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Show & Tell: Gaia DR2

Show & Tell: Gaia DR2

A summary of cool results and findings from recent papers, chosen from neat things I found on Twitter in the past month.

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James Davenport

May 29, 2018
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Transcript

  1. Show & Tell Gaia DR2 James R. A. Davenport NSF

    Astronomy & Astrophysics Postdoctoral Fellow, Western Washington University DIRAC Fellow, University of Washington jradavenport UNIVERSITY OF WASHINGTON
  2. jradavenport

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  6. SO many papers to read Here’s just the “official” ones

    https://www.cosmos.esa.int/web/gaia/dr2-papers jradavenport jradavenport
  7. The Gaia DR2 Color-Mag Diagram! https://arxiv.org/abs/1804.09378 jradavenport

  8. 100 pc sample https://arxiv.org/abs/1804.09378 jradavenport

  9. 100 pc sample BINARY STARS! https://arxiv.org/abs/1804.09378 jradavenport

  10. Open Globular Benchmark Clusters https://arxiv.org/abs/1804.09378 jradavenport

  11. https://arxiv.org/abs/1804.09378 jradavenport

  12. White Dwarf sequences https://arxiv.org/abs/1804.09378 jradavenport

  13. White Dwarf sequences Binaries! https://arxiv.org/abs/1804.09378 jradavenport

  14. From Adrian Price-Whelan A ~100Myr cluster
 25 kpc away (!)

    in LMC leading-edge gas stream jradavenport
  15. https://arxiv.org/abs/1805.05849 White Dwarfs: Initial vs Final mass, testing cooling curves,


    inferring Star Formation History…? jradavenport
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  17. M31 jradavenport

  18. https://arxiv.org/abs/1805.04079 M31 M33 Candidate members High quality members jradavenport

  19. https://arxiv.org/abs/1805.08277 Runaway stars from star forming region jradavenport

  20. https://arxiv.org/abs/1805.08023 PanSTARRS image Nearby microlensing jradavenport

  21. https://arxiv.org/abs/1805.07581 Circle size: “impulse” future past Gl710 Passes within 10,700–17,400

    AU 
 in 1.2Myr jradavenport
  22. https://arxiv.org/abs/1805.03653 Known clusters/moving groups New structures! jradavenport

  23. https://arxiv.org/abs/1805.08726 New open clusters: tracing the spiral arms! jradavenport

  24. https://arxiv.org/abs/1804.11339 New Milky Way streams! (some known, some new, some

    artifacts of Gaia systematics) jradavenport
  25. Red Clump stars: Substructures from 
 streams… or arms?! From

    Adrian Price-Whelan jradavenport
  26. https://arxiv.org/abs/1805.02588 Fermi sources: not DM jradavenport

  27. https://arxiv.org/abs/1805.07359 Improved mass-models for lensed QSOs jradavenport

  28. jradavenport SETI work: Searching for Dyson Spheres

  29. Improved planet radii (via improved stellar radii) https://arxiv.org/abs/1805.00231 Gap is

    still there! jradavenport
  30. The Kepler field jradavenport

  31. The Kepler field Superflare stars jradavenport

  32. The Kepler field Rotating stars (30k) jradavenport

  33. The Kepler field Exoplanet hosts (w/ rotation periods) Many are

    NOT single main-seq dwarfs jradavenport
  34. Ideas?! gaia.lol We’re hosting a sprint: June 4-8 jradavenport •

    Gaia + ZTF (or PTF) • Gaia + Kepler/K2 • Gaia + SDSS • Globular cluster dynamics • Binary stars • Exoplanet hosts • “Planet 9” • asteroids/solar system bodies • Star formation history from CMD • …