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astro-ph.EP2012★ 35 cited
Temporal Variability of Lunar Exospheric Helium During January 2012 from LRO/LAMP
Paul D. Feldman, Dana M. Hurley, Kurt D. Retherford +8
We report observations of the lunar helium exosphere made between December 29, 2011, and January 26, 2012, with the Lyman Alpha Mapping Project (LAMP) ultraviolet spectrograph on N…
astro-ph.IM2012★ 1.1k cited
The Multi-Object, Fiber-Fed Spectrographs for SDSS and the Baryon Oscillation Spectroscopic Survey
Stephen Smee, James E. Gunn, Alan Uomoto +61
We present the design and performance of the multi-object fiber spectrographs for the Sloan Digital Sky Survey (SDSS) and their upgrade for the Baryon Oscillation Spectroscopic Sur…