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Agnostic Stacking of Intergalactic Doublet Absorption: Measuring the NeVIII Population
Stephan Frank, Matthew M. Pieri, Smita Mathur +2
We present a blind search for doublet intergalactic metal absorption with a method dubbed `agnostic stacking'. Using a forward-modelling framework we combine this with direct detec…
Baryon acoustic oscillations from the complete SDSS-III Ly-quasar cross-correlation function at
Hélion du Mas des Bourboux, Jean-Marc Le Goff, Michael Blomqvist +22
We present a measurement of baryon acoustic oscillations (BAO) in the cross-correlation of quasars with the Ly-forest flux-transmission at a mean redshift . The measurem…
The Fourteenth Data Release of the Sloan Digital Sky Survey: First Spectroscopic Data from the extended Baryon Oscillation Spectroscopic Survey and from the second phase of the Apache Point Observatory Galactic Evolution Experiment
Bela Abolfathi, D. S. Aguado, Gabriela Aguilar +344
The fourth generation of the Sloan Digital Sky Survey (SDSS-IV) has been in operation since July 2014. This paper describes the second data release from this phase, and the fourtee…
Dynamical dark energy in light of the latest observations
Gong-Bo Zhao, Marco Raveri, Levon Pogosian +23
A flat Friedman-Roberson-Walker universe dominated by a cosmological constant () and cold dark matter (CDM) has been the working model preferred by cosmologists since the discov…