Overview of the DESI legacy imaging surveys

A Dey, DJ Schlegel, D Lang, R Blum… - The Astronomical …, 2019 - iopscience.iop.org
Abstract The DESI Legacy Imaging Surveys (http://legacysurvey. org/) are a combination of
three public projects (the Dark Energy Camera Legacy Survey, the Bei**g–Arizona Sky …

The fourteenth data release of the Sloan digital sky survey: First spectroscopic data from the extended baryon oscillation spectroscopic survey and from the second …

B Abolfathi, DS Aguado, G Aguilar… - The Astrophysical …, 2018 - iopscience.iop.org
It is now 16 years since the first data release from the Sloan Digital Sky Survey (SDSS; York
et al. 2000). This Early Data Release, or EDR, occurred in 2001 June (Stoughton et al …

PHANGS–ALMA: Arcsecond CO (2–1) Imaging of Nearby Star-forming Galaxies

AK Leroy, E Schinnerer, A Hughes… - The Astrophysical …, 2021 - iopscience.iop.org
We present PHANGS–ALMA, the first survey to map CO J= 2→ 1 line emission at∼ 1''∼ 100
pc spatial resolution from a representative sample of 90 nearby (d≲ 20 Mpc) galaxies that lie …

Heavy-element production in a compact object merger observed by JWST

AJ Levan, BP Gompertz, OS Salafia, M Bulla, E Burns… - Nature, 2024 - nature.com
The mergers of binary compact objects such as neutron stars and black holes are of central
interest to several areas of astrophysics, including as the progenitors of gamma-ray bursts …

Pōniuā 'ena: A Luminous z= 7.5 Quasar Hosting a 1.5 Billion Solar Mass Black Hole

J Yang, F Wang, X Fan, JF Hennawi… - The Astrophysical …, 2020 - iopscience.iop.org
We report the discovery of a luminous quasar, J1007+ 2115 at z= 7.515 (" Pōniuā'ena"), from
our wide-field reionization-era quasar survey. J1007+ 2115 is the second quasar now …

The Sloan Digital Sky Survey Quasar Catalog: Sixteenth Data Release

BW Lyke, AN Higley, JN McLane… - The Astrophysical …, 2020 - iopscience.iop.org
We present the final Sloan Digital Sky Survey IV (SDSS-IV) quasar catalog from Data
Release 16 of the extended Baryon Oscillation Spectroscopic Survey (eBOSS). This catalog …

Validation of the scientific program for the Dark Energy Spectroscopic Instrument

AG Adame, J Aguilar, S Ahlen, S Alam… - The Astronomical …, 2024 - iopscience.iop.org
Studies of the geometry and energy content of the Universe, physics of cosmic expansion,
fundamental properties of standard model particles, and growth of structure remain the key …

The DESI experiment part I: science, targeting, and survey design

A Aghamousa, J Aguilar, S Ahlen, S Alam… - arxiv preprint arxiv …, 2016 - arxiv.org
DESI (Dark Energy Spectroscopic Instrument) is a Stage IV ground-based dark energy
experiment that will study baryon acoustic oscillations (BAO) and the growth of structure …

The clustering of the SDSS-IV extended Baryon Oscillation Spectroscopic Survey DR14 quasar sample: first measurement of baryon acoustic oscillations between …

M Ata, F Baumgarten, J Bautista… - Monthly Notices of …, 2018 - academic.oup.com
We present measurements of the Baryon Acoustic Oscillation (BAO) scale in redshift-space
using the clustering of quasars. We consider a sample of 147 000 quasars from the …

From discovery to the first month of the type II supernova 2023ixf: high and variable mass loss in the final year before explosion

D Hiramatsu, D Tsuna, E Berger, K Itagaki… - The Astrophysical …, 2023 - iopscience.iop.org
We present the discovery of the Type II supernova SN 2023ixf in M101 and follow-up
photometric and spectroscopic observations, respectively, in the first month and week of its …