Event Details:
Location
Speaker: Doug Finkbeiner (Harvard) In Person and zoom
Zoom Recording Passcode: DF8&fcCk
Understanding the 3-D positions and motions of stars and dust in the Milky Way is a prerequisite for many astronomical analyses, but it is challenging. Recent data from Gaia, SDSS-APOGEE, and the Finkbeiner Group's own 3.3 billion star DECaPS survey have allowed us to make such maps in ever greater detail. Absorption of light from the stars not only reveals the locations of clouds, but the Diffuse Interstellar Band (DIB) absorption provides cloud velocities with an error floor of ~3 km/s. Upcoming surveys from Roman, SPHEREx, and LSST will provide another leap forward. I will show our latest data products (including a 3-D dust map with 1 arcminute angular resolution!) and describe what we can hope to see in the next few years.
Related Topics
Explore More Events
Astrophysics Colloquium: Constraining the nature of dark matter with strong gravitational lensing
Anna Nierenberg (UC Merced)Campus, PAB 102/103-Campus, PAB 102/103KIPAC Tea Talk: Universal Features of Magnetic Fields Near Kerr Black Holes / Backlighting the Cosmic Web with Fast Radio Bursts: First Measurements and Constraints
Zack Gelles (Princeton University) / Kritti Sharma (Caltech)SLAC, Kavli 3rd Floor Conf. Room-SLAC, Kavli 3rd Floor Conf. Room