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Fresnel Diffractive Arrays Imagery

Fresnel Diffractive Arrays Imagery. Sky observation Targets. Presented by Truswin Raksasataya. Agenda. Sky validation and its objectives FDAI Gen II configurations FDAI Gen II Estimation First Results Future Targets. Sky observation for Prototype II.

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Fresnel Diffractive Arrays Imagery

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  1. Fresnel Diffractive Arrays Imagery Sky observation Targets Presented by Truswin Raksasataya

  2. Agenda • Sky validation and its objectives • FDAI Gen II configurations • FDAI Gen II Estimation • First Results • Future Targets

  3. Sky observation for Prototype II • To test Fresnel Imagery with real astrophysical objects. • To validate the performance of Fresnel Imagery with the ground support of 20 meter long focal • To test the operation on field usages.

  4. What’s changes • Prototype Gen II and Current state • Version 1.5.1 • What’s change • But.. • Effective area is approximately the same as Prototype 1, Chromatic Correction

  5. Recent Results from Sky observation • FDAI 1.5.1 No Tilt tip compensation for atmosphere turbulance

  6. Estimation of Fresnel Dynamic Range

  7. First Results from Sky observation Fresnel Imagery version 1.5.1 during transferred state: Single Stars Vega : Magnitude: 0

  8. Recent Results from Sky observation • Single Star : Deneb • Magintude: 1 From FDAI 1.5.1

  9. Recent Results from Sky observation • Epsilon Lyr • ----------------------------------- • Epsilon 1 AB • Magnitude : 1 • Separation 2.6 arcsec • Epsilon 2 AB • Magnitude : 1 • Separation 2.3 arcsec

  10. Recent Results from Sky observation • STT 433 : (Upsilon Cyg) Mag(Separation,arcsec): 4.4, 10(15”), 9,9(21”) STT 433 C STT 433 B STT 433 A

  11. Recent Results from Sky observation • STF 2767 • Magnitude: 4.2, 8.7 • Separation: 6 arcsec B A

  12. Recent Results from Sky observation Epsilon Lyr 1 AB STT 433 Epsilon Lyr 2 AB STF 2767 Results form Ground validation from FDAI 1.5.1

  13. Future Targets • High Dynamic Ranges Targets : Binary systems Double Stars: Sirius AB , Procyon AB , AGC 9AB etc. • Extended Fields: Solar system objects Mars and its satellites : High Resolution image , separation of its satellites. Pluton and Charon: Challenge!

  14. Future Targets • Double Stars Xi Peg BUP 9AB AGC 9AB Procyon AB BU 633AB SiriusAB

  15. Future Targets • Solar system objects • Mars and its Satellites

  16. T THANK YOU FOR YOU ATTENTIONANY QUESTIONS ARE WELCOME

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