Table of Contents
Basic Ideas for Very Large Aperture Telescopes the case for continuing groundbased astronomy
Basic Ideas for Very Large Aperture Telescopes the case for continuing groundbased astronomy
What is the case for a new groundbased facility?
Framework for a Science Case
Challenging 8m - 10m telescopes - Imaging Spectroscopy of the majority of objects in the HDF
“Deconstructing High z Galaxies”
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“Deconstructing the M16 Pillars with Gemini”
Going beyond Gemini
Lets be presumptuous….
How we will be competitive from the ground
Sensitivity gains for a 21st Century telescope
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The gains of NGST compared to a groundbased 8m telescope
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“its resolution stupid..”
“its resolution stupid..”
“its collecting area stupid..”
“its collecting area stupid..”
Modeled characteristics of 20m and 50m telescope
Relative Signal to Noise Gain of groundbased 20m and 50m telescopes compared to NGST -- assuming a detected S/N of 10 for NGST on a point source, with 4x1000s integration
Relative Signal to Noise Gain of groundbased 20m and 50m telescopes compared to NGST -- assuming a detected S/N of 10 for NGST on a point source, with 4x1000s integration
“its sensitivity and resolution ..”
50m Point Source Sensitivities 10 s 10,000s
50m Point Source Sensitivities 10 s 10,000s
Adaptive Optics will be essential
AO performance on a 50m Telescope
AO performance on a 50m Telescope
The Challenge - Multiple Laser Beacons
Adaptive Optics will be essential
Imaging of the Universe at High Redshift with 10 milli-arcsecond resolution
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Observation scale lengths
Spectroscopic Imaging at 10 milli-arcsecond resolution
Telescopes can still be competitive from the ground
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50 Meter Telescope Concept
50 m Design Performance
Technology and “cost-benefit” challenges
“What can it cost?”
Basic Ideas for Very Large Aperture Telescopes the case for continuing groundbased astronomy
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The next step ?
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One advantage of being in space
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