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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 2023 · astro-ph.GAShow all

3 papers · 2 filters

astro-ph.GA2023★ 17 cited

ED-2: a cold but not so narrow stellar stream crossing the Solar neighbourhood

E. Balbinot, A. Helmi, T. Callingham +3

ED-2 is a stellar stream identified as a compact group in integrals of motion space in a local sample of halo stars from the third Gaia data release. Here we investigate its nature…

astro-ph.GA2023★ 22 cited

A 3D view of dwarf galaxies with Gaia and VLT/FLAMES I. The Sculptor dwarf spheroidal

Eline Tolstoy, Ása Skúladóttir, Giuseppina Battaglia +12

We present a new homogeneous survey of VLT/FLAMES LR8 line-of-sight radial velocities (vlos) for 1604 resolved red giant branch stars in the Sculptor dwarf spheroidal galaxy. In ad…

astro-ph.GA2023★ 10 cited

Hidden deep in the halo: selection of a reduced proper motion halo catalogue and mining retrograde streams in the velocity space

Akshara Viswanathan, Else Starkenburg, Helmer H. Koppelman +3

The Milky Way halo is one of the few galactic haloes that provides a unique insight into galaxy formation by resolved stellar populations. Here, we present a catalogue of ∼47…

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