Dr. Koji Murakawa Profile

Dr. Koji Murakawa

at ASTRON

SPIE Involvement:

Author

Publications (10)

Proceedings Article | 25 October 2004 Paper

Subaru adaptive optics system after two years of open use

Shin Oya, Naruhisa Takato, Hideki Takami, Yutaka Hayano, Masanori Iye, Hiroshi Terada, Koji Murakawa, Yosuke Minowa, Masayuki Hattori, Makoto Watanabe, Yukiko Kamata, Tomio Kanzawa, Thomas Kane, Wolfgang Gaessler

Proceedings Volume 5490, (2004) https://doi.org/10.1117/12.551814

KEYWORDS: Adaptive optics, Wavefront sensors, Deformable mirrors, Telescopes

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Proceedings Article | 20 October 2004 Paper

The PRIMA Astrometric Planet Search project

Andreas Quirrenbach, Thomas Henning, Didier Queloz, Simon Albrecht, Eric Bakker, Harald Baumeister, Peter Bizenberger, Hannes Bleuler, Rene Dandliker, Jeroen de Jong, Michel Fleury, Sabine Frink, Denis Gillet, Walter Jaffe, S. Hiddo Hanenburg, Saskia Hekker, Ralf Launhardt, Rudolf Le Poole, Charles Maire, Richard Mathar, Philippe Mullhaupt, Koji Murakawa, Francesco Pepe, Johan Pragt, Laurent Sache, Olivier Scherler, Damien Segransan, Johny Setiawan, Danuta Sosnowska, Robert Tubbs, Lars Venema, Karl Wagner, Luc Weber, Rolf Wuethrich

Proceedings Volume 5491, (2004) https://doi.org/10.1117/12.551481

KEYWORDS: Planets, Stars, Error analysis, Interferometers, Metrology, Calibration, Exoplanets, Telescopes, Mirrors, Control systems

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Proceedings Article | 20 October 2004 Paper

PRIMA astrometry operations and software

Eric Bakker, Andreas Quirrenbach, Robert Tubbs, Damien Segransan, Ralf Launhardt, Lars Venema, Rene Dandliker, Jeroen de Jong, Sabine Frink, Denis Gillet, Saskia Hekker, Thomas Henning, Walter Jaffe, Rudolf Le Poole, Philippe Mullhaupt, Koji Murakawa, Francesco Pepe, Didier Queloz, Laurent Sache, Johny Setiawan, Danuta Sosnowska, Rolf Wuethrich

Proceedings Volume 5491, (2004) https://doi.org/10.1117/12.550865

KEYWORDS: Calibration, Planets, Stars, Error analysis, Exoplanets, Control systems, Visualization, Uranus, Data acquisition, Astronomy

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Proceedings Article | 12 October 2004 Paper

Pupil Remapping Coronagraph (PRC): a high-performance coronagraph for a small-size visible Terrestrial Planet Finder

Olivier Guyon, Stephen Ridgway, Claude Aime, Anthony Boccaletti, Jean-Luc Beuzit, Raphael Galicher, Pierre Kern, Takayuki Kotani, Anne-Marie Lagrange, Richard Lyon, Fabien Malbet, Koji Murakawa, Masashi Otsubo, Daniel Rouan, Remi Soummer, Hiroshi Suto, Motohide Tamura, Robert Woodruff

Proceedings Volume 5487, (2004) https://doi.org/10.1117/12.552429

KEYWORDS: Telescopes, Space telescopes, Apodization, Coronagraphy, Point spread functions, Planets, Mirrors, Imaging systems, Stars, Polishing

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Proceedings Article | 7 March 2003 Paper

Near-infrared coronagraph imager on the Subaru 8 m telescope

Koji Murakawa, Hiroshi Suto, Motohide Tamura, Hideki Takami, Naruhisa Takato, Saeko Hayashi, Yoshiyuki Doi, Norio Kaifu, Yutaka Hayano, Wolfgang Gaessler, Yukiko Kamata

Proceedings Volume 4841, (2003) https://doi.org/10.1117/12.460762

KEYWORDS: Coronagraphy, Adaptive optics, Telescopes, Point spread functions, Stars, Wavefronts, Sensors, Imaging systems, Cameras, K band

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Proceedings Article | 14 February 2003 Paper

Near-infrared imaging-polarimetry of the Red Rectangle

Koji Murakawa, Motohide Tamura, Hiroshi Suto, Takashi Miyata, Tim Gledhill, James Hough

Proceedings Volume 4843, (2003) https://doi.org/10.1117/12.458840

KEYWORDS: Polarization, Stars, Image resolution, Adaptive optics, Telescopes, Polarimetry, Astronomical telescopes, Astronomy, Scattering, Observatories

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Proceedings Article | 14 February 2003 Paper

Near-infrared polarimeter for the Subaru telescope

Motohide Tamura, Misato Fukagawa, Koji Murakawa, Hiroshi Suto, Yoichi Itoh, Yoshiyuki Doi

Proceedings Volume 4843, (2003) https://doi.org/10.1117/12.458839

KEYWORDS: Adaptive optics, Polarimetry, Polarization, Telescopes, Coronagraphy, Space telescopes, Calibration, Optical filters, Wave plates, Spatial resolution

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Proceedings Article | 16 August 2000 Paper

Coronagraph imager with adaptive optics (CIAO): description and first results

Motohide Tamura, Hiroshi Suto, Yoichi Itoh, Noboru Ebizuka, Yoshiyuki Doi, Koji Murakawa, Saeko Hayashi, Yumiko Oasa, Hideki Takami, Norio Kaifu

Proceedings Volume 4008, (2000) https://doi.org/10.1117/12.395434

KEYWORDS: Coronagraphy, Adaptive optics, Telescopes, Cameras, Stars, Sensors, Infrared radiation, Optical filters, Infrared imaging, Astronomy

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Proceedings Article | 21 March 1997 Paper

Infrared instrumentation for the Subaru Telescope

Tetsuo Nishimura, Saeko Hayashi, Noriyuki Kaifu, Naoto Kobayashi, Yukiyasu Kobayashi, Motohide Tamura, Hideki Takami, Tadafumi Takata, T. Yamashita, Hirokazu Kataza, Toshihiko Tanabe, Y. Ito, Takashi Miyata, A. Mori, Takashi Onaka, Daigo Tomono, Koji Murakawa, Hiroshi Shibai, Tetsuya Nagata, Fumihide Iwamuro, Toshinori Maihara, Kentaro Motohara, Shin Oya, Hiroyuki Tsukamoto, Lennox Cowie, Donald Hall, Klaus-Werner Hodapp, Joseph Hora, John Rayner, Alan Tokunaga

Proceedings Volume 2871, (1997) https://doi.org/10.1117/12.268992

KEYWORDS: Spectrographs, Infrared telescopes, Telescopes, Infrared radiation, Cameras, Imaging systems, Adaptive optics, Mirrors, Infrared astronomy, Space telescopes

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Proceedings Article | 21 March 1997 Paper

Coronagraphic spectrometer

Masanori Iye, Motohide Tamura, Noboru Ebizuka, Yoichi Itoh, Koji Murakawa

Proceedings Volume 2871, (1997) https://doi.org/10.1117/12.269029

KEYWORDS: Spectroscopy, Coronagraphy, Galactic astronomy, Adaptive optics, Light scattering, Telescopes, Imaging systems, Infrared telescopes, Image resolution, Stars

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Showing 5 of 10 publications

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