Search Results for author: Kareem El-Badry

Found 2 papers, 1 papers with code

A million binaries from Gaia eDR3: sample selection and validation of Gaia parallax uncertainties

no code implementations13 Jan 2021 Kareem El-Badry, Hans-Walter Rix, Tyler M. Heintz

The underestimates are generally $\le 30\%$ for isolated sources with well-behaved astrometry, but are larger (up to 80%) for apparently well-behaved sources with a companion within $\lesssim 4$ arcsec, and much larger for sources with poor astrometric fits.

Solar and Stellar Astrophysics Astrophysics of Galaxies

Imprints of white dwarf recoil in the separation distribution of Gaia wide binaries

1 code implementation16 Jul 2018 Kareem El-Badry, Hans-Walter Rix

We construct from Gaia DR2 an extensive and very pure ($\lesssim 0. 2\%$ contamination) catalog of wide binaries containing main-sequence (MS) and white dwarf (WD) components within 200 pc of the Sun.

Solar and Stellar Astrophysics Astrophysics of Galaxies

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