Colavita, M. M. and Akeson, R. L. and Millan-Gabet, R. and Felizardo, C. and Koresko, C. D. and Herstein, J. S. (2008) Keck Interferometer nuller update. In: Optical and Infrared Interferometry. Proceedings of SPIE. No.7013. Society of Photo-Optical Instrumentation Engineers (SPIE) , Bellingham, WA, Art. No. 70130A. ISBN 9780819472236. https://resolver.caltech.edu/CaltechAUTHORS:20190517-093643424
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Abstract
The Keck Interferometer combines the two 10 m Keck telescopes as a long baseline interferometer, funded by NASA, as a joint development among the Jet Propulsion Laboratory, the W. M. Keck Observatory, and the Michelson Science Center. Since 2004, it has offered an H- and K-band fringe visibility mode through the Keck TAC process. Recently this mode has been upgraded with the addition of a grism for higher spectral resolution. The 10 um nulling mode, for which first nulling data were collected in 2005, completed the bulk of its engineering development in 2007. At the end of 2007, three teams were chosen in response to a nuller key science call to perform a survey of nearby stars for exozodiacal dust. This key science observation program began in Feb. 2008. Under NSF funding, Keck Observatory is leading development of ASTRA, a project to add dual-star capability for high sensitivity observations and dual-star astrometry. We review recent activity at the Keck Interferometer, with an emphasis on the nuller development.
| Item Type: | Book Section | ||||||
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| Additional Information: | © 2008 Society of Photo-Optical Instrumentation Engineers (SPIE). The Keck Interferometer is funded by the National Aeronautics and Space Administration (NASA). Observations presented were obtained at the W. M. Keck Observatory, which is operated as a scientific partnership among the California Institute of Technology, the University of California, and NASA. The Observatory was made possible by the generous financial support of the W. M. Keck Foundation. Part of this work was performed at the Jet Propulsion Laboratory, California Institute of Technology, and at the Michelson Science Center, California Institute of Technology, under contract with NASA. | ||||||
| Group: | Infrared Processing and Analysis Center (IPAC) | ||||||
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| Subject Keywords: | Interferometry, Nulling, Keck | ||||||
| Series Name: | Proceedings of SPIE | ||||||
| Issue or Number: | 7013 | ||||||
| DOI: | 10.1117/12.789476 | ||||||
| Record Number: | CaltechAUTHORS:20190517-093643424 | ||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20190517-093643424 | ||||||
| Official Citation: | M. M. Colavita, E. Serabyn, A. J. Booth, S. L. Crawford, J. I. Garcia-Gathright, E. R. Ligon, B. L. Mennesson, C. G. Paine, P. L. Wizinowich, S. Ragland, E. C. Appleby, B. C. Berkey, A. Cooper, W. Dahl, J. T. Gathright, M. A. Hrynevych, D. W. Medeiros, D. Morrison, T. Panteleeva, B. Smith, K. R. Summers, K. Tsubota, C. Tyau, E. Wetherell, J. M. Woillez, R. L. Akeson, R. Millan-Gabet, C. Felizardo, C. D. Koresko, and J. S. Herstein "Keck Interferometer nuller update", Proc. SPIE 7013, Optical and Infrared Interferometry, 70130A (28 July 2008); doi: 10.1117/12.789476; https://doi.org/10.1117/12.789476 | ||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | ||||||
| ID Code: | 95557 | ||||||
| Collection: | CaltechAUTHORS | ||||||
| Deposited By: | Tony Diaz | ||||||
| Deposited On: | 17 May 2019 17:11 | ||||||
| Last Modified: | 16 Nov 2021 17:13 |
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