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The Atacama Large Millimeter Array Implications of a Potential Descope (2005) / Chapter Skim
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Appendix B: ALMA Level-1 Science Requirements
Pages 29-32

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From page 29...
... , enabling one to study the physical, chemical, and magnetic field structure of the disk and to detect the tidal gaps created by planets undergoing formation.
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From page 30...
... observations with array baselines of at least 10 km. Proper study of the kinematics of the disk images further requires that spectroscopy be carried out at velocity reso
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From page 31...
... To minimize the impact of atmospheric noise, a dry site with minimal attenuation, but also with high phase stability, has been selected. The ALMA site has been monitored for more than 7 years in order to assure that it is optimal from both standpoints.
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From page 32...
... Automated image processing will be developed and applied to most ALMA data, with only the more intricate experiments requiring expert intervention.
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Key Terms

  • imaging performance
  • gaps created
  • fidelity imaging
  • expert intervention
  • scale emission

  • shortest baselines
  • technological compromise
  • requirement affects
  • phase variations
  • array covering

  • individual antennas
  • variations create
  • atmospheric turbulence
  • experiments requiring
  • emission measured

  • synthesis arrays
  • maximum size
  • submillimeter atmospheric
  • disks implies
  • intricate experiments

  • vapor radiometers
  • covering baselines
  • measure atmospheric
  • angular resolution
  • length variations

  • disk images
  • requirements calls
  • atmospheric path
  • celestial sources
  • total collecting


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