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Uncovering the ancient central Milky Way with the Pristine Inner Galaxy Survey (PIGS)

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If you have a question about this talk, please contact Hannah Uebler .

The oldest, most metal-poor stars in the Milky Way today were born in pristine environments in the early Universe, and contain unique clues about the First Stars and early galaxy formation. We typically search for metal-poor stars in the Galactic halo, but the inner region overlapping with the Galactic bulge has often been avoided — it is challenging to identify metal-poor stars in this dusty, crowded area of the sky. I will present recent results from the Pristine Inner Galaxy Survey (PIGS), which been very efficient at uncovering metal-poor stars in the bulge region. I will discuss the kinematics of the metal-poor inner Galaxy stars, and what we can learn from them about the ancient Milky Way.

This talk is part of the Institute of Astronomy Seminars series.

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