The Very Large Array Past and Future Dave Finley.
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The Very Large Array Past and Future Dave Finley
Transcript of The Very Large Array Past and Future Dave Finley.
The Very Large ArrayPast and Future
Dave Finley
Outline
VLA and NRAO
VLA Discoveries
Exciting Future
National Radio Astronomy Observatory
NRAONational Radio Astronomy Observatory
A Facility ofThe U.S. National Science Foundation
The Robert C. Byrd Green Bank Telescope
National Radio Astronomy Observatory
The Robert C. Byrd Green Bank Telescope
National Radio Astronomy Observatory
National Radio Astronomy Observatory
Atacama Large Millimeter/submillimeter Array (ALMA)
NRAO – New Mexico
Very Large Array
Very Long Baseline Array
Science Operations Center
National Radio Astronomy Observatory
Very Long Baseline Array (VLBA)
National Radio Astronomy Observatory
Very Large Array (VLA)
National Radio Astronomy Observatory
Very Large Array (VLA)
1972 – Authorized1974 – Construction Began1980 – Dedication> 2500 Scientist Users> 13,000 Projects> 200 PhD Dissertations
Most Scientifically ProductiveTelescope on Earth!
National Radio Astronomy Observatory
Top 5 Telescopes of All Time
Oct. 23, 2002
Galileo's Homemade Spyglass 200-Inch Hale Telescope Very Large Array Hubble Space Telescope Chandra X-Ray Observatory
“Suddenly, radio astronomy went from being a sciencethat could only get crude images to being able to getthe best images of all.”
National Radio Astronomy Observatory
Imaging Quality
Pre-VLA Image
VLA Image
National Radio Astronomy Observatory
Cosmic Jets
National Radio Astronomy Observatory
VLA Discoveries
Gamma Ray Bursts
First Radio Detection 1997
National Radio Astronomy Observatory
VLA Discoveries
VLA Discoveries
Gravitational Lenses
Einstein Ring, VLA 1987
National Radio Astronomy Observatory
VLA Discoveries
Molecules in Early Universe
PSS J2322+194412 Billion L.Y.
J1148+525112.8 Billion L.Y.
National Radio Astronomy Observatory
VLA Discoveries“Microquasars” in Milky Way
VLA 1994
National Radio Astronomy Observatory
VLA Discoveries
Our Galaxy's Center
National Radio Astronomy Observatory
VLA DiscoveriesWater Ice on Mercury
VLA 1991
National Radio Astronomy Observatory
VLA Discoveries
“Hole in the Universe”
National Radio Astronomy Observatory
VLA 2007
The VLA Covers the Sky
National Radio Astronomy Observatory
Future Excitement: The Expanded Very Large Array
Replacing 1970s-vintage electronics
Returning to the state of the art
Funding: NSF, Canada, Mexico Project Complete 2012
10 Times the Capability for a FractionOf Today's Replacement Cost!
National Radio Astronomy Observatory
National Radio Astronomy Observatory
New receiversAntenna modificationsNew data-transmission system (Digital replaces analog)New central supercomputer (Correlator)New control system
The Expanded Very Large Array
Future Excitement: The Science
Cosmic Nurseries
National Radio Astronomy Observatory
Future Excitement: The Science
Black Holes, Large and Small
National Radio Astronomy Observatory
Future Excitement: The Science
ViolentStellarDeath
Supernova Gamma Ray Burst
National Radio Astronomy Observatory
Future Excitement: The ScienceThe Early Universe
National Radio Astronomy Observatory
Future Excitement: The Big Questions
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Thank You
Dave FinleyNational Radio Astronomy Observatory
