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researcher

J. Knapen

41 papers hereh-index 121k citations48 works total

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

author position
  • middle author25

Across the 25 of 41 papers where every author was matched, so the position is known.

fields
  • astro-ph.GA30
  • astro-ph4
  • astro-ph.IM4
  • astro-ph.CO2
  • hep-ph1
same name
  • J. Knapen — 249 papers, h 54

Either other researchers who publish under this name, or the same person where the external sources have not merged their records.

identity via Semantic Scholar / OpenAlex

activity
19962026
most citedThe H alpha Galaxy Survey I. The galaxy sample, H alpha narrow-band observations and star formation parameters for 334 galaxies

209 citations · 1.1k across the 41 of their papers we have counts for

collaborators
Showing 2004Show all

1 paper · 1 filter

astro-ph2004★ 53 cited

The H-alpha Galaxy Survey II. Extinction and NII corrections to H-alpha fluxes

P. A. James, N. S. Shane, J. H. Knapen +2

We study the two main corrections generally applied to narrow-band H-alpha fluxes from galaxies in order to convert them to star formation rates, namely for NII contamination and f…

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