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Updates on Kepler and K2

Tom Barclay
September 11, 2016

Updates on Kepler and K2

An invited talk I gave at a conference on Understanding the roles of rotation, pulsation and chemical peculiarities in the upper main sequence, in the Lake District, UK.

Tom Barclay

September 11, 2016
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  1. Updates from Kepler and K2 Tom Barclay NASA Ames Research

    Center September 12, 2016
  2. Exoplanet Detections, 1995-2009 Radius Relative to Earth Orbital Period in

    days Earth Jupiter
  3. Exoplanet Discoveries to Date Coughlin et al. 2015

  4. Confirmed Kepler/K2 Planets: dynamical Coughlin et al. 2015 Q1-Q17 DR24

    SOC 9.2 K2 Candidates Kepler Candidates Non-Kepler Kepler/K2 Confirmed
  5. Confirmed Planets: dynamical + statistical Coughlin et al. 2015 Q1-Q17

    DR24 SOC 9.2 K2 Candidates Kepler Candidates Non-Kepler Kepler/K2 Confirmed
  6. 0 0.05 0.1 0.15 0.2 0.25 0.3 0.35 0.4 0.5-0.7

    0.7 - 1 1 – 1.4 1.4 - 2 2 – 2.8 2.8 - 4 4 – 5.7 5.7 - 8 8 - 11 11 - 16 16 - 23 Planet Size (Earth=1) Fraction Observed Sizes not seen in our Solar System 55 165 381 520 567 268 94 54 53 39 17
  7. 0 0.05 0.1 0.15 0.2 0.25 0.3 0.35 0.4 1

    – 1.4 1.4 - 2 2 – 2.8 2.8 - 4 4 – 5.7 5.7 - 8 8 - 11 11 - 16 16 - 23 Planet Size (Earth=1) Fraction Observed Sizes not seen in our Solar System
  8. 0 0.05 0.1 0.15 0.2 0.25 0.3 0.35 0.4 Sizes

    not seen in our Solar System 1 – 1.4 1.4 - 2 2 – 2.8 2.8 - 4 4 – 5.7 5.7 - 8 8 - 11 11 - 16 16 - 23 Planet Size (Earth=1) Average Number of Planets per Star
  9. Confirmed Habitable Zone Planets New validations from Morton et al.

    2016 ApJ 822 86
  10. Small planets are more abundant around small stars Mulders et

    al. 2014
  11. Systematic Errors vs. Statistical Errors Burke et al. 2015 ApJ

    809 8
  12. Balancing Solar Pressure Top-down view

  13. K2 Precision is Comparable to Kepler Prime Adapted from Vanderburg

    et al. 2015
  14. Kepler prime versus K2 target stars Huber et al. 2016,

    ApJS 224 2 41% K&M dwarfs 16% K&M dwarfs
  15. K2 Senior Review Results • K2 ranked Excellent in all

    three categories - synergies between K2 and Spitzer were emphasized • Funding recommended in FY 17/18/19 - through end of the operating lifetime (~mid-2018) • "...with a very efficient GO program, the project includes worldwide participation covering every continent except Antarctica. The GO program is recognized as a major reason for the wealth of new scientific results." K2-south?
  16. K2 Recent Challenges • We went into Emergency Mode at

    the beginning of C9 • We lost another CCD module but still have 18 of 21 remaining
  17. Current Status Senior Review 2014 Senior Review 2016 Data Available

    In Progress Cycle 5 Supernova-focused
  18. Current Status Senior Review 2014 Senior Review 2016 Data Available

    In Progress Cycle 5 Supernova-focused
  19. Upcoming Deadlines • Campaign 14, 15, 16 (Cycle 5) -

    Step-1 Nov 3 - Step-2 Dec 15 • Directors Discretionary Targets Program - Campaign 13 targets due Nov 10
  20. Kepler Search Space: 3000 light-years 0.25% of the sky K2

    600 light-years 4% of sky
  21. Finding Exoplanet Targets for Followup

  22. Exoplanet Discoveries to Date Coughlin et al. 2015 Q1-Q17 DR24

    SOC 9.2 K2 Candidates
  23. Kruse, Agol, & team; from Exo-I, Davos More Soon!

  24. 24 • K2-42: four planets with 1.2-1.5 Earth radii and

    orbital periods 5-25 days • Two planets in the Habitable Zone! • In Campaign 12, K2 will observe TRAPPIST-1, which has five Earth-size planets orbiting a M8 V star ~30 LY away New Multi-Planet Systems
  25. None
  26. None
  27. Finding Exoplanet Targets for Followup

  28. Finding Exoplanet Targets for Followup

  29. 29 Disintegrating Planets • WD 1145+017 - disintegrating planets or

    planetesimals in orbit around a white dwarf star • Four disintegrating transiting systems known, 3 discovered with K2
  30. Completing the Exoplanet Census

  31. 9

  32. Earth Kepler Spitzer View from above on 15 May 2016

    0.8 AU Sun
  33. Earth Kepler Spitzer View from above on 15 May 2016

    Sun “Forward facing”
 (+ Velocity Vector) Bulge
  34. 34 K2 Campaign 9

  35. K2 Microlensing Experiment Obtaining sufficient telescope resources was a key

    component to a successful campaign and our #1 risk CFHT UKIRT IRTF Keck Subaru OGLE LCOGT KMTNet LCOGT MiNDSTEp Gemini-S VST SMARTS LCOGT KMTNet LCOGT MiNDSTEp IRSF MiNDSTEp LT LCOGT KMTNet LCOGT SkyMapper MOA WIYN PLANET MiNDSTEp Wise
  36. Early Demonstration MOA-2016-BLG-233 Preliminary K2 Reduction by Dun Wang, NYU

    MOA data from the MOA Collaboration http://www.massey.ac.nz/∼iabond/moa/ alert2016/alert.php Difference Flux (arbitrary units) HJD-2457500 K2 MOA 0 5000 10000 15000 20000 0 5 10 15 20 25 PRELIMINARY
  37. 37

  38. The Pleiades

  39. Photometry of the Seven Sisters The Pleiades

  40. 40 Star Clusters - Pleiades

  41. Publications

  42. Career Status K2 ranked Excellent is all three categories Funding

    recommended in FY 17/18/19/20
  43. Check keplerscience.arc.nasa.gov for updates

  44. None
  45. Backup

  46. Kepler prime versus K2 target stars Huber et al. 2016,

    ApJS 224 2 41% K&M dwarfs 16% K&M dwarfs
  47. K2 Precision is Comparable to Kepler Prime