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Z. Hartman

26 papers hereh-index 9272 citations39 works total

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

author position
  • first author4
  • middle author16
  • last author2

Across the 22 of 26 papers where every author was matched, so the position is known.

fields
  • astro-ph.SR14
  • astro-ph.EP7
  • astro-ph.GA2
  • astro-ph.IM2
  • astro-ph.HE1

identity via Semantic Scholar / OpenAlex

activity
20202026
most citedSpeckle Observations of TESS Exoplanet Host Stars. II. Stellar Companions at 1-1000 AU and Implications for Small Planet Detection

89 citations · 331 across the 26 of their papers we have counts for

collaborators
Showing 2024Show all

3 papers · 1 filter

astro-ph.EP2024★ 1 cited

GJ 238 b: A 0.57 Earth Radius Planet Orbiting an M2.5 Dwarf Star at 15.2 pc

Evan Tey, Avi Shporer, Zifan Lin +30

We report the discovery of the transiting planet GJ 238 b, with a radius of 0.566±0.014 R⊕​ (1.064±0.026 times the radius of Mars) and an orbital period of 1.74 da…

astro-ph.SR2024

Detecting New Visual Binaries in Gaia DR3 with Gaia and Two Micron All Sky Survey (2MASS) Photometry II. Speckle Observations of 16 Low-Separation Systems

Ilija Medan, Sébastien Lépine, Zachary Hartman +1

Here we present speckle observations of 16 low-separation (s<30 AU) high probability candidate binaries from the catalog by Medan et al., where secondaries typically lack astrome…

astro-ph.SR2024

The POKEMON Speckle Survey of Nearby M Dwarfs. III. The Stellar Multiplicity Rate of M Dwarfs within 15 pc

Catherine A. Clark, Gerard T. van Belle, Elliott P. Horch +8

M dwarfs are ubiquitous in our galaxy, and the rate at which they host stellar companions, and the properties of these companions, provides a window into the formation and evolutio…

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