Gaia EDR3 confirms that Westerlund 1 is closer and older than previously thought

Mojgan Aghakhanloo, Jeremiah W. Murphy, Nathan Smith +6

Using {\it Gaia} Early Data Release 3 (EDR3) parallaxes and Bayesian inference, we infer a parallax of the Westerlund 1 (Wd1) cluster. We find a parallax of $0.34\pm 0.05$ mas cor…