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All papers authored by Kári Helgason

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K. Helgason

ORCID

ORCID

, A. Kashlinsky, V. Bromm

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

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Abhishek Desai

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, Kári Helgason

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, Vaidehi Sharan Paliya

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, Alberto Domínguez

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ORCID

, Dieter Hartmann

ORCID

A GeV–TeV Measurement of the Extragalactic Background Light

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A. Kashlinsky, R. G. Arendt

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, N. Cappelluti

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, A. Finoguenov

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, K. Helgason

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, A. Merloni

Probing the Cross-power of Unresolved Cosmic Infrared and X-Ray Backgrounds with Upcoming Space Missions

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2018 Yanxia Li, Nico Cappelluti

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, Richard G. Arendt

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, Günther Hasinger

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, Alexander Kashlinsky, Kari Helgason

ORCID

The SPLASH and Chandra COSMOS Legacy Survey: The Cross-power between Near-infrared and X-Ray Background Fluctuations

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Q. Ma, B. Ciardi, M. B. Eide

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, K. Helgason

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X-ray background and its correlation with the 21 cm signal

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Q. Ma, K. Helgason

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, E. Komatsu, B. Ciardi, A. Ferrara

Measuring patchy reionization with kSZ2-21 cm correlations

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2017 A. Desai, M. Ajello

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ORCID

, D. H. Hartmann

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, A. Domínguez

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, K. Helgason

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, J. Finke, M. Meyer

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Probing the EBL Evolution at High Redshift Using GRBs Detected with theFermi-LAT

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N. Cappelluti

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, A. Kashlinsky, Y. Li, G. Hasinger

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, K. Helgason

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, M. Urry

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ORCID

, A. Finoguenov

ORCID

Probing Large-scale Coherence betweenSpitzerIR andChandraX-Ray Source-subtracted Cosmic Backgrounds

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2016 K. Helgason

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, E. Komatsu

AKARInear-infrared background fluctuations arise from normal galaxy populations

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Bin Yue, Andrea Ferrara, Kári Helgason

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Detecting high-zgalaxies in the near-infrared background

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2015 K. Helgason

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, M. Ricotti, A. Kashlinsky, V. Bromm

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

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A. Kashlinsky, R. G. Arendt

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, F. Atrio-Barandela

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, K. Helgason

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LYMAN-TOMOGRAPHY OF COSMIC INFRARED BACKGROUND FLUCTUATIONS WITHEUCLID: PROBING EMISSIONS AND BARYONIC ACOUSTIC OSCILLATIONS ATz≳ 10

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A. Kashlinsky, J. C. Mather, K. Helgason

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, V. Bromm, S. H. Moseley

Reconstructing Emission From Pre-Reionization Sources With Cosmic Infrared Background Fluctuation Measurements by Thejwst

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2014 K. Helgason

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, N. Cappelluti

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, G. Hasinger, A. Kashlinsky, M. Ricotti

The CONTRIBUTION OFz≲ 6 SOURCES TO THE SPATIAL COHERENCE IN THE UNRESOLVED COSMIC NEAR-INFRARED AND X-Ray BACKGROUNDS

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K. Helgason

ORCID

The Cosmic Near-Infrared Background: From the dark ages to the present

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2012 Kari Helgason

ORCID

, Alexander Kashlinsky

RECONSTRUCTING THE γ-Ray PHOTON OPTICAL DEPTH OF THE UNIVERSE TOz∼ 4 FROM MULTIWAVELENGTH GALAXY SURVEY DATA

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Kari Helgason

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, Massimo Ricotti, Alexander Kashlinsky

Reconstructing the Near-Infrared Background Fluctuations From Known Galaxy Populations Using Multiband Measurements of Luminosity Functions

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Kari Helgason

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, Massimo Ricotti, Alexander Kashlinsky

Can the near-IR fluctuations arise from known galaxy populations?

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