Concepedia

K. Helgason

KH

13

Publications

529

Citations

13

H-Index

2012

Active since

Affiliations

Goddard Space Flight Center(Current)

University of Iceland

Max Planck Institute for Astrophysics

Science Systems and Applications (United States)

University of Maryland, College Park

K. Helgason is an author at Goddard Space Flight Center specializing in engineering, physics, and plasma theory.

ORCID

Top concepts

Publications per year

2012–2022

13

Publications

13

A gamma-ray determination of the Universe’s star formation history

S. Abdollahi, M. Ackermann, M. Ajello et al. · Science · 2018 · 159 citations · Full text

RECONSTRUCTING THE NEAR-INFRARED BACKGROUND FLUCTUATIONS FROM KNOWN GALAXY POPULATIONS USING MULTIBAND MEASUREMENTS OF LUMINOSITY FUNCTIONS

K. Helgason, Massimo Ricotti, A. Kashlinsky · The Astrophysical Journal · 2012 · 81 citations · Full text

RECONSTRUCTING THE γ-RAY PHOTON OPTICAL DEPTH OF THE UNIVERSE TO <i>z</i> ∼ 4 FROM MULTIWAVELENGTH GALAXY SURVEY DATA

K. Helgason, A. Kashlinsky · The Astrophysical Journal Letters · 2012 · 50 citations · Full text

THE CONTRIBUTION OF<i>z</i>≲ 6 SOURCES TO THE SPATIAL COHERENCE IN THE UNRESOLVED COSMIC NEAR-INFRARED AND X-RAY BACKGROUNDS

K. Helgason, N. Cappelluti, G. Hasinger et al. · The Astrophysical Journal · 2014 · 37 citations · Full text

On the physical requirements for a pre-reionization origin of the unresolved near-infrared background

K. Helgason, Massimo Ricotti, A. Kashlinsky et al. · Monthly Notices of the Royal Astronomical Society · 2015 · 37 citations · Full text

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