Things to Know Before Workshop

• Basic celestial sphere stuff, with particular relevance to fixed-azimuth drift scan observing at Arecibo (18deg north latitude).
  Measuring the Sky (Celestial Sphere and Time and Coordinates sections) and Celestial Coordinates (scroll down a bit)
  Introduction to Arecibo Observatory Lecture by Martha Haynes
  ALFALFA Observing Mode
  Exercises on ALFALFA Observing Mode
  Rotating ALFA for ALFALFA
  ALFALFA Two Pass Strategy


• Basics of IDL.
  An Introduction to using IDl for ALFALFA


• Basic properties of galaxies and how they are measured.
  A Galaxy Primer
  Cornell Astro 201 FAQ about galaxies


• The 21 cm line and its importance to astronomy.
  The 21-cm Line: The Physics
  The 21-cm Line: Why Observe It?
  ALFALFA and HI in Galaxies


• Hubble's law, large scale structure and the Virgo cluster
  Hubble's Law
  Universe in a Box
  
  
• Galaxy surveys and databases, including especially NED, the DSS2, and the SDSS.
  ALFALFA Introduction to Galaxy Surveys, including exercises

• NRAO 'What is Radio Astronomy?' website .
  In particular How Radio Telescopes Work and How Radio Waves are Produced


• SDSS Galaxy Tutorials


• Radio Astronomy, Arecibo, and using ALFA for ALFALFA


• Celestial coordinates, time and ALFALFA

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