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researcher

R. Parra

18 papers hereh-index 91.9k citations39 works total

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

author position
  • first author3
  • middle author9
  • last author2

Across the 14 of 18 papers where every author was matched, so the position is known.

fields
  • astro-ph.GA5
  • astro-ph4
  • astro-ph.CO4
  • astro-ph.IM3
  • astro-ph.HE2
same name
  • R. Parra — 2 papers, h 3

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
20042025
most citedFirst Sagittarius A* Event Horizon Telescope Results. I. The Shadow of the Supermassive Black Hole in the Center of the Milky Way

1.9k citations · 2.4k across the 17 of their papers we have counts for

collaborators
Showing 2010Show all

3 papers · 1 filter

astro-ph.CO2010

Compact source resolution and rapid variability in Arp220

Fabien Batejat, John E. Conway, Philip J. Diamond +3

We present multi-epoch global VLBI observations at 2 cm, 3.6 cm and 6 cm of the compact radio sources in Arp220. We resolve many sources and estimate sizes, expansion velocities an…

astro-ph.GA2010★ 21 cited

G30.79~FIR~10: A gravitationally bound infalling high-Mass star forming clump

P. C. Cortes, R. Parra, J. R. Cortes +1

Infalling motions were detected and modeled toward this source. A mean infall velocity of 0.5 km/s with an infall mass rate of 5x10^-3 Solar masses per year was obtained. Also, a p…

astro-ph.CO2010★ 25 cited

COLA III. Radio Detection of AGN in Compact Moderate Luminosity Infra-Red Galaxies

R. Parra, J. E. Conway, S. Aalto +4

We present results from 4.8 GHz VLA and Global-VLBI observations of the northern half of the moderate FIR luminosity (median L_IR = 10^11.01 L_Sol) COLA sample of star-forming gala…

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