Jessica Lu
@jluastro.bsky.social
Astrophysicist, Associate Professor @UCBerkeley. Interested in black holes, stars, galactic centers, astronomy instrumentation, adaptive optics.
It is being implemented as we speak. Voluntary at first (incentivized retirements/early leave) and later, layoffs. If we do nothing, we will lose half of NASA Goddard (and most likely all of NASA).
June 22, 2025 at 1:34 AM
It is being implemented as we speak. Voluntary at first (incentivized retirements/early leave) and later, layoffs. If we do nothing, we will lose half of NASA Goddard (and most likely all of NASA).
Friend of mine owns and spouse is chef at Gris-Gris: grisgrisnola.com (not in French Quarter).
December 27, 2023 at 3:58 PM
Friend of mine owns and spouse is chef at Gris-Gris: grisgrisnola.com (not in French Quarter).
First author, Casey Lam, put together the known population of Milky Way black holes:
August 9, 2023 at 9:18 PM
First author, Casey Lam, put together the known population of Milky Way black holes:
The young stars orbiting the supermassive black hole probably formed in a complex dynamical structure... not just a vanilla "ball of gas".
July 5, 2023 at 7:16 PM
The young stars orbiting the supermassive black hole probably formed in a complex dynamical structure... not just a vanilla "ball of gas".
And the structure looks asymmetric. That means there are more stars on one side of the orbital plane than another. This makes us think it is not a plane so much as a stream of stars perhaps recently disrupted.
July 5, 2023 at 7:15 PM
And the structure looks asymmetric. That means there are more stars on one side of the orbital plane than another. This makes us think it is not a plane so much as a stream of stars perhaps recently disrupted.
This Plane 2 structure might be associated with some stars in the IRS 13 clump of stars:
July 5, 2023 at 7:14 PM
This Plane 2 structure might be associated with some stars in the IRS 13 clump of stars:
We have known for sometime that the young stars' orbits aren't randomly distributed. There is a preferred disk of young stars that contains 20-30% of the young stars in the region. But, in our new paper, we have found a second structure!
July 5, 2023 at 7:13 PM
We have known for sometime that the young stars' orbits aren't randomly distributed. There is a preferred disk of young stars that contains 20-30% of the young stars in the region. But, in our new paper, we have found a second structure!
In Jia, Xu, Lu, et al. we present a study of the dynamics of young stars orbiting around the supermassive black hole at the Galactic Center: https://iopscience.iop.org/article/10.3847/1538-4357/acb939/pdf
July 5, 2023 at 7:12 PM
In Jia, Xu, Lu, et al. we present a study of the dynamics of young stars orbiting around the supermassive black hole at the Galactic Center: https://iopscience.iop.org/article/10.3847/1538-4357/acb939/pdf