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Galaxies SIG Seminar

Galaxies Science Interest Group

DATE

May 01, 2024

TIME

1:00pm

COMMUNITY

Galaxies SIG

TYPE

Seminar

Dwarf Galaxies: Yesterday, Now, and Tomorrow

Burçin Mutlu-Pakdil

I will review the revolution that has unfolded over the last 20 years in the search for the satellites in the Local Group and beyond thanks to a flurry of large photometric surveys with which we can unveil dwarf galaxies of incredibly low luminosity. The discovery and characterization of these smallest galaxies have pushed the edges of observational endeavors and theoretical advancements alike, reshaping our understanding of galaxy formation and dark matter. I will quickly review these exciting results, discuss what will be possible in dwarf galaxy studies over the next decade, and conclude with the potential role of HWO in furthering these scientific endeavors.

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An illustration of Sun-like star HD 181327 and its surrounding debris disk. The star is at top right. It is surrounded by a far larger debris disk that forms an incomplete ellpitical path and is cut off at right. There’s a huge cavity between the star and the disk. The debris disk is shown in shades of light gray. Toward the top and left, there are finer, more discrete points in a range of sizes. The disk appears hazier and smokier at the bottom. The star is bright white at center, with a hazy blue region around it. The background of space is black. The label Artist's Concept appears at lower left.