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Happy 25th Anniversary, AATS (Ames Airborne Tracking Sunphotometers)

Happy 25th Anniversary, AATS (Ames Airborne Tracking Sunphotometers). AATS-6 - First test flights on CV-990, Dec 1984 - First science mission in Brazil, April 1985. You could almost fly that thing. 1975: STARS (Sutro Tower Aerosol and Radiation Study).

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Happy 25th Anniversary, AATS (Ames Airborne Tracking Sunphotometers)

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  1. Happy 25th Anniversary, AATS(Ames Airborne Tracking Sunphotometers) AATS-6- First test flights on CV-990, Dec 1984 - First science mission in Brazil, April 1985

  2. You could almost fly that thing 1975: STARS(Sutro Tower Aerosol and Radiation Study)

  3. You should propose an airborne active tracking version to NASA HQ 1975: STARS(Sutro Tower Aerosol and Radiation Study)

  4. You should come to work at Ames & propose it to our DDF 1975: STARS(Sutro Tower Aerosol and Radiation Study)

  5. You should come to work at Ames & propose it to our DDF 1975: STARS(Sutro Tower Aerosol and Radiation Study)

  6. Cousins R2D2 of The Jedi R2D2 of NASA

  7. AATS-6 “R2D2”

  8. AATS-14 NASA Ames Airborne Tracking Sunphotometers (AATS-6 & AATS-14) AATS-6 P. Russell, Earth Science Seminar, NASA Ames, 19 July 2007

  9. Urban Pollution Desert Dust H 0 H 0 2 2 O O 3 3 Biomass Smoke 1 1 10/8/2004 3:58:54 PM P. Russell, Ames Seminar, 24 January 2002 10/8/2004 3:58:54 PM P. Russell, Ames Seminar, 24 January 2002

  10. 1996 AATS-6 AATS-14

  11. 1997: ACE-2 AATS-14 AATS-6

  12. 2001: ACE-Asia AATS-6 AATS-14

  13. AATS-14 10 journal papers!

  14. AATS -14 AATS -14

  15. AERONET-like capability • Ground-based direct beam + sky scanning yields column-integrated aerosol properties: • Size distributions • Single-scattering albedo • Asymmetry parameter • Sphericity 4STAR: Spectrometer for Sky-Scanning, Sun-Tracking Atmospheric Research AATS-like capability: Airborne sun-tracking yields range-resolved properties from column-integrated quantities measured while profiling. 4STAR: Improve gases And thus AOD Airborne spectra yields profiles of aerosol type Schmid et al., AGU Fall 2009

  16. Fiber Optics Cable Motor Feedback Devices Optical Entrance Elevation Motor Aircraft Skin Azimuth Motor Slip Ring Fiber Optics Rotating Joint Spectrometer for Sky-Scanning, Sun-Tracking Atmospheric Research (4STAR)

  17. 19

  18. Ground Prototypes (4STAR-G)

  19. 4STAR Fabrication, 2010

  20. 4STAR Fabrication, 2010 Darth Vader? R2D2 of The Jedi R2D2 of NASA

  21. 4STAR Fabrication, 2010 Darth Vader? R2D2 of The Jedi R2D2 of NASA May the 4STAR be with you!

  22. Next steps… • Adding temperature-stabilized enclosure for data acquisition rack • Finish stray light in side spectrometer correction • Reduce stray light in skylight measurements • Build airborne version FY10 and FY11. • Modify G-1 escape hatch for integration of 4STAR in FY10 • Test-fly 4STAR on G-1 in FY11. • Hardening and retrieval algorithms in FY12 Funding: NASA, DOE ARM, BMI, PNNL [Airworthiness test flights, Sep 2010] [Science demo] Schmid et al., AGU Fall 2009

  23. >100 peer-reviewed pubs

  24. None of this would have happened without: Jim Pollack’s vision & persistence Many, many engineers, technicians, scientists, pilots, managers, … who have worked on & with the AATSs over the years We’re here today to recognize these contributions with cake drinks, & memories!

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