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J. Roland

5 papers hereh-index 7229 citations29 works total

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

author position
  • sole author1
  • first author2
  • last author2

Across the 5 of 5 papers where every author was matched, so the position is known.

fields
  • astro-ph.HE3
  • astro-ph1
  • astro-ph.GA1
same name
  • J. Roland — 35 papers, h 21
  • J. Roland — 4 papers, h 4
  • J. Roland — 2 papers, h 5
  • J. Roland — 1 paper
  • J. Roland — 1 paper, h 2

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
20042014
most citedA supermassive binary black hole in the quasar 3C345

123 citations · 164 across the 5 of their papers we have counts for

collaborators
Showing 2014Show all

3 papers · 1 filter

astro-ph.GA2014★ 10 cited

Structure of the nucleus of 1928+738

J. Roland, S. Britzen, E. Kun +3

Modeling of the trajectories of VLBI components ejected by the nucleus of 1928+738 shows the VLBI jet contains three families of trajectories, i.e. VLBI components are ejected from…

astro-ph.HE2014★ 6 cited

Kinematic study of the parsec-scale jet of the quasar PKS 1741--03

Anderson Caproni, Iara Tosta e Melo, Zulema Abraham +2

We present 23 interferometric images of parsec-scale jet of the quasar PKS 1741--03 at 15, 24 and 43 GHz spanning about 13 yr. We model the images as a superposition of discrete tw…

astro-ph.HE2014

Radio quasars and the link with GAIA

J. Roland

Modeling VLBI ejections of nuclei of extragalactic radio sources, indicates that their nuclei contain a binary black hole system. One can derive the distance and the positions of t…

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