joergens, Th. Henning, H. Bouy, R. Köhler, M. Kasper: The search for planetary mass companions to field brown dwarfs with HST/NICMOS. Astrophysical Journal 724, p. 1 - 11 (2010) (astro-ph 1009.1872)
C. Bergfors, W. Brandner, M. Janson, S. Daemgen, K. Geissler, T. Henning, S. Hippler, F. Hormuth, V. Joergens, R. Köhler: Lucky Imaging survey for southern M dwarf binaries. Astronomy and Astrophysics 520, A54 (2010) (astro-ph 1006.2377)
Roy van Boekel, Attila Juhasz, Thomas Henning, Rainer Köhler, Thorsten Ratzka, Tom Herbst, Jeroen Bouwman, Willy Kley: Variable accretion as a mechanism for brightness variations in T Tau S. Astronomy and Astrophysics 517, A16 (2010) (astro-ph 1004.3502)

Th. Ratzka, A. Schegerer, Ch. Leinert, P. Abraham, T. Henning, T.M. Herbst, R. Köhler, S. Wolf, and H. Zinnecker: Spatially resolved mid-infrared observations of the Triple System T Tauri. Astronomy and Astrophysics 502, 623 (2009) (astro-ph 0907.0464)
R. Neuhäuser, S. Kraemer, M. Mugrauer, R. Köhler, T. Schmidt, M. Ammler, J. Alves, S. Fiedler, N. Vogt: Edge-on disk around the T Tauri star [MR81] H alpha 17 NE in CrA. Astronomy and Astrophysics 496, 777 (2009)
H. Bouy, N. Huelamo, E. L. Martin, F. Marchis, D. Barrado y Navascues, J. Kolb, E. Marchetti, M. G. Petr-Gotzens, M. Sterzik, V. D. Ivanov, R. Köhler, and D. Nürnberger: A deep look into the cores of young clusters. I. sigma-Orionis. Astronomy and Astrophysics 493, 931 (2009) (astro-ph 0808.3890)

Rainer Köhler: High Spatial Resolution Observations of the T Tau System - I. Astrometry in the Near-Infrared. Journal of Physics: Conf. Ser. 131 012028 (2008). Open-access, [PDF, 855KB]
M.G. Petr-Gotzens, M.F. Sterzik, R. Köhler, J. Kolb, E. Marchetti, V. Ivanov, D. Nürnberger, H. Bouy, N. Huélamo, E.L. Martín, and D. Barrado y Navascués: Multi-conjugate adaptive optics observations of the Orion Trapezium Cluster. Journal of Physics: Conf. Ser. 131 012026 (2008). Open-access
Rainer Köhler, Ralph Neuhäuser, Stephan Krämer, Christoph Leinert, Thomas Ott, and Andreas Eckart: Multiplicity of young stars in and around R Corona Australis. Astronomy and Astrophysics 488, 997-1006 (2008) [PDF, 256KB] [gzipped PS, 540KB]
Rainer Köhler, Thorsten Ratzka, T. M. Herbst, and Markus Kasper: Orbits and Masses in the T Tauri System. Astronomy and Astrophysics 482, 929 (2008) [PDF, 1.2MB] [gzipped PS, 768KB]

Rainer Köhler, Monika G. Petr-Gotzens, Mark J. McCaughrean, Jerome Bouvier, Gaspard Duchêne, Andreas Quirrenbach, and Hans Zinnecker: Binary Stars in the Orion Nebula Cluster. Astronomy and Astrophysics 458, 461 (2006) [gzipped PS, 373KB] [PDF, 719KB]

Thorsten Ratzka, Rainer Köhler, and Christoph Leinert: A multiplicity survey of the Rho Ophiuchi molecular clouds. Astronomy and Astrophysics 437, 611 (2005) [ADS entry]
Olivier Chesneau, M. Min, T. Herbst, L.B.F.M. Waters, D.J. Hillier, Ch. Leinert, A. de Koter, I. Pascucci, W. Jaffe, Rainer Köhler, C. Alvarez, R. van Boekel, W. Brandner, U. Graser, A.M. Lagrange, R. Lenzen, S. Morel, M. Schöller: The sub-arcsecond dusty environment of Eta Carinae. Astronomy and Astrophysics 435, 1043 (2005) [ADS entry]
Olivier Chesneau, T. Verhoelst, B. Lopez, L.B.F.M. Waters, Ch. Leinert, W. Jaffe, R. Köhler, A. de Koter, C. Dijkstra: The mid-IR spatially resolved environment of OH 26.5+0.6 at maximum luminosity. Astronomy and Astrophysics 435, 563 (2005) [ADS entry]
Olivier Chesneau, A. Meilland, T. Rivinius, Ph. Stee, S. Jankov, A. Domiciano de Souza, U. Graser, T. Herbst, E. Janot-Pacheco, R. Köhler, Ch. Leinert, S. Morel, F. Paresce, A. Richichi, S. Robbe-Dubois: First VLTI/MIDI observations of a Be star: Alpha Arae. Astronomy and Astrophysics 435, 275 (2005) [ADS entry]
K. Ohnaka, J. Bergeat, T. Driebe, U. Graser, K.-H. Hofmann, R. Köhler, Ch. Leinert, B. Lopez, F. Malbet, S. Morel, F. Paresce, G. Perrin, Th. Preibisch, A. Richichi, D. Schertl, M. Schöller, H. Sol, G. Weigelt, M. Wittkowski: Mid-infrared interferometry of the Mira variable RR Sco with the VLTI MIDI instrument. Astronomy and Astrophysics 429, 1057 (2005) [ADS entry]

W. Brandner, E.L. Martín, H. Bouy, R. Köhler, X. Delfosse, G. Basri, M. Andersen: Astrometric Monitoring of the binary brown dwarf DENIS-P J1228.2-1547. Astronomy and Astrophysics 428, 205 (2004) [ADS entry]
R. van Boekel, M. Min, Ch. Leinert, L. B. F. M. Waters, A. Richichi, O. Chesneau, C. Dominik, W. Jaffe, A. Dutrey, U. Graser, Th. Henning, J. de Jong, R. Köhler, A. de Koter, B. Lopez, F. Malbet, S. Morel, F. Paresce, G. Perrin, Th. Preibisch, F. Przygodda, M. Schöller, M. Wittkowski: The building blocks of planets within the `terrestrial' region of protoplanetary disks. Nature, Volume 432, Issue 7016, p. 479 (2004) [ADS entry]
Julian C. Christou, Giovanna Pugliese, Rainer Köhler, Jack D. Drummond: Photometric and Astrometric Analysis of Gemini/Hokupa'a Galactic Center Adaptive Optics Observations. PASP 116, 734 (August 2004), [gzipped PS, 1.5MB] [PDF, 389KB]
Ch. Leinert, R. van Boekel, L. B. F. M. Waters, O. Chesneau, F. Malbet, R. Köhler, W. Jaffe, Th. Ratzka, A. Dutrey, Th. Preibisch, U. Graser, E. Bakker, G. Chagnon, W. D. Cotton, C. Dominik, C. P. Dullemond, A. W. Glazenborg-Kluttig, A. Glindemann, Th. Henning, K.-H. Hofmann, J. de Jong, R. Lenzen, S. Ligori, B. Lopez, J. Meisner, S. Morel, F. Paresce, J.-W. Pel, I. Percheron, G. Perrin, F. Przygodda, A. Richichi, M. Schöller, P. Schuller, B. Stecklum, M. E. van den Ancker, O. von der Lühe, G. Weigelt: Mid-infrared sizes of circumstellar disks around Herbig Ae/Be stars measured with MIDI on the VLTI. Astronomy and Astrophysics, 423, 537 (2004) [ADS entry]
H. Bouy, G. Duchêne, R. Köhler, W. Brandner, J. Bouvier, E. L. Martín, A. Ghez, X. Delfosse, T. Forveille, F. Allard, I. Baraffe, G. Basri, L. Close, C. E. McCabe: First determination of the dynamical mass of a binary L dwarf. Astronomy and Astrophysics 423, 341 (2004), [gzipped PS, 513KB] [PDF, 437KB]
W. Jaffe, K. Meisenheimer, H. J. A. Röttgering, Ch. Leinert, A. Richichi, O. Chesneau, D. Fraix-Burnet, A. Glazenborg-Kluttig, G.-L. Granato, U. Graser, B. Heijligers, R. Köhler, F. Malbet, G. K. Miley, F. Paresce, J.-W. Pel, G. Perrin, F. Przygodda, M. Schoeller, H. Sol, L. B. F. M. Waters, G. Weigelt, J. Woillez, P. T. de Zeeuw: The central dusty torus in the active nucleus of NGC 1068. Nature, Volume 429, Issue 6987, p. 47 (2004) [ADS entry]
Chesneau, O.; Leinert, Ch.; Przygodda, F.; Glazenborg-Kluttig, A.; Graser, U.; Jaffe, W.; Köhler, R.; Lopez, B.; Morel, S.; Perrin, G.; Richichi, A.; Schöller, M.; Waters, L. B. F. M.: First Midi Science Observations on VLT. Baltic Astronomy, Vol. 13, p. 510-517 (2004)

Rainer Köhler and Monika G. Petr-Gotzens: Close Binaries in the eta Cha Cluster. Astronomical Journal 124, 2899 (11/2002). [gzipped PS, 88KB] [PDF, 287KB]

Rainer Köhler: Multiplicity of X-Ray Selected T Tauri Stars in Chamaeleon. Astronomical Journal 122, 3325 (12/2001). [gzipped PS, 250KB] [PDF, 490KB]
Jens Woitas, Christoph Leinert, and Rainer Köhler: Mass Ratios of the components in T Tauri binary systems and implications for multiple star formation. Astronomy and Astrophysics 376, 982 (2001), [gzipped PS, 390KB] [PDF, 1.4MB]
Jens Woitas, Rainer Köhler, Christoph Leinert: Orbital motion in T Tauri binary systems, Astronomy and Astrophysics 369, 249 (2001), [gzipped PS] [PDF]
Ch. Leinert, H. Jahreiß, J. Woitas, S. Zucker, T. Mazeh, A. Eckart, R. Köhler: Dynamical mass determination for the very low mass stars LHS 1070 B and C. Astronomy and Astrophysics 367, 183 (2001).

Wolfgang Brandner, Hans Zinnecker, Juan M. Alcalá, France Allard, Elvira Covino, Sabine Frink, Rainer Köhler, Michael Kunkel, Andrea Moneti, Andreas Schweitzer: Timescales of disk evolution and planet formation: HST, Adaptive Optics, and ISO observations of weak-line and post-T Tauri stars. Astronomical Journal 120, 950 (2000)
Rainer Köhler, Michael Kunkel, Christoph Leinert, Hans Zinnecker: Multiplicity of X-ray selected T Tauri Stars in the Scorpius-Centaurus OB Association, Astronomy and Astrophysics 356, 541-558 (2000), [gzipped PS] [PDF]

Andrea Richichi, Rainer Köhler, Jens Woitas, Christoph Leinert: Discovery of a close companion to the young star Haro 6-37. Astronomy and Astrophysics, 346, 501-504 (1999)
Wolfgang Brandner & Rainer Köhler: Star Formation Environments and the Distribution of Binary Separations.
Astrophysical Journal Letters 499, L79 (1998). [ApJ] [LANL Preprint Server].
R. Neuhäuser, S.J. Wolk, G. Torres, Th. Preibisch, N.M. Stout-Batalha, A.P. Hatzes, S. Frink, R. Wichmann, E. Covino, J.M. Alcalá, W. Brandner, F.M. Walter, M.F. Sterzik and R. Köhler:
Optical and X-ray monitoring, Doppler imaging, and space motion of the young star Par 1724 in Orion. Astronomy & Astrophysics, 334, 873-894 (1998)
Rainer Köhler & Christoph Leinert: Multiplicity of T Tauri Stars in Taurus after ROSAT, Astronomy & Astrophysics, 331, 977-988 (1998), [gzipped PS] [PDF]
Rainer Köhler: Doppelsternhäufigkeit unter röntgenselektierten T Tauri Sternen. PhD thesis, Universität Heidelberg 1997.
Rainer Köhler: On the fate of self-gravitating galactic accretion disks, Astronomy and Astrophysics 294, 690, 1995

Conference Papers

T. Röll, A. Seifahrt, R. Neuhäuser, R. Köhler, J. Bean: Ground based astrometric search for extrasolar planets in stellar multiple systems EAS Publications Series, Volume 45, pp.429-432 (2011)
C. V. Cardoso, M. J. McCaughrean, R. R. King, L. M. Close, R.-D. Scholz, R. Lenzen, W. Brandner, N. Lodieu, H. Zinnecker, R. Koehler, Q. M. Konopacky: Dynamical masses for the nearest brown dwarf binary: Epsilon Indi Ba,b Highlights of Astronomy, Volume 15, p. 761 (2010)
W. Brandner, M. Stumpf, R. Köhler, V. Joergens, F. Hormutha1, K. Geißler, B. Goldman, T. Henning, H. Bouy and E. Martin: Physical Properties of Binary Brown Dwarfs Highlights of Astronomy, Volume 15, p. 757 (2010)
M. B. Stumpf, W. Brandner, R. Köhler, H. Bouy, Th. Henning: High-resolution AO monitoring of Kelu-1 AB In: Proceedings of the 15th Cambridge Workshop on Cool Stars, Stellar Systems and the Sun. AIP Conference Proceedings, Volume 1094, p. 561-564 (2009)
Rainer Köhler and Walter Jaffe: MIA+EWS, the Software for MIDI Data Reduction. In: "The Power of Optical/IR Interferometry:Recent Scientific Results and 2nd Generation Instrumentation", Proceedings of the ESO Workshop held in Garching, Germany, 4-8 April 2005, eds. A. Richichi, F. Delplancke, F. Paresce, and A. Chelli, Springer Verlag series "ESO Astrophysics Symposia", p. 569 (2008)
Correia, S.; Köhler, R.; Meeus, G.; Zinnecker, H.: First Evidence for a Spatially Resolved Disk Structure around the Herbig Ae Star R CrA. In: "The Power of Optical/IR Interferometry:Recent Scientific Results and 2nd Generation Instrumentation", Proceedings of the ESO Workshop held in Garching, Germany, 4-8 April 2005, eds. A. Richichi, F. Delplancke, F. Paresce, and A. Chelli, Springer Verlag series "ESO Astrophysics Symposia", p. 175 (2008)
Ohnaka, K.; Bergeat, J.; Driebe, T.; Graser, U.; Hofmann, K.-H.; Köhler, R.; Leinert, Ch.; Lopez, B.; Malbet, F.; Morel, S.; Paresce, F.; Perrin, G.; Preibisch, Th.; Richichi, A.; Schertl, D.; Schöller, M.; Sol, H.; Weigelt, G.; Wittkowski, M.: The Circumstellar Environment of Evolved Stars as seen by VLTI/MIDI. In: "The Power of Optical/IR Interferometry:Recent Scientific Results and 2nd Generation Instrumentation", Proceedings of the ESO Workshop held in Garching, Germany, 4-8 April 2005, eds. A. Richichi, F. Delplancke, F. Paresce, and A. Chelli, Springer Verlag series "ESO Astrophysics Symposia", p. 111 (2008)
Launhardt, R.; Bakker, E. J.; Ballester, P.; Baumeister, H.; Bizenberger, P.; Bleuler, H.; Dändliker, R.; Delplancke, F.; Derie, F.; Fleury, M.; Glindemann, A.; Gillet, D.; Hanenburg, H.; Henning, Th.; Jaffe, W.; de Jong, J. A.; Köhler, R.; Maire, C.; Mathar, R. J.; Mégevand, D.; Michellod, Y.; Müllhaupt, P.; Murakawa, K.; Pepe, F.; Le Poole, R. S.; Pragt, J.; Queloz, D.; Quirrenbach, A.; Reffert, S.; Sache, L.; Salvadé, Y.; Scherler, O.; Segransan, D.; Setiawan, J.; Sosnowska, D.; Tubbs, R. N.; Venema, L.; Wagner, K.; Weber, L.; Wüthrich, R.: The PRIMA Astrometric Planet Search Project. In: "The Power of Optical/IR Interferometry:Recent Scientific Results and 2nd Generation Instrumentation", Proceedings of the ESO Workshop held in Garching, Germany, 4-8 April 2005, eds. A. Richichi, F. Delplancke, F. Paresce, and A. Chelli, Springer Verlag series "ESO Astrophysics Symposia", p. 551 (2008)
Elias, N. M.; Tubbs, R. N.; Köhler, R.; Reffert, S.; Stilz, I.; Launhardt, R.; de Jong, J.; Quirrenbach, A.; Delplancke, F.; Henning, Th.; Queloz, D.: The astrometric data reduction software (ADRS) and error budget for PRIMA. In: Exoplanets: Detection, Formation and Dynamics, Proceedings of the International Astronomical Union, IAU Symposium, Volume 249, p. 119-122 (2008)

Rainer Köhler & Thorsten Ratzka: The Orbit of T Tauri South. In: "Binary Stars as Critical Tools and Tests in Contemporary Astrophysics", proceedings of IAU Symp. No. 240, held 22-25 August, 2006 in Prague, Czech Republic, eds. W. Hartkopf, E. Guinan & P. Harmanec, p. 114 (2007)
Rainer Köhler, Monika G. Petr-Gotzens, Mark J. McCaughrean, Jerome Bouvier, Gaspard Duchêne, Andreas Quirrenbach, and Hans Zinnecker: Binary Stars in the Orion Nebula Cluster. In: "Binary Stars as Critical Tools and Tests in Contemporary Astrophysics", proceedings of IAU Symp. No. 240, held 22-25 August, 2006 in Prague, Czech Republic, eds. W. Hartkopf, E. Guinan & P. Harmanec, Abstract p. 132, full paper p. 571 (2007)
de Jong, J. A.; Delplancke, F.; Palsa, R.; Ballester, P.; Quirrenbach, A.; Elias, N.; Reffert, S.; Köhler, R.; Launhardt, R.; Tubbs, R.; Stilz, I.; Henning, T. Megevand, D.; Segransan, D.; Pepe, F.; Queloz, D.: The PRIMA Astrometric Data Reduction Software. In: Astronomical Data Analysis Software and Systems XVI ASP Conference Series, Vol. 376, proceedings of the conference held 15-18 October 2006 in Tucson, Arizona, USA. Edited by Richard A. Shaw, Frank Hill and David J. Bell., p. 289 (2007)
Stumpf, Micaela B.; Henning, T.; Brandner, W.; Bouy, H.; Köhler, R.: High Resolution Monitoring of Binary Brown Dwarfs with NGS and Laser Guide Star Adaptive Optics. American Astronomical Society, AAS Meeting #211, #103.23; Bulletin of the American Astronomical Society, Vol. 39, p. 923 (2007)
Rainer Köhler, Monika G. Petr-Gotzens, Mark McCaughrean, Jerome Bouvier, Gaspard Duchêne, and Andreas Quirrenbach: An Adaptive Optics Search for Binaries in the Orion Nebula Cluster In: "Science with Adaptive Optics", Proceedings of the ESO Workshop held at Garching, Germany, 16-19 September 2003, eds. W. Brandner and M. Kasper, Springer Verlag series "ESO Astrophysics Symposia", p. 197 (2005) [gzipped PS, 117KB] [PDF, 237KB]
Launhardt, R.; Henning, Th.; Queloz, D.; Quirrenbach, A.; Bakker, E. J.; Baumeister, H.; Bizenberger, P.; Bleuler, H.; Dändliker, R.; Delplancke, F.; Derie, F.; Fleury, M.; Glindemann, A.; Gillet, D.; Hanenburg, H.; Jaffe, W.; de Jong, J. A.; Köhler, R.; Maire, C.; Mathar, R. J.; Michellod, Y.; Müllhaupt, P.; Murakawa, K.; Pepe, F.; Le Poole, R. S.; Pragt, J.; Reffert, S.; Sache, L.; Scherler, O.; Segransan, D.; Setiawan, J.; Sosnowska, D.; Tubbs, R. N.; Venema, L.; Wagner, K.; Weber, L.; Wüthrich, R.: Towards High-Precision Ground-Based Astrometry: Differential Delay Lines for PRIMA@VLTI. In: Astrometry in the Age of the Next Generation of Large Telescopes, ASP Conference Series, Vol. 338, Proceedings of a meeting held 18-20 October 2004 at Lowell Observatory, Flagstaff, Arizona, USA. Edited by P. Kenneth Seidelmann and Alice K. B. Monet. San Francisco: Astronomical Society of the Pacific, p. 167 (2005)
Köhler, R.: Do's and Don'ts of MIDI Data-reduction. Astron. Nachr., 326, 563 (2005)
Bouy, H.; Duchêne, G.; Köhler, R.; Brandner, W.; Bouvier, J.; Martín, E.; Ghez, A.: First determination of the orbit of a binary L-dwarf. In: Proceedings of the 13th Cambridge Workshop on Cool Stars, Stellar Systems and the Sun, held 5-9 July, 2004 in Hamburg, Germany. Edited by F. Favata, G.A.J. Hussain, and B. Battrick. ESA SP-560, European Space Agency, p. 277 (2005)
Köhler, R.; Quirrenbach, A.; Petr-Gotzens, M. G.; McCaughrean, M. J.; Bouvier, J.; Duchêene, G.; Zinnecker, H.: Binaries in the Orion Nebula Cluster. In: Protostars and Planets V, Proceedings of the Conference held October 24-28, 2005, in Hilton Waikoloa Village, Hawai'i. LPI Contribution No. 1286., p. 8348 (2005)
Zinnecker, H.; Correia, S.; Meeus, G.; Lachaume, R.; Köhler, R.: The Mid-Infrared Spatially Resolved Environment Around R CrA. In: Protostars and Planets V, Proceedings of the Conference held October 24-28, 2005, in Hilton Waikoloa Village, Hawai'i. LPI Contribution No. 1286., p. 8273 (2005)
Launhardt, R.; Baumeister, H.; Bizenberger, P.; Henning, Th.; Setiawan, J.; Wagner, K.; Jaffe, W.; de Jong, J. A.; Köhler, R.; Mathar, R. J.; Le Poole, R. S.; Quirrenbach, A.; Reffert, S.; Fleury, M.; Maire, C.; Megevand, D.; Pepe, F.; Queloz, D.; Segransan, D.; Sosnowska, D.; Weber, L.; Bleuler, H.; Gillet, D.; Michellod, Y.; Müllhaupt, P.; Sache, L.; Wüthrich, R.; Dändliker, R.; Salvade, Y.; Scherler, O.; Hanenburg, H.; Murakawa, K.; Pragt, J.; Venema, L.; Ballester, P.; Delplancke, F.; Derie, F.; Glindemann, A.; Tubbs, R. N.: The PRIMA Astrometric Planet Search Project. In: Protostars and Planets V, Proceedings of the Conference held October 24-28, 2005, in Hilton Waikoloa Village, Hawai'i. LPI Contribution No. 1286., p. 8023 (2005)
Rainer Köhler: Using Speckle Interferometry to Resolve Binary Stars In: "Spectroscopically and Spatially Resolving the Components of Close Binary Stars", Proceedings of the Workshop held 20-24 October 2003 in Dubrovnik, Croatia. Eds. R. W. Hilditch, H. Hensberge, and K. Pavlovski, ASP Conference Series, Vol. 318, p. 25-33 (2004) [gzipped PS, 603KB] [PDF, 315KB]
Rainer Köhler, Stefan Hippler, Markus Feldt, Raffaele Gratton, Daniel Gisler, Remko Stuik, and João Lima: Optimizing Wavefront Sensing for eXtreme AO. In: "Advancements in Adaptive Optics, Proc. SPIE 5490 (2004). [gzipped PS, 590KB] [PDF, 306KB]
Rainer Köhler: What causes the Low Binary Frequency in the Orion Nebula Cluster? In: "The Environment and Evolution of Double and Multiple Stars", proceedings of IAU Coll. No. 191, eds. Christine Allen & Colin Scarfe, RevMexAA Conf. Ser. 21, p. 104 (2004) [gzipped PS, 1.7MB] [gzipped PDF, 1.7MB]. See also the page of RevMexAA.
Zinnecker, H.; Köhler, R.; Jahrei&ß, H.: Binary statistics among population II stars. In: "The Environment and Evolution of Double and Multiple Stars", proceedings of IAU Coll. No. 191, eds. Christine Allen & Colin Scarfe, RevMexAA Conf. Ser. 21, p. 33 (2004)
Köhler, Rainer: Multiplicity of T Tauri Stars. Astronomische Nachrichten, Supplementary Issue 3, Vol. 324, Short Contributions of the Annual Scientific Meeting of the Astronomische Gesellschaft in Freiburg, September 15-20, 2003, p. 40 (2003)
Ratzka, Thorsten; Köhler, Rainer; Leinert, Christoph: A Multiplicity Survey of the rho Oph Dark Cloud. Astronomische Nachrichten, Supplementary Issue 3, Vol. 324, Short Contributions of the Annual Scientific Meeting of the Astronomische Gesellschaft in Freiburg, September 15-20, 2003, p. 42 (2003)
Ratzka, Th.; Leinert, Ch.; Köhler, R.: A Multiplicity Survey of the rho Oph Molecular Cloud - Preliminary Results. Astronomische Nachrichten, Supplementary Issue 2, Vol. 324, Short Contributions of the Annual Scientific Meeting of the Astronomische Gesellschaft in Berlin, September 23-28, 2002, p. 16 (2003)
Quirrenbach, A.; Junkkarinen, V.; Köhler, R.: Adaptive Optics Software on the CfAO Web Page. Astronomical Data Analysis Software and Systems XII ASP Conference Series, Vol. 295, 2003 H. E. Payne, R. I. Jedrzejewski, and R. N. Hook, eds., p. 399 (2003)
Pugliese, G.; Christou, J.; Köhler, R.; Drummond, J.: Photometric and astrometric analysis of Gemini Galactic Center observations using ``StarFinder'' and blind deconvolution packages. American Astronomical Society, 201st AAS Meeting, #55.05; Bulletin of the American Astronomical Society, Vol. 34, p. 1202 (2002)
Rainer Köhler: Multiplicity of T Tauri Stars in Different Star Forming Regions. In: "Modes of Star Formation and the Origin of Field Populations", eds. E. K. Grebel and W. Brandner, ASP Conference Series, Vol. 285, 2002, p. 81, [gzipped PS] [PDF]
Ratzka, T.; Leinert, C.; Köhler, R.: A multiplicity survey of the rho Oph molecular cloud - preliminary results. Astron. Gesellschaft Abstract Ser. 19, 23-23 (2002)
Rainer Köhler: A Speckle/AO Survey for Binaries in the eta Cha Cluster. In: "Young Stars Near Earth: Progress and Prospects", eds. Ray Jayawardhana and Thomas Greene, ASP Conference Series, Vol. 244, 2001, p. 277, [gzipped PS] [PDF]
Rainer Köhler, Christoph Leinert, Hans Zinnecker: Multiplicity of T Tauri Stars and the Origin of Field Stars. Astronomische Gesellschaft Abstract Series, Vol. 18, Abstracts of Contributed Talks and Posters presented at at the Annual Scientific Meeting of the Astronomische Gesellschaft at the Joint European and National Meeting JENAM 2001 of the European Astronomical Society and the Astronomische Gesellschaft at Munich, September 10 - 15, 2001, abstract #P24.
Rainer Köhler, Christoph Leinert, Hans Zinnecker: Multiplicity of T Tauri Stars and the Origin of Field Stars. American Astronomical Society Meeting 197, #10.05 (2000)
Rainer Köhler & Wolfgang Brandner: Multiplicity in T and OB associations. In: "The Formation of Binary Stars", proceedings of IAU Symp. No. 200, eds. H. Zinnecker & R.D. Mathieu, ASP Conference Series, Vol. 200, 2001, p. 147, [gzipped PS] [PDF].
Also available as gzipped postscript at the official site of IAU200 in Potsdam, Germany.
Rainer Köhler, Hans Zinnecker, Hartmut Jahreiß: Multiplicity of Population II stars. In: "Dynamics of Star Clusters and the Milky Way", eds. S. Deiters, B. Fuchs, A. Just, R. Spurzem, and R. Wielen, ASP Conference Series, Vol. CS-228, p. 491 [gzipped PS] [PDF]
Rainer Köhler, Christoph Leinert, Hans Zinnecker: Multiplicity of T Tauri Stars and the Origin of Field Stars. Astronomische Gesellschaft Abstract Series, Vol. 18. Abstracts of Contributed Talks and Posters presented at the Annual Scientific Meeting of the Astronomische Gesellschaft at the Joint European and National Meeting JENAM 2001 of the European Astronomical Society and the Astronomische Gesellschaft at Munich, September 10-15, 2001, abstract #P24 (2001)
Rainer Köhler, Markus Kasper, Tom Herbst: T Tauri S confirmed as a binary Star. In: "Birth and Evolution of Binary Stars", poster proceedings of IAU Symp. No. 200, eds. B. Reipurth & H. Zinnecker, p. 63 (2000). [gzipped PS] [PDF]
Rainer Köhler, Hans Zinnecker, Hartmut Jahreiß: Multiplicity of Population II stars. In: "Birth and Evolution of Binary Stars", poster proceedings of IAU Symp. No. 200, eds. B. Reipurth & H. Zinnecker, p. 148 (2000). [gzipped PS] [PDF]
Brandner, Wolfgang; Kunkel, Michael; Leinert, Christoph; Köhler, Rainer; Zinnecker, Hans; Moneti, Andrea: The Low-Mass Stellar Content of the Scorpius-Centaurus OB Association. American Astronomical Society, 193rd AAS Meeting, #73.10; Bulletin of the American Astronomical Society, Vol. 30, p. 1362 (1998)
Rainer Köhler, Hans Zinnecker, and Hartmut Jahreiß: Multiplicity of Population II Stars. Astronomische Gesellschaft Abstract Series, Vol. 15, Abstracts of Contributed Talks and Posters presented at the Annual Scientific Meeting of the Astronomische Gesellschaft at Göttingen, September 20 - 25, 1999.
Rainer Köhler, Hans Zinnecker, and Hartmut Jahreiß: Multiplicity of Population II Stars. Astronomische Gesellschaft Meeting Abstracts, Vol. 14, Abstracts of Contributed Talks and Posters presented at the Annual Scientific Meeting of the Astronomische Gesellschaft at Heidelberg, September 14-19, 1998.
Brandner, Wolfgang; Frink, Sabine; Köhler, Rainer; Kunkel, Michael: Young Brown Dwarfs and Giant Planets as Companions to Weak-Line T Tauri Stars. ASP Conf. Ser. 154, The Tenth Cambridge Workshop on Cool Stars, Stellar Systems and the Sun, Edited by R. A. Donahue and J. A. Bookbinder, p. 1836 (1998)
Rainer Köhler, Christoph Leinert, and Hans Zinnecker: Multiplicity of T Tauri Stars in different Star-Forming Regions. Astronomische Gesellschaft Meeting Abstracts, Abstracts of Contributed Talks and Posters presented at the Annual Scientific Meeting of the Astronomische Gesellschaft at Heidelberg, September 14-19, 1998.
Rainer Köhler: Multiplicity of T Tauri Stars. AG Abstract Series 13, 28, 1997.
Rainer Köhler: Multiplicity of X-ray-selected weak-line T Tauri Stars. AG Abstract Series 12, 21, 1996.
Rainer Köhler: Binaries among weak-line T Tauri stars in Taurus. AG Abstract Series 11, 156, 1995.

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