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D. Syphers

5 papers hereh-index 14689 citations54 works total

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

author position
  • first author1
  • middle author4

Across the 5 of 5 papers where every author was matched, so the position is known.

fields
  • astro-ph2
  • astro-ph.GA2
  • astro-ph.CO1

identity via Semantic Scholar / OpenAlex

activity
20062019
most citedA Large, Uniform Sample of X-ray Emitting AGN from the ROSAT All-Sky and Sloan Digital Sky Surveys: the Data Release 5 Sample

89 citations · 124 across the 3 of their papers we have counts for

collaborators
Showing 2015Show all

1 paper · 1 filter

astro-ph.GA2015

Characteristics of He II Proximity Profiles

W. Zheng, D. Syphers, A. Meiksin +4

The proximity profile in the spectra of z~3 quasars, where fluxes extend blueward of the He II Lya wavelength 304 (1+z) A, is one of the most important spectral features in the stu…

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