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Sam Walker

6 papers hereh-index 235 citations6 works total

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

author position
  • first author2
  • middle author4

Across the 6 of 6 papers where every author was matched, so the position is known.

fields
  • astro-ph.EP3
  • astro-ph.SR3

identity via Semantic Scholar / OpenAlex

activity
20232026
most citedValidation of elemental and isotopic abundances in late-M spectral types with the benchmark HIP 55507 AB system

3 citations · 5 across the 6 of their papers we have counts for

collaborators
Showing astro-ph.EPShow all

3 papers · 1 filter

astro-ph.EP2026

The γ Cephei System: Updated Orbits, Dynamical Architecture, and Limits on Additional Companions

Judah Van Zandt, Brendan P. Bowler, Michael Endl +18

The γ Cephei system hosts one of the first exoplanets discovered and is orbited by one of the closest known stellar companions to a planet-hosting star. Here, we derive updated o…

astro-ph.EP2026

Keck Observations in the INfrared of Taurus and ρ Oph Exoplanets And Ultracool dwarfs (KOINTREAU) II: Two Young Bound Companions to Ophiuchus Stars

Samuel Walker, Michael C. Liu, Dimitri Mawet +4

We present the second set of discoveries from Keck Observations in the INfrared of Taurus and ρ Oph Exoplanets And Ultracool dwarfs (KOINTREAU), an adaptive optics survey of youn…

astro-ph.EP2025★ 2 cited

Keck Observations in the INfrared of Taurus and ρ Oph Exoplanets And Ultracool dwarfs (KOINTREAU) I: A Planetary-Mass Companion and a Disk-Obscured Stellar Companion Discovered in Taurus

Samuel A. U. Walker, Michael C. Liu, Dimitri Mawet +10

We present the first discoveries from Keck Observations in the INfrared of Taurus and ρ Oph Exoplanets And Ultracool dwarfs (KOINTREAU), an adaptive optics imaging survey of youn…

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