Receiver Lab Talks: 2026
Questions: Edward Tong
Time: Thursday 12:00 PM EST/EDT
Where: M-340/Zoom
| Date | Speaker | Title | Summary |
|---|---|---|---|
| Jan. 29 | Mark Reid CfA |
Mapping the Mily Way in 3D | The Bar and Spiral Structure Legacy (BeSSeL) Survey uses Very Long Baseline Interferometry to provide trigonometric parallax measurements for massive, young stars across the entire Milky Way. We have measured about 200 parallaxes with precision of order +/-10 microarcseconds. These accurately trace the spiral structure of the Milky Way, and allow estimation of the distance to its center, its rotation curve, and the location of the Sun. Also, we have developed a Bayesian approach to leverage these results to estimate distances to thousands of sources from surveys based only on Galactic coordinates and LSR velocities. Using this program we can make a realistic visualization of the Milky Way. |
Previous presentations available here:
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