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200-Micron continuum science

200-Micron continuum science. Derek Ward-Thompson Jeremiah Horrocks Institute University of Central Lancashire Oxford ALMA Band 11 Meeting – 19-20 March 2013. 200um from the ground. Installing Thumper. Thumper on the JCMT. Atmospheric windows. T ransmission. Thumper maps.

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200-Micron continuum science

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  1. 200-Micron continuum science Derek Ward-Thompson Jeremiah Horrocks Institute University of Central Lancashire Oxford ALMA Band 11 Meeting – 19-20 March 2013

  2. 200um from the ground

  3. InstallingThumper

  4. Thumper on the JCMT

  5. Atmospheric windows

  6. Transmission

  7. Thumper maps

  8. Some science Core mass function and stellar IMF – exploring a causal relation (A&A 518, L102)

  9. SEDs of pre-stellar cores

  10. So use Herschel

  11. Herschel imaging

  12. Resolution mismatch Merlin 0.1x0.05” (ALMA 0.15-3”) VLA 1x0.5” (Herschel 15-30”)

  13. It’s a no-brainer! • ALMA Bands 1-10 don’t give temp. • Herschel et al too low resolution • No high-res 200-um alternative planned • Need temperature for column density • Need column density for mass • Need mass for astrophysics • We need ALMA Band 11…… • ……please build it !

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