Electron-Bombarded, Back-Illuminated CCD Sensors . ... EBCCD PERFORMANCE: Resolution and CTF . ... Measured CTF for an SI502AB back-illuminated CCD, a GaAs SI502AB EBCCD, . ... Figure 8 depicts each sensor's measured CTF. ... The EBCCD's CTF is only slightly lower in contrast than the back-illuminated CCD's CTF and, depending upon the spatial frequency of interest, is 20% to 100% higher in contrast than the ICCD's CTF. ... Measured CTF for GaAs SI502AB EBCCD #A (1.8 keV) and SI502AB ICCD using a . ...

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• Back-Illumination Paper-CCD Operations
• Back-Illumination Paper-Pluto
• Electron bombarded sensors-EBS Gain

... HST . How precise are the parameters of my double star as measured in Transfer Mode? ... Data . ... HST Peer Review Process . ... HST Overview . Overview . ... Retrieving HST Data . ... Data Analysis . ... HST Science Year in Review . ... FGS Data Handbook . ... A: Analysis of calibration and other data has shown that the separations obtained in the analysis the Transfer Functions of double stars have a precision of around 1 milli arc-second. ...

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• Charge Transfer Efficiency

. Planetary Approach . "Final Stage of the Hohmann Transfer" . Previous . Main . Next .

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Next: CCD Scientific Performance Up: CCD Operation Previous: CCD Operation . A visible light photon releases only one electron-hole pair, and consequently many photons must be collected in each pixel for a measurable signal to be produced. ... This use as an imaging X-ray spectrometer requires that no more than one photon is incident on each pixel in any image frame, which imposes a requirement that image collection times be limited to ~seconds for typical astronomical applications. ...

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• Radiation Hardness
• Radiation Damage
• CCD Operation

The cumulative system performance is plotted for each receiver. ... When something occurs that may change the gain of the system (moving a horn, shimming the elevation rails) then a new epoch will be started. The old data is moved to the old system performance data page (the old data link points to this). ... Gain,Tsys,Sefd... (.ps) (.pdf) . ... Pointing errors (.ps) (.pdf) . ... Hour of day when sources measured (.ps). (.pdf) . list of sources with dates and filenames Old data . ...

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• ALFA Performance
• fast2010_page2
• network info

... title='Transfer - Quiksilver - Quiksilver' border='0' align='left' width='120' style='margin-right: 20px;' hspace='7' vspace='5'/> Мужской кошелек от Quiksilver - новинка из коллекции "Весна 2015". Характеристики: полиуретановый внешний слой и нейлоновая подкладка, принт из линейки бордшортов, металлические клепки Quiksilver. Цвет: синий . ... Пол: Мужской . ... Костюм спортивный adidas Performance. ... Линейка: Performance . ... Size: 42 RUS,44 RUS,46 RUS,48 RUS . ... Пол: Женский . ...

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... By the time Isaac Newton entered college, the scientific revolution of the 17th century was well underway. ... Men like Copernicus, Kepler, Galileo, and Descartes had all helped develop a new view of nature. ... Plato is my friend, Aristotle is my friend, but my best friend is truth." ... Isaac Newton was born on Christmas Day, 1642, the same year Galileo died. ... He was one of the most creative geniuses the world has ever seen and to many people the greatest scientist who ever lived. ...

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• The Clockwork Universe
• Fundamentals of Mechanics
• Comparing Means and Deviations

NASA JOHNSON SPACE CENTER ORAL HISTORY PROJECT BIOGRAPHICAL DATA SHEET NAME: Dorothy B. Lee O RAL H ISTORY: 10 November 1999 EDUCATIONAL BACKGROUND: BA in Mathematics, Randolph-Macon Women's College, Lynchburg, Virginia, 1948 PRE-NASA CAREER: NACA Langley Aeronautical Laboratory, Hampton, Virginia Mathematician (1948-1953) Senior Mathematician (1953-1956) Aerotechnologist, Heat Transfer (1956-1958) NASA CAREER: NASA Charles B. Rumsey, Dorothy B. Lee, and Ronald Kolenkiewicz. ...

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... Science User Portal . ... ESO, the European Southern Observatory . ... Travel to E-ELT Armazones . ... Stars@ESO . ... They can then measure the velocities of stars, galaxies and quasars, search for planets around other stars, or study the expansion of the Universe. ... One of the ambitious project to be realised with the E-ELT, called CODEX, aims to measure the recently discovered acceleration of the universe directly, by following the velocities of distant galaxies and quasars over a 20-year...

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• A fine-tooth comb to measure the accelerating universe | ESO United States
• A fine-tooth comb to measure the accelerating universe | ESO United Kingdom
• A fine-tooth comb to measure the accelerating universe | ESO Australia

... The CARMA Data Viewer (CDV) is a CORBA and Java based real-time data viewer for radio interferometric arrays. ... Client viewers can fetch ObsRecords from either observatory by first querying the Name Service for the ObsRecord location, then using the ObsRecord public CORBA interface to obtain its member data. ... For the CARMA Data Viewer, the remote objects (ObsRecords) contain a rich hierarchy of header and data that are updated on timescales of a few to tens of seconds. ...

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• VLT Data Quality Control

... Used for: comparisons between time scales comparisons between frequency standards GNSS data essentially always post-processed, with more or less sophistication GPS and Galileo frequency bands Galileo Joint Undertaking, 2005 Reminder of current GPS usage: s ignals Signals used L1 (1575.42 MHz): C/A code P code ( P1 ) carrier phase P code ( P2 ) carrier phase L2 (1227.60 Mhz): Reminder of current ... For GPS data, C/A, P1, P2 and P3 codes are provided for. ...

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• casacore: TableMeasures_module
• Clock Corrections at Parkes
• casacore: measures/TableMeasures.h Source File

We have designed the laboratory model of static Fourier spectrometer for onboard usage for spectral study of atmosphere and ionosphere. The gain of model is to simulate onboard FS which will not have any moving elements (all its optical elements will be mounted at fused quartz monolithic construction), to compare experimental results with theoretical estimations and to measure MTF of CCD array. ... This fact connected with low frequency response of CCD array due to small format of it. ...

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• INFRARED FOURIER-SPECTROMETER SICH-F

The "ring of fire" seen by satellite cameras around the polar caps (picture below) is probably created by electrons leaking from the tail's plasma sheet, whose magnetic field lines form a somewhat imperfect trap. ... One possible explanation involves the close association between auroral arcs and electric currents which flow along field lines between the ionosphere and distant space ( Birkeland currents ). ... That produces an extra resistance to the flow of current. ...

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• Field-aligned potential drops [Oulu]
• Discontinuities and shocks [Oulu]
• Newton's Second Law

The study of energetic particles acceleration and transport within the magnetosphere and on its boundaries is the main goal of DOK-2 experiment on Auroral Probe in a frame of INTERBALL project. ... DOK-2 uses two pairs of energetic particle telescopes . ... This information is available only during the most informative Real Time mode of DOK-2. ... Full 56-57 channel spectra accumulated during time intervals from 10 s to 1464 s depending on a particle intensity. ... For this time interval: . ...

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• The Acceleration of the Aurora
• Newton's Second Law
• SKA-3 Results Page

AUTOMATIC STATION OF ECOLOGICAL CONTROL . ... BASIC PERFORMANCE SPECIFICATION . STATE OF ASEC DEVELOPMENT . AIR POLLUTION MONITORING . ... OF MEASURING CHANNELS . ... unit of measurement . ... Nitric oxide (NO) concentration, . ... power measured by ASEC . ... In particular, RSC Energia finalizes its work on measurement systems designed to measure dust, volumetric activity of radioactive gases and aerosols and other environmental parameters. ... Official WEB-site of S.P.Korolev RSC Energia . ...

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• INTERNATIONAL SPACE STATION
• S.P.Korolev RSC Energia - PRODUCTION OF CONSUMER GOODS
• RSC "Energia" - Land Launch

... 1996: . Using the original method of diagnostics of the Solar corona structure by the effects of radio wave refraction (space-frequency tomography) in the wavelength range of 2-30 cm on the RATAN-600 telescope, the electron density, emission measure and porosity of coronal loops was measured for the first time regardless of the optical data. It is shown that most of the matter is concentrated in the super-dense loops, occupying less than 10% of the total coronal volume. ... Archive . ...

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... Astrophysics Group . ... Software for Astrophysics . CosmoNet . ... CosmoNet Downloads . ... It uses multilayer perceptron neural networks to accurately determine CMB power spectra (temperature and polarisation), the matter transfer function and experimental likelihoods from the WMAP 3-year data. ... Download the original letter astro-ph/0608174 . Download the latest paper astro-ph/0703445 which includes our latest release capable of computing both flat and non-flat cosmologies. ...

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• Limits on Phase Correction Performance Due to Differences Between Astronomical
• Bojan Nikolic -- Anomalous dust emission in NGC 6946

... CI Cam (XTE J0421+560) is an X-ray transient and a binary system the optical companion, which shows the B[e] phenomenon. ... The centroid velocities of the following emission lines were measured: FeII (5 lines), [N II] 5754.59A (NIST Database), H_alpha, H_beta, HeI (5 lines), and [O III] 5006.843A. FeII and [N II] lines that form in the cool equatorial disk wind of B[e] star have stable sharp-edge profiles. ... All the FeII lines and the [N II] line in our spectra show a linear shift with time. ...

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• Time & Frequency
• Протокол FTP (File Transfer Protocol)
• DINACON

Diamond's Stealth64 Video 3200 is the perfect, cost-effective choice for excellent graphics and video performance on PCI systems. ... Accelerated video playback provides smooth viewing of popular multimedia applications and digital video clips at full screen resolution at up to 30 frames per second. The Diamond Stealth64 Video 3200 continues our award-winning tradition, delivering the best price/performance multimedia accelerator available. ... 64-bit Graphics Performance . ... Video Connector: . ...

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• Stealth 64 Video

... GSAOI Home . ... Science . ... Type Ia supernovae have emerged as one of the sharpest tools in the astrophysicists kit for measuring extragalactic distances, with a precision of around 6%. ... Different types of dark energy affect the rate at which the Universe expands depending on their effective equation of state. ... Each variant of dark energy has its own evolving equation of state that produces a signature in the Hubble diagram of the Type Ia supernovae. ...

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• Brad's Research
• GSAOI Bulk Motions Science Page
• The High-Z SN Search Description