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Fermi Fact Sheet - Fermi Gamma-ray Space Telescope
Fermi Fact Sheet - Fermi Gamma-ray Space Telescope

... holes eject streams of gamma-ray producing matter stretching many thousands of light-years. Gamma-ray bursts, the most energetic explosions in the universe, release more energy in a moment than our Sun emits in 10 billion years. Theory suggests that gamma rays are also produced when mysterious dark ...
MAESTRO Primary Structure Allowable Deflections
MAESTRO Primary Structure Allowable Deflections

... of the primary structure for stiffness and deformation due to humidity and temperature. In fact, the definition of the alignment procedure and primary structure is a synergistic process, in which trade-offs are evaluated to arrive at the best possible combination of process and configuration to meet ...
class slides for Chapter 3
class slides for Chapter 3

... Much can be learned from observing the same astronomical object at many wavelengths. Here, the Milky Way. © 2013 Pearson Education, Inc. ...
Reaction Wheel - Brown University
Reaction Wheel - Brown University

... – Study star formation regions in our galaxy. ...
497 Autostar Manual for DS-2090AT-TC and DS-2102AT-TC
497 Autostar Manual for DS-2090AT-TC and DS-2102AT-TC

... When the procedure is performed correctly, "Alignment Successful" displays. If Autostar does not display this message, perform this procedure again. NOTE: Autostar locates alignment stars based on the date, time, and location entered. The alignment stars may change from night to night. All that is ...
Optical Systems: Pinhole Camera • Pinhole camera: simple hole in a
Optical Systems: Pinhole Camera • Pinhole camera: simple hole in a

... • These create a “circle of least confusion” at focus • Area over which different parts of image come into focus • Lenses also have aberrations due to index of refraction issues ...
Economic Feasibility of a Siderostat-fed Liquid Mirror Telescope for
Economic Feasibility of a Siderostat-fed Liquid Mirror Telescope for

... field of view (arcminutes or less) to be observed at fixed zenith angles up to 45 degrees [13], but this solution is cumbersome and - since it is limited to a single angle - seemingly not practical. A design that allows pointing within a limited field of regard (˜ 6 degrees diameter) centered on the ze ...
The Spitzer Space Telescope
The Spitzer Space Telescope

Lifecycle of Dust in Galaxies - The National Academies of Sciences
Lifecycle of Dust in Galaxies - The National Academies of Sciences

... type of dust (scattered light) and the heating sources (hot stars). The spatial resolution of GALEX is sufficient for the dust scattering (5′′ ), but it is likely not sufficient to deal with the confusion due to crowding of the hot stars. Something like 1′′ (2.5 m) would likely be sufficient, especi ...
Why Single Dish? Darrel Emerson NRAO Tucson
Why Single Dish? Darrel Emerson NRAO Tucson

... • Even after allowing for the insensitivity to large scale structure, the BRIGHTNESS TEMPERATURE sensitivity of an aperture synthesis telescope is usually FAR poorer than a single dish, even for the same collecting area. – For equal total collecting area and rx performance, the sensitivity to point ...
Calibration of a ground-based solar coronal polarimeter
Calibration of a ground-based solar coronal polarimeter

... (Figures 3a-c). Sample elements are the gain, g, response to polarized light, X22, and cross talk from intensity into polarization, X21. The fractional variation of the gain decreases from 1.5% near the limb to 0.3% at elevated heights. Fractional variation of the polarization response is about 0.5% ...
May / June 2009 - Astroadventures.net
May / June 2009 - Astroadventures.net

X-Ray Telescope
X-Ray Telescope

... non-thermal flux (10-12ergs s-1cm-2arcmin-2 (2-10 keV)) ...
Telescope 101 – An Introduction To The World Of Telescopes
Telescope 101 – An Introduction To The World Of Telescopes

... is the whole starry sky out there to see. ...
HETDEX+VIRUS specs - University of Chicago, Astronomy
HETDEX+VIRUS specs - University of Chicago, Astronomy

... Survey covers 420 square degrees ...
"Magnetic Field Structure in Relativistic Jets", H. Jermak
"Magnetic Field Structure in Relativistic Jets", H. Jermak

... - Any polarisation signal in the incoming light is mapped out around the ring in a sin2θ pattern. - Each point source is a ring. - First operational in 2006 when it detected its first GRB (060418). ...
gunclubscope
gunclubscope

... that can be resolved by the lens or mirror to the level of the resolving power of our eye. Walter Ferreri in his book gives us (for a 500 cm diameter objective, the same dimension of the Barbicane's scope) the following powers:  a minimum power of 714x, which offers an exit pupil of 7 mm in diamete ...
Polarimetry with the Southern African Large Telescope
Polarimetry with the Southern African Large Telescope

... With tracker and 11-m pupil centred on primary mirror array and central obstruction (from SAC optics), equivalent to a 9 metre telescope. ...
Biosignatures of Kepler 62 e And Kepler f
Biosignatures of Kepler 62 e And Kepler f

... go even further and search for life in moons like Europa and Titan, what at one point was only found in science fiction and comic books. While sending a spacecraft to venture out and explore these exo-planets and return with little green men within a reasonable amount of time is not within current t ...
TAL
TAL

... going into active optics control, using output from AGW to more accurately determine position of M2. Useful publishable discovery: when coma is tipped out on-axis, one of the two nodes of binodal astigmatism is also zero for this field point. Determined that A-scope is in need of calibration at arou ...
Propagation of Light Through Atmospheric Turbulence Lecture 5
Propagation of Light Through Atmospheric Turbulence Lecture 5

... at your favorite wavelength. •  At excellent sites such as Mauna Kea in Hawaii, r0 at λ = 0.5 micron is 10 - 30 cm. •  But there is a big range from night to night, and at times also within a night. Page 30 ...
The World Wide Telescope as an architype for Online Science
The World Wide Telescope as an architype for Online Science

... Where the Rubber Meets the Sky: Bridging the Gap between Databases and Science When Database Systems Meet the Grid There Goes the Neighborhood: Relational Algebra for Spatial Data Search Extending the SDSS Batch Query System to the National Virtual Observatory Grid The World-Wide Telescope, an Arche ...
PAVYZDYS
PAVYZDYS

... Comparisons to evolutionary models show that the stars fall into two groups: the one is of first ascent giants with carbon isotope ratios altered according to the first dredge-up prediction, and the other one is of helium-core-burning stars with carbon isotope ratios altered by extra mixing. The sta ...
Astronomy - Boy Scouts of America
Astronomy - Boy Scouts of America

... b. Using the Internet (with your parent’s permission), books, and other resources, find out when each of the five most visible planets that you identified in requirement 5a will be observable in the evening sky during the next 12 months. Then compile this information in the form of a chart or table. ...
5 - nptel
5 - nptel

... magnitude of the wave vector ( being the wavelength of light). Since the width of each slit in the grating is small, the effect of  can be neglected and the intensity variation can be written approximately as sin 2 N  ...
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CfA 1.2 m Millimeter-Wave Telescope

The 1.2 meter Millimeter-Wave Telescope at the Harvard-Smithsonian Center for Astrophysics and its twin instrument at CTIO in Chile have been studying the distribution and properties of molecular clouds in our Galaxy and its nearest neighbours since the 1970s. The telescope is nicknamed ""The Mini"" because of its unusually small size. At the time it was built, it was the smallest radio telescope in the world. Together, ""The Mini"" and its twin in Chile have obtained what is by far the most extensive, uniform, and widely used Galactic survey of interstellar carbon monoxide (CO). ""The Mini"" is currently in operation from October to May each year.
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