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Deployment of the Hobby-Eberly Telescope wide
Deployment of the Hobby-Eberly Telescope wide

... The tracker was built by the Center for Electro-Mechanics (CEM) and McDonald Observatory (MDO) at the University of Texas at Austin16,17,25-28. After integration and testing was finished it underwent a test plan that was completed in mid 201316,17. Testing was based on using a laser tracker (LT, mod ...
Sample pages 1 PDF
Sample pages 1 PDF

... with 30 m diameter or more has begun. In recent years, our capabilities to find very distant, and thus very dim, objects and to examine them in detail have improved immensely thanks to the capability of these large optical telescopes. A second example is the technical evolution and size of optical d ...
User Guide
User Guide

... Remove the telescope tube from its packaging. Remove the ring clamps by releasing their thumbscrews and opening their hinges. Using the bolts provided, fasten the ring clamps to the mount with a wrench. Place the telescope tube between the rings and balance it. Close the hinges around the telescope ...
PowerSeeker 80 EQ Manual
PowerSeeker 80 EQ Manual

... The Celestial Coordinate System To help find objects in the sky, astronomers use a celestial coordinate system that is similar to our geographical coordinate system here on Earth. The celestial coordinate system has poles, lines of longitude and latitude, and an equator. For the most part, these rem ...
Axial Resolution of Adaptive Optics Scanning Laser
Axial Resolution of Adaptive Optics Scanning Laser

... limited resolution due to their inability to overcome the aberrations present in the eye's optics. In many cases, retinal diseases are detected only after significant and irreversible retinal damage has occurred because of this inability to image the retina on a cellular level. Adaptive optics is a ...
Name of grant holder
Name of grant holder

... Human Gyroscope rides charged at R5 per 3 minutes. Robotics and coding workshops need to be pre-booked on arrival, all other activities filled on a first-come-first served basis Demonstration of light science Camera Obscura Tour. A role play representing the great Islamic scientist, father of optics ...
story of telescope
story of telescope

Network Telescopes: Technical Report
Network Telescopes: Technical Report

... However the probability distributions for a given targeting rate telescope size can be very wide, and the utility of a network telescope depends on knowing the specific likelihood of observing an event. For example, rather than knowing that the expected time to observe one or more packets from a Cod ...
Towards the Intensity Interferometry Stellar Imaging System
Towards the Intensity Interferometry Stellar Imaging System

... makes implementation more cost effective and reliable. This opens up the possibility to simultaneously exploit a very large number of baselines to achieve a dense sampling of the interferometric plane (in which the Fourier transform of the image is to be measured). Second, within the next decade, ex ...
Science Across Disciplines
Science Across Disciplines

... of them at mid-infrared wavelengths (6 to 20 µm), where the most advantageous contrast ratio between star and planet occurs. The spectroscopy will characterize the physical and chemical state of the planetary atmospheres and search for evidence of biological activity. The baseline mission lasts 5 ye ...
orion® starBlast™ 4.5 EQ
orion® starBlast™ 4.5 EQ

... over-tighten or the threads may strip. Refer to Figures 1a. and 1b. during assembly. During assembly (and anytime, for that matter), Do not touch the surfaces of the telescope mirrors or the lenses of the EZ Finder II or eyepieces with your fingers; the optical surfaces have coatings on them that ca ...
Ir(t) - IPAM
Ir(t) - IPAM

... Congestion, routing failure, security countermeasures, etc. ...
White dwarf binaries
White dwarf binaries

... and U Gem, both of which reach V 8–9 at peak of outburst) and amateur groups have made fundamental contributions to their long-term light curves for more than a hundred years (Warner 1995). Walker’s discovery (Walker 1954) that DQ Her is an eclipsing binary, combined with ...
CCD Imager Development for Astronomy
CCD Imager Development for Astronomy

... CCD technology available to several observatories. These programs have had a reciprocal benefit to us by supporting development of novel device concepts and supplying us with comprehensive test data that we otherwise would not have the resources to obtain. This article reviews our work in imager dev ...
Instruction Manual
Instruction Manual

... Place the center bearing bushing into the countersunk hole of the ground plate. Slide the three roller bearing plates over the center bearing bushing: First the roller bearing plate, then the roller bearing itself (the plate that looks alike a wagon wheel), then the second roller bearing plate. Plac ...
The Surveyors` Heliotrope
The Surveyors` Heliotrope

... telescopes. An attendant would aim the telescope directly toward the surveyors on the neighboring mountaintop. The mirror attached above the telescope would then be positioned to reflect the sunlight through two circular rings attached in front of one another at the front of the telescope. When thes ...
Cvetojevic_PIMMS_11 - School of Physics
Cvetojevic_PIMMS_11 - School of Physics

... through and approaching the noise floor of our detector. Our detector was not sensitive enough ...
Test yourself - classesbranchees
Test yourself - classesbranchees

the cleaning of optical surfaces: mirrors
the cleaning of optical surfaces: mirrors

... 9. While the mirror is soaking, remove the cotton gloves and place them in the solution with the mirror to prevent contamination. 10. After about 5 minutes put the gloves back on, but do not touch anything outside of the basin; at this time you are going to very, very gently - with NO pressure - mas ...
Optical metrology for two large highly aspheric
Optical metrology for two large highly aspheric

... developed technology to cast and polish lightweight honeycomb sandwich mirrors up to 8.4 m in diameter. 1 -4 Considerations of stiffness and the economy of the resulting telescopes require that these mirros be polished with focal ratios near 1. The surface accuracy of these mirrors must meet the ext ...
Gaia talk
Gaia talk

... Satellite global timing network extended to picosecs for Gaia In one picosec light travels 0.3mm Satellite communications link is 300W, total power use 1276W 100Tb raw compressed data – our database is 15Tb as of today 2 telescopes, 35m focal length, rectangular mirrors 3.5M hours of work to study, ...
Speckle Imaging through the Atmosphere
Speckle Imaging through the Atmosphere

... Fig. 1-The division of the telescope aperture into N effective subapertures. The image results from two independent terms with different dependences on N. The first term describes the superposition of the intensities of al/ the individual subaperlures, and the second term describes the interference ...
DOBSONIAN TELESCOPE
DOBSONIAN TELESCOPE

3. The MONS Telescope requirements
3. The MONS Telescope requirements

... We assume that the ACS power spectrum is flat at frequencies below 10 mHz, which should be the case if the control loop is operating correctly. We then assume that the ACS power spectrum falls off as frequency squared (i.e., as 1/f in amplitude), as seems likely. The spectrum can then level out at f ...
Lecture #1 Basic Concepts and Principles of Adaptive Optics
Lecture #1 Basic Concepts and Principles of Adaptive Optics

... manufactured if a sufficiently bright natural star is not available close to the science object. It is made by shining a very high-power laser into a small region of the atmosphere and collecting and observing light which is scattered back to the ground. The Science Object is the astronomical object ...
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XMM-Newton



The XMM-Newton, also known as the X-ray Multi-Mirror Mission and the High Throughput X-ray Spectroscopy Mission, is an orbiting X-ray observatory launched by ESA in December 1999 on an Ariane 5 rocket. It is named in honor of Sir Isaac Newton. The telescope was placed in a very eccentric 48 hour elliptical orbit at 40°; at its apogee it is nearly 114,000 kilometres (71,000 mi) from Earth, while the perigee is only 7,000 kilometres (4,300 mi).
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