'Secondary mirror' diaporamas de présentation

Chapter 3

Chapter 3. Light and Telescopes: Extending Our Senses. Introduction. E verybody knows that astronomers use telescopes, but not everybody realizes that the telescopes astronomers use are of very different types.

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Giant Magellan Telescope

Giant Magellan Telescope. GSMT Committee Requests. Baseline Design First & Second Generation AO Capabilities Project Schedule & Milestones First-Light & Second Generation Instruments Operations Models Public Access. GMT Partners. Carnegie Institution of Washington Harvard University

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The Solar System

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OPTICAL TELESCOPES

OPTICAL TELESCOPES. Optical telescopes gather the visible light to observe distant objects. There are Three Basic Types of Optical Telescopes Refracting Reflecting Catadioptric. REFRACTOR.

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Commissioning JWST

Commissioning JWST. Anand Sivaramakrishnan. Security. Export of technical data contained herein is subject to the jurisdiction of the International Traffic in Arms Regulations ( ITAR ) and must not be exported or re-exported without the prior written approval of the U. S. Department of State.

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What Telescope is Best?

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Millimetric observations of compact HII regions from Antarctica

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Thermal Strategy Sam Heys Rutherford Appleton Laboratory

Thermal Strategy Sam Heys Rutherford Appleton Laboratory. Mission Overview. Orbit: Nominal Phase Solar Distance: 0.21 - 0.8AU. Cruise Phase Maximum Aphelion Distance:1.21A. 149 day orbital period. Mission Phases: Cruise Phase: 0 -1.86 years Nominal Mission: 1.86 -4.74 years

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frontpage

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SOFIA First Light: Observations with FORCAST

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How Telescope works

How Telescope works. WENJUN TAO BOYUAN LIN YUAN YANG JIAYIN WANG JIAHUI YUAN. Telescope.

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Primary mirror

Mike, Michael, Here is the starting point. I subsequently worked up a Filter Wheel and tweaked the Solar array. Assuming you accept the Filer Wheel as-is, the following pages are the result. I updated software since the last iteration and now have some new glitches

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Some Thoughts on Ground Layer Adaptive Optics & Adaptive Secondary Mirrors for Keck

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TMT First Decade Adaptive Optics

TMT First Decade Adaptive Optics. Brent Ellerbroek TMT Instrumentation @ SPIE 2010 San Diego, June 26, 2010 . Presentation Outline. Motivations for AO improvements First decade instruments incorporating AO Facility AO upgrades Required technology developments. TMT.AOS.PRE.10.057.REL01.

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Drawing taken from TPD

LO Output plane 33cm. Drawing taken from TPD. Best Fit fundamental Gaussian Beam. E is: 0.019700, phi is: -1.196936; w_0x is: 7.547 mm; w_0y is: 7.696 mm; d_xy is: -17.945 mm; x_0 is: 0.718 mm; y_0 is: -1.198 mm; z_0 is: 127.925 mm; theta_x is: -0.092 deg; theta_y is: 0.122 deg;

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Thermal Design Parameters

High Earth Orbit, 3Re to 25Re, 3 day period Primary mirror diameter 2m Hubble is 2.3m diameter OTA very sensitive to temperature changes 2 micron vertical shift would defocus image Detectors at 140K, area 0.3m 2 , passively cooled. Thermal Design Parameters. Overall View. Solar array

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The Model

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