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The Amateur Telescope Makers of Boston business meeting and presentation.

Looking into the First Billion Years with JWST — Professor Daniel Eisenstein

Our Speaker will be Daniel Eisenstein, Astrophysicist & Cosmologist, Professor of Astronomy (former Chair) at Harvard University.

The James Webb Space Telescope (JWST) is giving us an unprecedented view into the early phases of galaxy formation. Professor Eisenstein will review the motivations for why a large cold infrared-optimized telescope in space has been the dream of extragalactic astronomers for 25 years and will give a tour of some of the data. He will then describe the discovery and confirmation of the earliest known galaxies with the JWST Advanced Deep Extragalactic Survey and how these discoveries are changing our views of the formation of galaxies.

Daniel Eisenstein is the Paul C. Mangelsdorf Professor of Astronomy at Harvard University and one of the world’s leading observational cosmologists. His research focuses on understanding the large-scale structure of the universe and the nature of dark energy. Professor Eisenstein played a foundational role in establishing baryon acoustic oscillations as a powerful tool for measuring the expansion history of the universe. His work helped turn subtle patterns in the distribution of galaxies into one of the most precise “standard rulers” in modern cosmology. He has led several of the largest astronomical collaborations of our time, serving as Director of Sloan Digital Sky Survey III and more recently as the spokesperson for the Dark Energy Spectroscopic Instrument, which is now creating the most detailed three-dimensional map of the cosmos ever assembled. Professor Eisenstein also plays a leading role in the JWST Advanced Deep Extragalactic Survey, or JADES, using the James Webb Space Telescope to study the earliest galaxies formed after the Big Bang. In addition, he serves on the Board of Directors of the Giant Magellan Telescope. His contributions have been recognized with the Shaw Prize, and he was elected to the U.S. National Academy of Sciences in 2014. He recently completed his term as Chair of the Harvard Department of Astronomy.