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researcher

K. Helgason

19 papers hereh-index 14488 citations26 works total

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

author position
  • first author6
  • middle author7
  • last author3

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

fields
  • astro-ph.CO15
  • astro-ph.GA2
  • astro-ph.HE2

identity via Semantic Scholar / OpenAlex

activity
20122019
most citedA new measurement of the Hubble constant and matter content of the Universe using extragalactic background light γ-ray attenuation

90 citations · 577 across the 19 of their papers we have counts for

collaborators
Showing 2017Show all

3 papers · 1 filter

astro-ph.CO2017★ 28 cited

Measuring patchy reionisation with kSZ2-21 cm correlations

Q. Ma, K. Helgason, E. Komatsu +2

We study cross-correlations of the kinetic Sunyaev-Zel'dovich effect (kSZ) and 21 cm signals during the epoch of reionisation (EoR) to measure the effects of patchy reionisation. S…

astro-ph.HE2017★ 20 cited

Probing the EBL evolution at high redshift using GRBs detected with the Fermi-LAT

Abhishek Desai, Marco Ajello, Nicola Omodei +6

The extragalactic background light (EBL), from ultraviolet to infrared wavelengths, is predominantly due to emission from stars, accreting black holes and reprocessed light due to…

astro-ph.CO2017★ 36 cited

Probing large scale coherence between Spitzer IR and Chandra X-ray source-subtracted cosmic backgrounds

N. Cappelluti, R. Arendt, A. Kashlinsky +6

We present new measurements of the large scale clustering component of the cross-power spectra of the source-subtracted Spitzer-IRAC Cosmic Infrared Background (CIB) and Chandra-AC…

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