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Luncheon in the Observatory Firehouse. The telescope structure is a very stiff 45 ton tubular steel structure which rests on four feet. The Hobby-Eberly Telescope (HET), dedicated in late 1997, is located on the summit of Mt. 11:00 a.m. Tours of the Hobby-Eberly Telescope. The Hobby-Eberly Telescope, one of the world's largest and most powerful optical telescopes, is being dedicated this morning by the consortium of U.S. and German universities that built it. The Hobby-Eberly telescope (HET) is a unique large telescope design which makes use of an Arecibo-like tracking scheme to allow the implementation of a large aperture telescope for moderate cost by keeping the primiary mirror at a fixed elevation. The innovative design and the use of cost-effective, off-the-shelf technology made it possible to construct the Hobby-Eberly Telescope for a total price of $13.5 million. As darkness begins to fall, the Hobby-Eberly Telescope is prepared for its night’s work. [Martin Harris/McDonald Observatory] The GranTeCan telescope (seen here without its mirrors) rests on an altazimuth mounting, like all modern giant scopes. The last "world's largest telescope" to be built with an equatorial mounting — that is, relying on mechanics rather than computing to track the motion of the sky — was the Hale 200-inch (5-meter) reflector on Palomar Mountain, completed in 1948. The HET telescope is found in Austin, Texas The telescope is proudly owned by the University of Texas. The first requirement is met by VIRUS, a set of about 150 spectrographs. [13] Hobby-Eberly Telescope. The cost of the tower system, including access platform and enclosure was $12K US. The operations costs for this telescope follow the capital cost model, being approximately 15 - 20% that of other 9-meter telescopes. This design greatly reduced the telescope’s cost, but limits its ability to track astronomical targets. The Hobby-Eberly Telescope was dedicated in 1996. FORT DAVIS, Texas – Three years into its quest to reveal the nature of dark energy, the Hobby-Eberly Telescope Dark Energy Experiment (HETDEX) is on track to complete the largest map of the cosmos ever. The Hobby-Eberly Telescope represents a new era in the design and construction of telescopes. The Hobby-Eberly Telescope is a joint project of the University of Texas at Austin, Pennsylvania State University, Stanford University, Ludwig-Maximilians-Universität in Munich and Georg-August-Universität in Göttingen. Fowlkes at 2,030 m (6,660 ft) above sea level. Its design is revolutionary. A tower and access platform were fabricated and erected for the Hobby-Eberly Telescope (HET) Differential Image Motion Monitor (DIMM). The Hobby-Eberly Telescope, nearing completion at McDonald Observatory in west Texas is an optical Arecibo-type telescope utilizing an 11-meter primary mirror and a 9.2-meter effective aperture. McDonald Observatory: The Hobby-Eberly telescope was very cool to see. First light was obtained on December 11, 1996. The operations costs for this telescope follow the capital cost model, being approximately 15 - 20% that of … The second is met by the Hobby-Eberly Telescope (HET), the third-largest optical telescope in the world. The other is a giant telescope that can see far into the universe, providing good views of galaxies that existed when the universe was only a few billion years old. [12] It is operated jointly by the University of Texas at Austin, Pennsylvania State University, Ludwig Maximilians University of Munich, and Georg-August University of Göttingen. The team will create a three-dimensional map of … • Has now been copied and enhanced in South Africa as SALT, the Long Description: "With its 11-meter (433-inch) mirror, the Hobby-Eberly Telescope (HET) is one of the world's largest optical telescopes. CiteSeerX - Document Details (Isaac Councill, Lee Giles, Pradeep Teregowda): The Hobby-Eberly Telescope (HET) is a revolutionary large telescope of 9.2 meter aperture, located in West Texas at McDonald Observatory. Dedication of the William P. Hobby-Robert E. Eberly Telescope Dedication address by Nobel-prize winner Steven Weinberg, Professor of Physics and Astronomy, The University of Texas at Austin. This design makes it possible, for the first time, to contemplate construction of the next generation of telescopes, of up to 29 meters in diameter. The start of scientific operations is expected in the late summer of 1998. The 5 meter high tower exhibits a fundamental frequency of 43 Hz. A number of telescope performance deficiencies were identified and corrected following construction. Innovative approaches have been employed to provide this large modern telescope at a total cost of $13.5 million. The Hobby-Eberly Telescope (HET) is a fixed-elevation, 9.2-m telescope with a spherical primary mirror and a tracker at prime focus to follow astronomical objects. The Hobby-Eberly telescope (HET) is an innovative, low cost 9- meter class telescope that specializes in visible and near- infrared, queue observing mode spectroscopy. The HET operates with a fixed segmented primary and has a tracker which moves the four- Currently operational GSM telescopes are Keck I, Keck II, and the Hobby-Eberly telescope, with the GTC, SALT, and LBT apertures all under construction. It is the first modern large optical telescope to use an innovative, cost-saving fixed-mirror design. Hobby-Eberly Telescope — The Hobby Eberly Telescope is a 9.2 meter telescope located at the McDonald Observatory. The Hobby-Eberly Telescope is one of the world's largest optical reflecting telescopes. Hobby-Eberly Telescope. The HET was built for approximately 15-20% of the cost of other 9 meter class telescopes. The new telescope, which is located at the University of Texas' McDonald Observatory in … The primary mirror is composed of an array of mirrors designed to act as a single larger mirror. • The HET is performing very competitively in key areas for which it was designed. It was designed specifically for spectroscopy, the decoding of light from stars and galaxies to study their properties. The Hobby Eberly Telescope • An innovative, high-technology telescope in order to be cost effective • Built for 20% of the cost of comparable telescopes. The telescope was constructed for $13.9M over the period 1994-1997. Bash also led the effort to expand the … Because of the configuration of the segmented mirrors, it was built for approximately 15-20% of the cost of other 9-meter class telescopes. Construction started in 1994 and was completed in 1996. Beginning with the Keck I telescope, optical systems in excess of 8.4-m have begun to be available to the astronomical community. Eberly Telescope cost $13.5 million, due to its cost-effective design. Astronomy is competitive. Innovative approaches have been employed to provide this large modern telescope at a total cost of $13.5 million. Both SALT and the Hobby-Eberly Telescope have unusual designs for optical telescopes. The HET discovered a To compensate, telescope designers added a tracking assembly at the top of the telescope… The Hobby-Eberly Telescope (HET) is a fixed-elevation, 9.2-m telescope with a spherical primary mirror and a tracker at prime focus to follow astronomical objects. Hobby-Eberly Telescope An innovative telescope requires innovative techniques for observing the night sky. Hobby-Eberly Telescope (HET) The HET was built with a rare objective: to gather a huge amount of light, mainly for spectroscopy, at a fairly cheap price. It combines a number of features that differentiate it from most telescope designs, resulting in greatly lowered construction costs. Its effective aperture is 9.2 m. HET also has a number of innovations that made it a low-cost instrument optimized for spectroscopy, not imaging. The Hobby-Eberly Telescope, nearing completion at McDonald Observatory in west Texas is an optical Arecibo-type telescope utilizing an 11-meter primary mirror and a 9.2-meter effective aperture. Hobby-Eberly Telescope (HET) The HET is one of the world’s largest optical telescopes, with an effective aperture of 9.2 meters and a 78 square meter, hexagonal mirror array made from 91 segments. The Hobby-Eberly Telescope near Fort Davis, Texas, US, and South African Large Telescope (SALT) near Sutherland, South Africa both have main mirrors … To attack the big questions, we need to keep investing in forefront facilities. b Hobby-Eberly telescope, University of Texas at Austin, 1 University Station C1403, Austin, TX 78712-0259, USA ABSTRACT The Hobby-Eberly Telescope (HET) is an innovative large telescope of 9.2 meter aperture, located in West Texas at McDonald Observatory. Array of 4 gimbaled 1.5 meter reflecting telescopes, Array of 4 gimbaled 1.5 meter Fresnel lenses Single 3 meter aperture with ... promise as a low-cost alternative to large diameter monolithic apertures To verify the technical performance and cost estimates, Hobby-Eberly Telescope The HET was designed and constructed with a unique objective: to gather a very large amount of light, specifically for spectroscopy, at extremely low cost. Structure. The University of Texas McDonald Observatory can achieve this in a very cost-effective way by upgrading the Hobby-Eberly Telescope (HET) and adding to it innovative new instrumentation. Today, the giant at McDonald is the Hobby-Eberly Telescope (HET), on neighboring Mount Fowlkes, almost a mile (1.3 km) from the cluster of original domes on Mount Locke. The telescope is notable because of its large collecting area and its low, $13.5 million cost, excluding instruments. The Hobby-Eberly telescope (HET) is an innovative, low cost 9- meter class telescope that specializes in visible and near- infrared, queue observing mode spectroscopy. These telescopes all have efiective areas in excess of 9-m. The Hobby-Eberly Telescope, built for a fraction of the cost of other giant telescopes, is dedicated at McDonald Observatory. The Hobby-Eberly Telescope (HET), at the McDonald Observatory in the mountains of west Texas, has a primary mirror that consists of 91 hexagonal mirror segments. Shuttle service will be provided between all event locations. - See 1,275 traveler reviews, 376 candid photos, and great deals for Fort Davis, TX, at Tripadvisor. SALT’s novel design as a fixed-elevation (53 degrees above horizon) telescope constrain the field of view to an annulus covering 12.5% of the sky at any one time, or 70% of the observable sky. 11:30 a.m. 150 spectrographs of telescopes of an array of mirrors designed to act as single! 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