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researcher

J. Knapen

3 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 author2

Across the 2 of 3 papers where every author was matched, so the position is known.

fields
  • astro-ph3
same name
  • J. Knapen — 47 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
20032008
most citedThe H alpha Galaxy Survey. IV. Star formation in the local Universe

44 citations · 44 across the 1 of their papers we have counts for

collaborators
Showing astro-phShow all

3 papers · 1 filter

astro-ph2008★ 44 cited

The H alpha Galaxy Survey. IV. Star formation in the local Universe

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

We present an analysis of the star formation properties of field galaxies within the local volume out to a recession velocity limit of 3000 km/s. A parent sample of 863 star-formin…

astro-ph2004

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…

astro-ph2003

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

P. A. James, N. S. Shane, J. E. Beckman +12

We discuss the selection and observations of a large sample of nearby galaxies, which we are using to quantify the star formation activity in the local Universe. The sample consist…

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