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A. Helmi

206 papers hereh-index 8440.8k citations386 works total

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

author position
  • sole author5
  • first author18
  • middle author103
  • last author43

Across the 169 of 206 papers where every author was matched, so the position is known.

fields
  • astro-ph.GA114
  • astro-ph48
  • astro-ph.SR18
  • astro-ph.CO14
  • astro-ph.IM9
  • gr-qc2
same name
  • A. Helmi — 18 papers, h 7
  • A. Helmi — 13 papers, h 3
  • A. Helmi — 13 papers, h 12
  • A. Helmi — 7 papers, h 1
  • A. Helmi — 4 papers
  • A. Helmi — 2 papers, 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
19972023
most citedGaia Data Release 2. Summary of the contents and survey properties

8.6k citations · 33.3k across the 206 of their papers we have counts for

collaborators
Showing 2005 · astro-phShow all

3 papers · 2 filters

astro-ph2005★ 287 cited

The radial velocity dispersion profile of the Galactic halo: Constraining the density profile of the dark halo of the Milky Way

G. Battaglia, A. Helmi, H. Morrison +6

We have compiled a new sample of 240 halo objects with accurate distance and radial velocity measurements, including globular clusters, satellite galaxies, field blue horizontal br…

astro-ph2005★ 71 cited

Spectroscopic Survey of the Galaxy with Gaia II. The expected science yield from the Radial Velocity Spectrometer

M. I. Wilkinson, A. Vallenari, C. Turon +21

The Gaia mission is designed as a Galaxy explorer, and will measure simultaneously, in a survey mode, the five or six phase space parameters of all stars brighter than 20th magnitu…

astro-ph2005★ 182 cited

Pieces of the puzzle: Ancient substructure in the Galactic disk

Amina Helmi, J. F. Navarro, B. Nordstrom +3

We search for signatures of past accretion events in the Milky Way in the recently published catalogue by Nordstrom et al.(2004), containing accurate spatial and kinematic informat…

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