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researcher

G. Umana

114 papers hereh-index 312.9k citations186 works total

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

author position
  • first author3
  • middle author60
  • last author6

Across the 69 of 114 papers where every author was matched, so the position is known.

fields
  • astro-ph.SR38
  • astro-ph29
  • astro-ph.HE18
  • astro-ph.GA16
  • astro-ph.CO6
  • astro-ph.IM6
same name
  • G. Umana — 66 papers, h 60
  • G. Umana — 17 papers
  • G. Umana — 14 papers, h 6
  • G. Umana — 7 papers, h 2
  • G. Umana — 7 papers, h 3
  • G. Umana — 5 papers, h 8

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
20002025
most citedA change in the optical polarization associated with a gamma-ray flare in the blazar 3C 279

334 citations · 3.9k across the 113 of their papers we have counts for

collaborators
Showing 2022Show all

3 papers · 1 filter

astro-ph.GA2022★ 9 cited

First detection of silicon-bearing molecules in η Car

C. Bordiu, J. R. Rizzo, F. Bufano +11

We present ALMA band 6 observations of the luminous blue variable Eta Car, obtained within the ALMAGAL program. We report SiO J=5-4, SiS J=12-11 and SiN N=5-4 emission in the equat…

astro-ph.SR2022★ 5 cited

Discovery and origin of the radio emission from the multiple stellar system KQVel

P. Leto, L. M. Oskinova, C. S. Buemi +20

KQVel is a binary system composed of a slowly rotating magnetic Ap star with a companion of unknown nature. In this paper, we report the detection of its radio emission. We conduct…

astro-ph.HE2022★ 36 cited

Mysterious Odd Radio Circle near the Large Magellanic Cloud -- An Intergalactic Supernova Remnant?

Miroslav D. Filipović, J. L. Payne, R. Z. E. Alsaberi +48

We report the discovery of J0624-6948, a low-surface brightness radio ring, lying between the Galactic Plane and the Large Magellanic Cloud (LMC). It was first detected at 888 MHz…

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