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The telescope that keeps on giving

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If you have a question about this talk, please contact Tobias Baldauf.

Sloan Digital Sky Survey (SDSS) has been one of the most successful astronomical projects ever, producing excellent science for nearly two decades. I will discuss preliminary results from the eBOSS, a part of SDSS IV : the first measurement of BAO at z=1.5 using quasars and updated results on Lyman-alpha BAO at z=2.3. I will comment on the ongoing discrepancy with distance ladder H0 measurements. Next I will discuss more speculative ways of using data to detect diffuse emission in the Lyman-alpha line, both a published result using spectroscopic data and attempts to do the same using photometric data.

This talk is part of the Cosmology Lunch series.

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