Le 24 novembre 2017
De 10h30 à 12h00

Giacomo Monari AIP Potsdam

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SDSS V: Pioneering Panoptic Spectroscopy

Le 20 octobre 2017
De 10h30 à 12h00

Hans-Walter Rix

MPIA Heidelberg

SDSS V will be an unprecedented all-sky, multi-epoch spectroscopic survey of over six million objects. It is designed to decode the history of the Milky Way galaxy, trace the emergence of the chemical elements, reveal the inner workings of stars, and investigate the origin of planets, and understand the growth mechanisms of supermassive black holes. It will also create a contiguous spectroscopic map of the interstellar gas in the Milky Way and nearby galaxies that is 1,000 times larger than the state of the art; this can uncover the self-regulation mechanisms of our Galactic ecosystem.

It will pioneer systematic, spectroscopic monitoring across the whole sky, revealing spectral changes on timescales from 20 minutes to 20 years. SDSS V will accomplish its high survey speed, covering the entire sky repeatedly, by a combination of dual-hemispheres wide-field telescopes and a focus on bright objects, matched to Gaia, Kepler, TESS and also eROSITA.

I will tell you about the status, the scientific potential and the practical challenges of this recently initiated project, planned to start surveying in 2020, and still building its consortium of partner institutions.

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