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Cross-Calibration Between All Three Instruments

Cross-Calibration Between All Three Instruments. Lin Yan, Jason Surace (Spitzer Science Center). Intent. Check flux calibration consistency between IRAC 8µm and IRS-SL, MIPS 24um and IRS-LL. Sample Stars: 7 (K, A) Red extragalactic objects: 4 Asteroids: 3

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Cross-Calibration Between All Three Instruments

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  1. Cross-Calibration Between All Three Instruments Lin Yan, Jason Surace (Spitzer Science Center)

  2. Intent Check flux calibration consistency between IRAC 8µm and IRS-SL, MIPS 24um and IRS-LL. Sample Stars: 7 (K, A) Red extragalactic objects: 4 Asteroids: 3 Point sources only, mix of blue and red objects. All data processed through S11 or S12. Spectra from Yan, IRAC and MIPS points from Surace, Yan, and Rho.

  3. Stars: HD172728

  4. Stars: HD173511

  5. Stars: HD166780

  6. Stars: HR6348

  7. Stars: HD170693

  8. Stars: HR4138

  9. Stars: HD58142

  10. Mrk279

  11. IRAS 05189-2524

  12. Arp220

  13. Mrk231 Magenta: ISO SWS Cyan: IRAC 8, MIPS24, IRAS 25 Blue: ISO LWS Red: MIPS SED

  14. Asteroids: Isara

  15. Asteroids: Geometria

  16. Asteroids: Amalia

  17. Conclusions and Future Plans • Based on the data for 7 stars + 4 AGN, we found all MIPS 24um fluxes are consistent with the IRS spectra within 10%. • Comparing IRAC 8um and IRS short low spectra, we found that the consistency is within 10%. This is based on 8 sources which have both IRAC and IRS data. More is needed. • For red AGNs, consistency is extremely good.

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