The SDSS-V local volume mapper fiber cable system

Tobias Feger; Scott Case; Ross Zhelem; Yevgen Kripak; Jon Lawrence; Christian Schwab; Tom M. Herbst; Guillermo Blanc; Pavan Bilgi; Nicholas P. Konidaris II; Anthony Hebert; Stefanie Wachter; Solange Ramirez; Niv Drory; Cynthia S. Froning

doi:10.1117/12.2562185

14 December 2020 The SDSS-V local volume mapper fiber cable system

Tobias Feger, Scott Case, Ross Zhelem, Yevgen Kripak, Jon Lawrence, Christian Schwab, Tom M. Herbst, Guillermo Blanc, Pavan Bilgi, Nicholas P. Konidaris II, Anthony Hebert, Stefanie Wachter, Solange Ramirez, Niv Drory, Cynthia S. Froning

Author Affiliations +

Proceedings Volume 11447, Ground-based and Airborne Instrumentation for Astronomy VIII; 114478N (2020) https://doi.org/10.1117/12.2562185
Event: SPIE Astronomical Telescopes + Instrumentation, 2020, Online Only

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Abstract

The Sloan Digital Sky Survey V (SDSS-V) is an all-sky spectroscopic survey of >6 million objects, designed to decode the history of the Milky Way, reveal the inner workings of stars, investigate the origin of solar systems, and track the growth of supermassive black holes across the Universe. The Local Volume Mapper (LVM) is a facility designed to provide a contiguous 2500 deg2 integral-field survey over a 3.5 year period from Las Campanas Observatory (LCO) in Chile. The facility comprises four small (16 cm) telescopes that deliver science, calibration, and spectro-photometric light to three bench-mounted multi-object spectrographs, designed and build by Winlight Systems. All four telescopes will be equipped with a microlens array integral-field unit (IFU) to slice the focal plane into 35–arcsec large spatial elements while maintaining near-telecentric coupling at the fiber input. The science IFU comprises 1801 fibers, additional 143 fibers are allocated for sky-background and spectro-photometric calibration, totaling 1944 fibers. Each spectrograph will be fed by 648 fibers, which are reformatted into a linear array, forming the entrance slit. In this paper, we present the opto-mechanical design of the LVM-LCO fiber cable system.

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Tobias Feger, Scott Case, Ross Zhelem, Yevgen Kripak, Jon Lawrence, Christian Schwab, Tom M. Herbst, Guillermo Blanc, Pavan Bilgi, Nicholas P. Konidaris II, Anthony Hebert, Stefanie Wachter, Solange Ramirez, Niv Drory, and Cynthia S. Froning "The SDSS-V local volume mapper fiber cable system", Proc. SPIE 11447, Ground-based and Airborne Instrumentation for Astronomy VIII, 114478N (14 December 2020); https://doi.org/10.1117/12.2562185

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