Muterspaugh, Matthew W. and Lane, Benjamin F. and Burke, B. F. and Konacki, Maciej and Kulkarni, S. R. (2004) Initial scientific results from phase-referenced astrometry of sub-arcsecond binaries. In: New Frontiers in Stellar Interferometry. Proceedings of SPIE. No.5491. Society of Photo-optical Instrumentation Engineers (SPIE) , Bellingham, WA, pp. 82-89. ISBN 9780819454232. https://resolver.caltech.edu/CaltechAUTHORS:20180910-131322294
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Abstract
The Palomar Testbed Interferometer has observed several binary star systems whose separations fall between the interferometric coherence length (a few hundredths of an arcsecond) and the typical atmospheric seeing limit of one arcsecond. Using phase-referencing techniques we measure the relative separations of the systems to precisions of a few tens of micro-arcseconds. We present the first scientific results of these observations, including the astrometric detection of the faint third stellar component of the kappa Pegasi system.
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| Additional Information: | © 2004 Society of Photo-Optical Instrumentation Engineers (SPIE). The PHASES project is funded by the Astronomy Department at the California Institute of Technology. We thank the members of the PTI Collaboration for their contributions to the instrument construction, operation, maintenance, and continued improvements. We would like to thank M. Colavita, K. Rykoski, and N. Safizadeh for their contributions to this effort. Interferometer data was obtained at the Palomar Observatory using the NASA Palomar Testbed Interferometer, supported by NASA contracts to the Jet Propulsion Laboratory. We thank the staff of Palomar Observatory. M.W.M. acknowledges the support of the Michelson Graduate Fellowship program. B.F.L. acknowledges support from a Pappalardo Fellowship in Physics. | ||||||||
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| Subject Keywords: | Optical Interferometry, Phase-referencing, astrometry, PTI, binary star, kappa Pegasi, kappa Peg | ||||||||
| Series Name: | Proceedings of SPIE | ||||||||
| Issue or Number: | 5491 | ||||||||
| DOI: | 10.1117/12.551980 | ||||||||
| Record Number: | CaltechAUTHORS:20180910-131322294 | ||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20180910-131322294 | ||||||||
| Official Citation: | Matthew W. Muterspaugh, Matthew W. Muterspaugh, Benjamin F. Lane, Benjamin F. Lane, Bernard F. Burke, Bernard F. Burke, Maciej Konacki, Maciej Konacki, Shri R. Kulkarni, Shri R. Kulkarni, } "Initial scientific results from phase-referenced astrometry of sub-arcsecond binaries", Proc. SPIE 5491, New Frontiers in Stellar Interferometry, (20 October 2004); doi: 10.1117/12.551980; https://doi.org/10.1117/12.551980 | ||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | ||||||||
| ID Code: | 89503 | ||||||||
| Collection: | CaltechAUTHORS | ||||||||
| Deposited By: | George Porter | ||||||||
| Deposited On: | 10 Sep 2018 20:42 | ||||||||
| Last Modified: | 16 Nov 2021 00:35 |
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