The Palomar Testbed Interferometer
The Palomar Testbed Interferometer (PTI) is a long-baseline infrared interferometer located at Palomar Observatory, California. It was built as a testbed for interferometric techniques applicable to the Keck Interferometer. First fringes were obtained in 1995 July. PTI implements a dual-star archite...
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| creator | Colavita, M. M. Wallace, J. K. Hines, B. E. Gursel, Y. Malbet, F. Palmer, D. L. Pan, X. P. Shao, M. Yu, J. W. Boden, A. F. |
| description | The Palomar Testbed Interferometer (PTI) is a long-baseline infrared interferometer located at Palomar Observatory, California. It was built as a testbed for interferometric techniques applicable to the Keck Interferometer. First fringes were obtained in 1995 July. PTI implements a dual-star architecture, tracking two stars simultaneously for phase referencing and narrow-angle astrometry. The three fixed 40 cm apertures can be combined pairwise to provide baselines to 110 m. The interferometer actively tracks the white-light fringe using an array detector at 2.2 microns and active delay lines with a range of +/-38 m. Laser metrology of the delay lines allows for servo control, and laser metrology of the complete optical path enables narrow-angle astrometric measurements. The instrument is highly automated, using a multiprocessing computer system for instrument control and sequencing. |
| format | Report |
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L.</creatorcontrib><creatorcontrib>Pan, X. P.</creatorcontrib><creatorcontrib>Shao, M.</creatorcontrib><creatorcontrib>Yu, J. W.</creatorcontrib><creatorcontrib>Boden, A. F.</creatorcontrib><collection>NASA Scientific and Technical Information</collection><collection>NASA Technical Reports Server</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Colavita, M. M.</au><au>Wallace, J. K.</au><au>Hines, B. E.</au><au>Gursel, Y.</au><au>Malbet, F.</au><au>Palmer, D. L.</au><au>Pan, X. P.</au><au>Shao, M.</au><au>Yu, J. W.</au><au>Boden, A. F.</au><format>book</format><genre>unknown</genre><ristype>RPRT</ristype><btitle>The Palomar Testbed Interferometer</btitle><date>1999-01-13</date><risdate>1999</risdate><volume>510</volume><abstract>The Palomar Testbed Interferometer (PTI) is a long-baseline infrared interferometer located at Palomar Observatory, California. 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| subjects | Instrumentation And Photography |
| title | The Palomar Testbed Interferometer |
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