Integrating BigBOSS with the Mayall Telescope
| Autor: | Will Goble, Michael Levi, David J. Schlegel, Kevin Reil, Chris Bebek, Arjun Dey, Michael Sholl, Dick Joyce, Robert Besuner |
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| Rok vydání: | 2012 |
| Předmět: |
Physics
business.industry Astrophysics::Instrumentation and Methods for Astrophysics Cassegrain reflector Astrophysics::Cosmology and Extragalactic Astrophysics Spectral bands law.invention Telescope Optics Cardinal point law Baryon acoustic oscillations business Secondary mirror Right ascension Spectrograph Astrophysics::Galaxy Astrophysics |
| Zdroj: | SPIE Proceedings. |
| ISSN: | 0277-786X |
| DOI: | 10.1117/12.925497 |
| Popis: | BigBOSS is a proposed ground-based dark energy experiment to study baryon acoustic oscillations (BAO) and the growth of large scale structure. It consists of a fiber-fed multi-object spectrograph designed to be installed on the Mayall 4-meter telescope at Kitt Peak, Arizona. BigBOSS includes an optical corrector assembly and 5000-fiber-positioner focal plane assembly that replace the existing Mayall prime focus hardware. 40-meter long optical fiber bundles are routed from the focal plane, through the telescope declination and right ascension pivots, to spectrographs in the thermally insulated FTS Laboratory, immediately adjacent to the telescope. Each of the ten spectrographs includes three separate spectral bands. The FTS Laboratory also houses support electronics, cooling, and vacuum equipment. The prime focus assembly includes mounts for the existing Mayall f/8 secondary mirror to allow observations with Cassegrain instruments. We describe the major elements of the BigBOSS instrument, plans for integrating with the Telescope, and proposed modifications and additions to existing Mayall facilities. |
| Databáze: | OpenAIRE |
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