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researcher

S. López

19 papers hereh-index 282.3k citations112 works total

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

author position
  • first author4
  • middle author9
  • last author3

Across the 16 of 19 papers where every author was matched, so the position is known.

fields
  • astro-ph19

identity via Semantic Scholar / OpenAlex

activity
19982007
most citedA new measure of Delta alpha/alpha at redshift z = 1.84 from very high resolution spectra of Q1101-264

78 citations · 292 across the 10 of their papers we have counts for

collaborators
Showing 2000 · astro-phShow all

1 paper · 2 filters

astro-ph2000

HST spectroscopy of the double QSO HS 1216+5032 AB

Sebastian Lopez, Hans-Juergen Hagen, Dieter Reimers

(Abridged) We report on HST FOS observations of the double QSO HS 1216+5032 AB (z(A)=1.455; z(B)=1.451, and angular separation theta=9 arcsec). An unusual broad-absorption-line (BA…

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