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27 April 2024 |
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Article overview
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The Fan Observatory Bench Optical Spectrograph (FOBOS) | | Jeffrey D. Crane
; Steven R. Majewski
; Richard J. Patterson
; Michael F. Skrutskie
; Elena Y. Adams
; Peter M. Frinchaboy
; | | Date: |
23 Feb 2005 | | Subject: | astro-ph | | Abstract: | The Fan Observatory Bench Optical Spectrograph (FOBOS) is intended for single-object optical spectroscopy at moderate resolution (R~1500-3000) using a fiber-fed, bench-mounted design to maintain stability. Whenever possible, the instrument uses off-the-shelf components to maintain a modest cost. FOBOS supports Galactic astronomy projects that require consistently well-measured (~5 km/sec) radial velocities for large numbers of broadly distributed and relatively bright (V<14) stars. The spectrograph provides wavelength coverage throughout the optical spectrum, although the instrument design was optimized for use in the range 470-670 nm. Test data indicate that the instrument is stable and capable of measuring radial velocities with precision better than 3 km/sec at a resolution of R~1500 with minimal calibration overhead. | | Source: | arXiv, astro-ph/0502492 | | Services: | Forum | Review | PDF | Favorites | |
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