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Composite HST image of Triangulum galaxy compared to distributions of old and young stars.
January 10, 2023
The Panchromatic Hubble Andromeda Treasury Triangulum Extended Region — or PHATTER — survey has given astrophysicists an in-depth look at the Triangulum galaxy in different wavelength filters. Dr. Adam Smercina reveals the surprising discovery that the old and young stars trace form structures within the galaxyFeatured on UW News 
The star Gaia17bpp, circled in red, as shown by the Pan-STARRS1 and DSS missions.
January 10, 2023
During the 241st AAS, graduate student Anastasios Tzanidakis announced the results from investigating Gaia17bpp — a star that had gradually brightened for 2.5 years. He believes the star is part of an exceptionally rate type of binary star system.Featured on CNN 
An artistic rending of the star Gaia17bpp being partially eclipsed by the dust cloud surrounding a smaller companion star.
January 9, 2023
Graduate student Anastasios Tzanidakis and Research professor James Davenport have discovered a rare type of binary star system, which exhibits eclipses lasting nearly 7 years. Featured on UW News 
JWST images comparing the distribution of hot gas and molecular outflows from the central stars in ehe Southern Ring Nebula
December 8, 2022
In a study to be published in Nature Astronomy, an international research team, which includes UW Astronomy's Professor Bruce Balick, analyzed 10 highly detailed exposures taken by the JWST of the Southern Ring Nebula. Their calculations show the central star that ejected the expanding nebula gas was originally three times the mass of the sun, and that unseen companions shaped the nebula’s intricate features. This analysis utilizes some of the first data... Read more
James Davenport (standing), associate director of the DiRAC Institute, meeting with the 2022 DiRAC Summer Research Prize recipients.
December 1, 2022
Astronomers at the UW’s Astronomy Department and DiRAC Institute have been preparing for a flood of data from the upcoming Rubin Observatory. Thanks to support from our community, undergrads have joined the effort in a new Summer Research Prize program. Read the full article in the UW Arts and Sciences Perspectives Newsletter.
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November 7, 2022
As artificial satellites continue to plague the night sky, a new prototype may outshine Jupiter. These objects pose a threat to the upcoming Vera Rubin Observatory; work-arounds risk choking the entire observation pipeline, finds Dr. Meredith Rawls. Featured in Scientific American.

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