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researcher

J. A. Defreitaspacheco

46 papers hereh-index 191.1k citations98 works total

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

author position
  • sole author2
  • first author8
  • middle author11
  • last author21

Across the 42 of 46 papers where every author was matched, so the position is known.

fields
  • astro-ph21
  • astro-ph.CO10
  • gr-qc9
  • astro-ph.HE4
  • astro-ph.GA2

identity via Semantic Scholar / OpenAlex

activity
19942024
most citedHubble flow around Fornax cluster of galaxies

135 citations · 984 across the 46 of their papers we have counts for

collaborators
Showing 2013Show all

2 papers · 1 filter

astro-ph.HE2013★ 7 cited

Revisiting the Formation Rate and the Redshift Distribution of LGRBs

Chadia Kanaan, Jose A. de Freitas Pacheco

Using a novel approach, the distribution of fluences of long gamma ray bursts derived from the Swift-BAT catalog, was reproduced by a jet-model characterized by the distribution of…

astro-ph.CO2013★ 10 cited

Evolution of the phase-space density and the Jeans scale for dark matter derived from the Vlasov-Einstein equation

Oliver F. Piattella, Davi C. Rodrigues, Júlio C. Fabris +1

We discuss solutions of Vlasov-Einstein equation for collisionless dark matter particles in the context of a flat Friedmann universe. We show that, after decoupling from the primor…

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