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The dark energy spectrometer - A potential multi-fiber instrument for the Blanco 4-meter telescope

Marshall, J.; Kent, Stephen M.; Diehl, H. Thomas; Flaugher, Brenna; Frieman, Joshua A.; Kron, Richard G.; DePoy, Darren; Colless, Matthew; Saunders, Will; Smith, Greg; Abdalla, Filipe B.; Annis, James; Marriner, Jogn


We describe the preliminary design of the Dark Energy Spectrometer (DESpec), a fiber-fed spectroscopic instrument concept for the Blanco 4-meter telescope at Cerro Tololo Inter-American Observatory (CTIO). DESpec would take advantage of the infrastructure recently deployed for the Dark Energy Camera (DECam). DESpec would be mounted in the new DECam prime focus cage, would be interchangeable with DECam, would share the DECam optical corrector, and would feature a focal plane with ∼4000...[Show more]

CollectionsANU Research Publications
Date published: 2012
Type: Conference paper
Source: Proceedings of SPIE - The International Society for Optical Engineering
DOI: 10.1117/12.926451
Access Rights: Open Access


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