Uploaded October 2019 | Updated September 2026, 2 weeks ago

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231st Meeting of the American Astronomical Society, Washington, DC
Tuesday, 9 January 2018, 2:15 pm EST

Welcome
Rick Fienberg (AAS Press Officer)

Time-Resolved Spectroscopy of Cepheid Variable Stars
Katherine Hartman (Pomona College) & Rachael Beaton (Princeton University)

The More the Metals, the Closer the Planet
Robert F. Wilson (University of Virginia)

Measuring the Masses of Supermassive Black Holes
Catherine Grier (Pennsylvania State University)

Supermassive Black Holes Bully Even the Smallest Galaxies
Karen Masters (Haverford College / University of Portsmouth)