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DESI 2024 III: Baryon Acoustic Oscillations from Galaxies and Quasars
DESI Collaboration, A. G. Adame, J. Aguilar +193
We present the DESI 2024 galaxy and quasar baryon acoustic oscillations (BAO) measurements using over 5.7 million unique galaxy and quasar redshifts in the range 0.1<z<2.1. Divided…
DESI 2024 VI: Cosmological Constraints from the Measurements of Baryon Acoustic Oscillations
DESI Collaboration, A. G. Adame, J. Aguilar +200
We present cosmological results from the measurement of baryon acoustic oscillations (BAO) in galaxy, quasar and Lyman- forest tracers from the first year of observations from t…
DESI 2024 IV: Baryon Acoustic Oscillations from the Lyman Alpha Forest
DESI Collaboration, A. G. Adame, J. Aguilar +196
We present the measurement of Baryon Acoustic Oscillations (BAO) from the Lyman- (Ly) forest of high-redshift quasars with the first-year dataset of the Dark Energy Spectrosc…
The Early Data Release of the Dark Energy Spectroscopic Instrument
DESI Collaboration, A. G. Adame, J. Aguilar +266
The Dark Energy Spectroscopic Instrument (DESI) completed its five-month Survey Validation in May 2021. Spectra of stellar and extragalactic targets from Survey Validation constitu…
Validation of the Scientific Program for the Dark Energy Spectroscopic Instrument
DESI Collaboration, A. G. Adame, J. Aguilar +261
The Dark Energy Spectroscopic Instrument (DESI) was designed to conduct a survey covering 14,000 deg over five years to constrain the cosmic expansion history through precise m…
Target Selection and Validation of DESI Emission Line Galaxies
A. Raichoor, J. Moustakas, Jeffrey A. Newman +48
The Dark Energy Spectroscopic Instrument (DESI) will precisely constrain cosmic expansion and the growth of structure by collecting 40 million extra-galactic redshifts across…
Target Selection and Validation of DESI Quasars
Edmond Chaussidon, Christophe Yèche, Nathalie Palanque-Delabrouille +54
The Dark Energy Spectroscopic Instrument (DESI) survey will measure large-scale structures using quasars as direct tracers of dark matter in the redshift range 0.9<z<2.1 and using…
DESI Bright Galaxy Survey: Final Target Selection, Design, and Validation
ChangHoon Hahn, Michael J. Wilson, Omar Ruiz-Macias +57
Over the next five years, the Dark Energy Spectroscopic Instrument (DESI) will use 10 spectrographs with 5000 fibers on the 4m Mayall Telescope at Kitt Peak National Observatory to…
The DESI Survey Validation: Results from Visual Inspection of Bright Galaxies, Luminous Red Galaxies, and Emission Line Galaxies
Ting-Wen Lan, R. Tojeiro, E. Armengaud +79
The Dark Energy Spectroscopic Instrument (DESI) Survey has obtained a set of spectroscopic measurements of galaxies to validate the final survey design and target selections. To as…
Preliminary Target Selection for the DESI Luminous Red Galaxy (LRG) Sample
Rongpu Zhou, Jeffrey A. Newman, Kyle S. Dawson +23
The DESI survey will observe more than 8 million candidate luminous red galaxies (LRGs) in the redshift range . Here we present a preliminary version of the DESI LRG tar…
Preliminary Target Selection for the DESI Emission Line Galaxy (ELG) Sample
Anand Raichoor, Daniel J. Eisenstein, Tanveer Karim +26
DESI will precisely constrain cosmic expansion and the growth of structure by collecting 35 million redshifts across 80% of cosmic history and one third of the sky to s…
Preliminary Target Selection for the DESI Quasar (QSO) Sample
Christophe Yèche, Nathalie Palanque-Delabrouille, Charles-Antoine Claveau +24
The DESI survey will measure large-scale structure using quasars as direct tracers of dark matter in the redshift range and using quasar Ly- forests at . We p…
The Completed SDSS-IV extended Baryon Oscillation Spectroscopic Survey: Pairwise-Inverse-Probability and Angular Correction for Fibre Collisions in Clustering Measurements
Faizan G. Mohammad, Will J. Percival, Hee-Jong Seo +28
The completed eBOSS catalogues contain redshifts of 344080 QSOs over 0.8<z<2.2 covering 4808 deg, 174816 LRGs over 0.6<z<1.0 covering 4242 deg and 173736 ELGs over 0.6<z<1.…
A Halo Occupation Interpretation Of Quasars At Using Very Small Scale Clustering Information
S. Eftekharzadeh, A. D. Myers, E. Kourkchi
We combine the most precise small scale () quasar clustering constraintsto date with recent measurements at large scales () from the ext…
The clustering of the SDSS-IV extended Baryon Oscillation Spectroscopic Survey DR14 quasar sample: structure growth rate measurement from the anisotropic quasar power spectrum in the redshift range
Héctor Gil-Marín, Julien Guy, Pauline Zarrouk +24
We analyse the clustering of the Sloan Digital Sky Survey IV extended Baryon Oscillation Spectroscopic Survey Data Release 14 quasar sample (DR14Q). We measure the redshift space d…
Clustering of quasars in SDSS-IV eBOSS : study of potential systematics and bias determination
Pierre Laurent, Sarah Eftekharzadeh, Jean-Marc Le Goff +21
We study the first year of the eBOSS quasar sample in the redshift range which includes 68,772 homogeneously selected quasars. We show that the main source of systemati…
A 14 Gpc study of cosmic homogeneity using BOSS DR12 quasar sample
Pierre Laurent, Jean-Marc Le Goff, Etienne Burtin +16
The BOSS quasar sample is used to study cosmic homogeneity with a 3D survey in the redshift range . We measure the count-in-sphere, , i.e. the average number o…
Clustering of intermediate redshift quasars using the final SDSS III-BOSS sample
Sarah Eftekharzadeh, Adam D. Myers, Martin White +7
We measure the two-point clustering of spectroscopically confirmed quasars from the final sample of the Baryon Oscillation Spectroscopic Survey (BOSS) on comoving scales of 4 < s <…
Luminosity Function from dedicated SDSS-III and MMT data of quasars in 0.7<z<4.0 selected with a new approach
N. Palanque-Delabrouille, Ch. Magneville, Ch. Yeche +25
We present a measurement of the quasar luminosity function in the range 0.68<z<4 down to extinction corrected magnitude g_dered=22.5, using a simple and well understood target sele…