The Keck interferometer nuller: system architecture and laboratory performance

Eugene Serabyn; Andrew J. Booth; M. Mark Colavita; Michelle J. Creech-Eakman; Samuel L. Crawford; Jean Garcia; Richard L. Johnson Jr.; Erik Hovland; C. Koresko; Edgar Robert Ligon III; Stefan R. Martin; Bertrand P. Mennesson; James D. Moore; Dean L. Palmer; Christopher G. Paine; Michael Shao; Mark R. Swain; Robert F. Smythe; Gautam Vasisht

doi:10.1117/12.552195

20 October 2004 The Keck interferometer nuller: system architecture and laboratory performance

Eugene Serabyn, Andrew J. Booth, M. Mark Colavita, Michelle J. Creech-Eakman, Samuel L. Crawford, Jean Garcia, Richard L. Johnson Jr., Erik Hovland, C. Koresko, Edgar Robert Ligon III, Stefan R. Martin, Bertrand P. Mennesson, James D. Moore, Dean L. Palmer, Christopher G. Paine, Michael Shao, Mark R. Swain, Robert F. Smythe, Gautam Vasisht

Author Affiliations +

Proceedings Volume 5491, New Frontiers in Stellar Interferometry; (2004) https://doi.org/10.1117/12.552195
Event: SPIE Astronomical Telescopes + Instrumentation, 2004, Glasgow, United Kingdom

Abstract

The first high-dynamic-range interferometric mode planned to come on line at the Keck Observatory is mid-infrared nulling. This observational mode, which is based on the cancellation of the on-axis starlight arriving at the twin Keck telescopes, will be used to examine nearby stellar systems for the presence of circumstellar exozodiacal emission. This paper describes the system level layout of the Keck Interferometer Nuller (KIN), as well as the final performance levels demonstrated in the laboratory integration and test phase at the Jet Propulsion Laboratory prior to shipment of the nuller hardware to the Keck Observatory in mid-June 2004. On-sky testing and observation with the mid-infrared nuller are slated to begin in August 2004.

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Eugene Serabyn, Andrew J. Booth, M. Mark Colavita, Michelle J. Creech-Eakman, Samuel L. Crawford, Jean Garcia, Richard L. Johnson Jr., Erik Hovland, C. Koresko, Edgar Robert Ligon III, Stefan R. Martin, Bertrand P. Mennesson, James D. Moore, Dean L. Palmer, Christopher G. Paine, Michael Shao, Mark R. Swain, Robert F. Smythe, and Gautam Vasisht "The Keck interferometer nuller: system architecture and laboratory performance", Proc. SPIE 5491, New Frontiers in Stellar Interferometry, (20 October 2004); https://doi.org/10.1117/12.552195

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