Edmond Chaussidon, CEA Saclay January 12, 2022 Although DESI will be able to collect 5,000 spectra simultaneously, galaxies are still too numerous to be all observed during the next five years of observation. Target Selection (TS) is a crucial step to identify which objects to observe during the spectroscopic survey. To constrain the cosmic expansion […]
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The Old is New Again: Social Distancing While Mapping the Universe
David Lee Summers, Kitt Peak National Observatory November 17, 2021 Many people who hear the word “astronomer” imagine a scientist spending long nights in an observatory dome peering through a telescope’s eyepiece. In fact, when the Nicholas U. Mayall telescope was commissioned in 1973, astronomers could sit at the telescope’s focus to operate the cameras. […]
Congratulations to Frank Valdes
Adam Bolton, NOIRLab November 1, 2021 DESI collaborator Dr. Frank Valdes, a scientist at NSF’s NOIRLab, has been honored with the 2021 ADASS Prize for an Outstanding Contribution to Astronomical Software. The award recognizes Frank and two other colleagues for their foundational roles in creating the Image Reduction and Analysis Facility (IRAF) software system. IRAF […]
