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researcher

A. Walker

72 papers hereh-index 334.6k citations106 works total

Matching runs newest-first, so older work may not be attached to this profile yet.

author position
  • first author1
  • middle author37
  • last author6

Across the 44 of 72 papers where every author was matched, so the position is known.

fields
  • astro-ph.CO43
  • astro-ph.GA14
  • astro-ph.IM7
  • astro-ph.EP3
  • astro-ph2
  • astro-ph.HE2
same name
  • A. Walker — 288 papers, h 76
  • A. Walker — 25 papers, h 17
  • A. Walker — 22 papers, h 9
  • A. Walker — 16 papers, h 9
  • A. Walker — 15 papers, h 9
  • A. Walker — 11 papers

Either other researchers who publish under this name, or the same person where the external sources have not merged their records.

identity via Semantic Scholar / OpenAlex

activity
19982026
most citedDark Energy Survey Year 1 Results: Cosmological Constraints from Galaxy Clustering and Weak Lensing

1.2k citations · 5.2k across the 70 of their papers we have counts for

collaborators
Showing 2017 · astro-ph.IMShow all

2 papers · 2 filters

astro-ph.IM2017★ 22 cited

Photometric characterization of the Dark Energy Camera

G. M. Bernstein, T. M. C. Abbott, R. Armstrong +9

We characterize the variation in photometric response of the Dark Energy Camera (DECam) across its 520~Mpix science array during 4 years of operation. These variations are measured…

astro-ph.IM2017★ 66 cited

Astrometric calibration and performance of the Dark Energy Camera

G. M. Bernstein, R. Armstrong, A. A. Plazas +53

We characterize the ability of the Dark Energy Camera (DECam) to perform relative astrometry across its 500~Mpix, 3 deg^2 science field of view, and across 4 years of operation. Th…

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Not affiliated with arXiv. Researcher data from Semantic Scholar (ODC-BY) and OpenAlex.