David Spergel

@DavidSpergel

Astrophysicist at Princeton University and Flatiron Institute

Princeton NJ
Vrijeme pridruživanja: siječanj 2014.

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  1. 2. velj

    As a 19 year old working with James Binney, the beauty of Galactic Dynamics lured me into astrophysics. With GAIA tracing orbits of billions of stars, now is the most exciting time to be dynamicist. Join us in NYC for our summer school!

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  2. 30. sij

    Elena Massara led our effort to show that by weighting low density regions with a marked power spectrum, surveys can yield new insights into neutrinos and dark energy

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    29. sij

    New paper! In work led by Dan Gole, we find that modest levels of protoplanetary disk turbulence stop solids from collapsing into planetesimals. We think turbulence is strong close to the star, so this may hinder in situ formation of close-in exoplanets.

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  4. 28. sij
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  5. 28. sij

    Congratulations to Michael Freilich whose contributions to Earth Sciences is being recognized by ESA naming Sentinel-6. Pleasure working with Michael at SSB and watching his leadership at NASA

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    27. sij

    “I think and hope that this inspires everyone to believe that seemingly impossible things can be done.” – scientist and collaboration member Bart Ripperda on the int'l collaboration being awarded the 2020 Einstein Medal.

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    24. sij

    Congratulations to Elias Most, Chris Duckworth, Dongwon Han, Iryna Butsky, Tsz Kuk Daisy Leung and Lily Zhao for completing the CCA Pre-Doctoral Fellowship program!

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  8. 21. sij

    Movie Night! Behind the Curve provides a peek into the world of Flat Earthers. In the film, proponents share their reasoning and discuss their experimental approaches to proving their world view. Scientists give their take on the flat Earth conspiracy.

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    21. sij

    Time to fly back home and do more science at . 2020 starts off with an amazing experience, beautiful place, and lot of fun. Seeing and was priceless. I will be back for !

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  10. 21. sij

    Graduate students studying dynamics and galactic structure: spend the summer in NYC at the CCA summer school. Applications due Feb 15:

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    18. sij

    Lily Zhao (Yale) explained spectroscopic hardware and calibration to the whole yesterday. She’s got the best calibration for any spectrograph ever (I think!!).

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    19. sij

    The planet formation group is exploring different approaches to understand how small solid particles grow in turbulent protoplanetary disks. Dan Gole uses direct simulations, at resolutions up to 512^2 x 2048, to study planetesimal formation.

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  13. 16. sij

    Time to say farewell to one of the great observatories, the Spitzer Space Telescope. Like its namesake, Lyman Spitzer, the telescope has taught us so much about the universe. Congratulations to all who made this mission a tremendous success.

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    8. sij
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    7. sij

    A cluster of newborn stars was found on the outskirts of the Milky Way by 's Adrian Price-Whelan () & colleagues. Presented today at . The gif shows position of the stars relative to our galaxy & the Magellanic Clouds. For more

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  16. 6. sij

    Katerina Chatziioannou, scientist, reports LIGO's detection of , the merger of massive neutron stars at the AAS meeting. See for details

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  17. 6. sij

    Hubble images have shaped our view of. the universe. WFIRST images will be 100x bigger! 50 million stars in Andromeda in. a single observation.

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    5. sij

    At Jan 7th I’ll present a poster on normalizing flows for learning flexible and scalable color-magnitude diagrams from noisy parallax and photometry data. Work with , Lauren Anderson, , . Paper here:

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  19. 5. sij

    AAS attendees: check out this Lucas' poster on using his senior thesis work using deep learning to analyze 21cm data

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    3. sij

    Reminder: We are running an Applied Galactic Dynamics school this July at the Applications are due by 15 Feb 2020!

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