The Very Long Baseline Array

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The Very Long Baseline Array

• Brought to you by the National Radio Astronomy
  Observatory, a facility of the National Science
  Foundation operated under cooperative agreement
  with Associated Universities, Inc.

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Brewster, WA
Owens Valley, CA
North Liberty, IA
Los Alamos, NM
Mauna Kea, HI
Hancock, NH
Pie Town, NM
Kitt Peak, AZ
Ft. Davis, TX
St. Croix, VI
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Each antenna

• weighs 240 tons

• is 25 meters (82)
• in diameter

• is as tall as
• a10-story building

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1.5GHz 20cm 2.3GHz 13cm 4.8GHz
6cm 8.4GHz 4cm 14GHz 2cm 23GHz
1.3cm 43GHz 7mm 86GHz 3mm
327MHz 90cm 610MHz 50cm
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Array Operations Center, Socorro, New Mexico
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Array Operations
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The correlator console
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The array operator console
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SN1993J Studying the structure of supernovae
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3C120 Studying the motion of jets moving near
the speed of light.
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CLASS B1359154 Studying gravitational lenses
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www.nrao.edu
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The Very Long Baseline Array

• Brought to you by the National Radio Astronomy
  Observatory, a facility of the National Science
  Foundation operated under cooperative agreement
  with Associated Universities, Inc.