Survey Strategy and Target Selection Jim Annis Fermilab Center for ...

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A Strawman Galaxy SampleStrawman:Cut 1 at z < 21.5 1000/sq-degCut II at z < 22.5 45/sq-degCut III at z < 22.5 30/sq-degTotal/pointing: 1075/sq-degTotal after 4 years: 1075/sq-deg5.4x10 6 LRGStrawman:r < 21.0 3300/sq-degTotal/pointing: 600/sq-degTotal after 4 years: 2400/sq-deg12.0x10 6 galaxies20
Survey Strategy: Classes of Fibers- In our strawman survey we have two classes of fibers already, LRG and galaxies- There will be other classes1. Science (?)2. Calibration and Operations- Sky fibers- the question is how few we can get away with.- Spatial interpolation map of sky spectra variation1. SDSS over the same FOV used 32- F subdwarfs to act as spectrophotometric standards- ~5/spectrograph (SDSS had 8)- Other standards- e.g., the reddening standards (SDSS: 8), hot standards for telluric absorption correction (SDSS: 2)- Quality Assurance (SDSS ~2)- Guide star bundles21
Page 1 and 2: The DES Followup SurveySurvey Strat
Page 3 and 4: Data Sets for Target Selection Test
Page 5 and 6: Designing a Strawman SurveyJeff New
Page 7 and 8: A Color Cut Target SelectionCut IIC
Page 9 and 10: A Color Cut Target SelectionCut IIC
Page 11 and 12: With stellar locusCut IICut IA side
Page 13 and 14: Field to Field (Hex to Hex) Variati
Page 15 and 16: Spectroscopic Survey Guidelines1. T
Page 18 and 19: Survey Strategy: Build Out vs. Gath
Page 22 and 23: Testing Ideas for DESpec- A classic

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