Gaia-HELIX is a new catalogue of 28,394 bona-fide Hα emitters identified in Gaia DR3 XP spectra, after removing 95% of initial candidates that were M-type star mimics.
@doi [ ] 10.1093/mnras/staa1148, https://ui.adsabs.harvard.edu/abs/2020MNRAS.495..321P 495
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Nominal RUWE thresholds of 1.15 (DR4) and 1.11 (DR5) derived from Gaia Universe Model simulations increase detectable short-period binaries by 5-10% and long-period systems by 10-20%.
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XP-TEAL: Gaia XP Tool for Emission and Absorption Lines II. Gaia-HELIX catalogue of H$\alpha$ emitters in Gaia BP/RP spectra
Gaia-HELIX is a new catalogue of 28,394 bona-fide Hα emitters identified in Gaia DR3 XP spectra, after removing 95% of initial candidates that were M-type star mimics.
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Nominal thresholds for good astrometric fits, and prospects for binary detectability, for the full extended Gaia mission
Nominal RUWE thresholds of 1.15 (DR4) and 1.11 (DR5) derived from Gaia Universe Model simulations increase detectable short-period binaries by 5-10% and long-period systems by 10-20%.