Gaia tagged posts

MAS January Meeting

Searching for Exoplanets Born Outside the Milky Way

MAS January 2024 Meeting - Bob Aloisi

Over 5500 exoplanets have been found orbiting stars in the Milky Way, with projections that most stars host planets. This poses the question of whether planets also exist orbiting the remnant stars of smaller dwarf galaxies that merged with the Milky Way, and if so, how do they differ from their Milky Way counterparts? VOYAGERS Views of Yore – Ancient Gaia-Enceladus Exoplanet Revealing Survey is a radial velocity search using precision spectrographs to find exoplanets orbiting low metallicity ([Fe/H] from -2.8 to -0.x, Vmag 8 to 10 stars born in the dwarf galaxy Enceladus, which merged with the Milky Way galaxy about 10 Gyr ago...

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