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researcher

J. Helly

100 papers hereh-index 4315.8k citations118 works total

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

author position
  • first author3
  • middle author71
  • last author15

Across the 89 of 100 papers where every author was matched, so the position is known.

fields
  • astro-ph.GA44
  • astro-ph.CO41
  • astro-ph11
  • astro-ph.IM2
  • cs.DC1
  • gr-qc1

identity via Semantic Scholar / OpenAlex

activity
20022026
most citedSimulating the joint evolution of quasars, galaxies and their large-scale distribution

5.1k citations · 21.2k across the 99 of their papers we have counts for

collaborators
Showing 2023 · astro-ph.GAShow all

2 papers · 2 filters

astro-ph.GA2023★ 4 cited

The FLAMINGO Project: Galaxy clusters in comparison to X-ray observations

Joey Braspenning, Joop Schaye, Matthieu Schaller +10

Galaxy clusters are important probes for both cosmology and galaxy formation physics. We test the cosmological, hydrodynamical FLAMINGO simulations by comparing to observations of…

astro-ph.GA2023

The PAU Survey: a new constraint on galaxy formation models using the observed colour redshift relation

G. Manzoni, C. M. Baugh, P. Norberg +27

We use the GALFORM semi-analytical galaxy formation model implemented in the Planck Millennium N-body simulation to build a mock galaxy catalogue on an observer's past lightcone. T…

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