ACS Insturment Handbook for Cycle 24 . ... Advanced Camera for Surveys Instrument Handbook for Cycle 24 > Table of Contents . ... Chapter 1: Introduction . ... 2.2 Comparison of ACS/WFC and WFC3/UVIS . ... Chapter 3: ACS Capabilities, Design and Operations . ... 4.2.2 CCD Spectral Response . ... 4.3.2 CCD Shutter Effects on Exposure Times . ... 4.4 The SBC MAMA . ... Chapter 5: Imaging . ... 5.2 Important Considerations for ACS Imaging . ... 5.3 Wide Field Optical CCD Imaging . ... 7.7 ACS Apertures . ...

... Guider functions . ... Guide Sensor Performance . ... Guide Sensor Sky Coverage/ Star Availability . Guide Star Selection Criteria . ... Guide fiber organization and reach at plug plate . ... Plug plate holes for guide stars are identical to those for science FO . ... FOV for each of 9 guide stars is 7.4 arcsec dia. (0.45 mm FO, Sumitomo IGN-05/10) . ... Selected guide stars must have no neighbor stars within TBD (5 arcsec) radius that have a brightness within TBD (5 mag.) of guide stars . ...

Arcetri Observatory, together with MECSA, have developed a sample/hold curcuit and a demultiplexer for the ALMA sampler unit. ... The S/H circuit requires a 4 GHz sinusoidal clock (0 dBm nominal), and has an internal clipping circuit to protect the input from signal spikes. ... A custom chip has therefore to be designed. ... The chip requires two sinusoidal clocks, at 4 and 0.5 GHz. ... G. Collodi, G. Comoretto: A MMIC sampler for ALMA - Design report - Arcetri technical report n. 2/2001 . ...

... The choice of the spectrograph design (Fig.2) is determined by the quantity R, the overall dimensions of the PF cage and the restrictions on the rigidity of the structure of the device. ... As the camera's objective a fast 4-lens aplanat is used having a focal distance F cam =140 mm and a relative aperture of 1:1.8, the resolution at the centre is no less than 80 gr/mm, that over the field at a distance of 3 mm from the edge along the frame ( ) diagonal is 35 gr/mm. ...

Progress on Silicon-Tungsten Calorimeter for SD David Strom University of Oregon · Design Consideration · Silicon Detectors · Electronics · Some Mechanical Details M. Breidenbach, D. Freytag, G. Haller,O. Milgrome SLAC R. Frey, D. Strom UO V. Radeka BNL American Linear Collider Meeting 1 13 July 03 ­ David Strom ­ UO Primary ECAL ... American Linear Collider Meeting 18 13 July 03 ­ David Strom ­ UO ...

OptInt PmWiki . ... Tech Meet 2 . ... Page History | ... PmWiki . ... Return to Tech Meet 2 ( Edit ) . ... 1 pixel independent of pixel scale (avoids aliasing of high frequencies in speckled image) . ... ADR & CAH: Optical image quality tolerancing of OAP-based layout . ... ADR & CAH: Layout and tolerancing of lens-based optical system . ... ADR & CAH: Use tolerancing results to assign image quality and stability budgets by component . ... ADR & CAH: Think about how to apportion image quality budget . ...

Next: Detection Efficiency Up: CCD Scientific Performance Previous: CCD Scientific Performance . The X-ray energy required to liberate a charge pair in a semiconductor is approximately an order of magnitude lower than in gas detectors, hence the potential spectroscopic advantage of CCD detectors. ... For a number of years, good scientific CCDs attained noise performance of electrons rms, but this limited the energy resolution for X-ray energies 3keV. ...

Image Sensors . Linear Arrays . Area Arrays . Near Infrared Sensors . ... Custom design + Add-On . ... Custom Design . In addition to its standard product offer, TCS can be your partner for your custom design sensors. ... Output frequency : up to 40 MHz per output . ... optional antiblooming and exposure control . ... For linear and area array . ... Area array : 128x128 and 256x256 . ... UV coating . ... This special coating can be applied both on linear arrays and area arrays. ...

... 400mm f/2.8 Nikor lens: images the sky on the entrance slit. ... The optical system maintains image quality along the slit length so that each row of the image is a spectrum of that spatially selected region of the sky. 180mm f/2.8 Nikor lens: collimates the light from the slit. ... The auxiliary optical platform on WISPI now accomodates a short focal lens and a guiding/imaging video system that may use sub-pixel corrections to provide feedback to the tracking drive motors. ...

... Design of Imaging Optics . Analyzing Optics . ... The high resolution near infrared camera (CONICA) for the first VLT unit telescope is under development. It serves as a multi-mode instrument for the wavelength region between 1.0 and 5.0 microns, providing diffraction-limited spatial resolution when combined with the adaptive optic system NAOS of the VLT (Rosset et al. ... VLT instrumentation, ALADDIN InSb detector, NIR imaging, NIR spectroscopy, re-imaging optics, IR optics . ...

... In spite of the good potential possibilities, some of the station "Dnepr" design characteristics did not allow us to apply the usual special IS radar measurement methods. ... Thus for IS signal measurements at the "Dnepr" station, we have developed special methods for recording and processing IS signals in order to determine plasma ionospheric parameters. ... Equations (4-5) from the basis for data post processing to obtain ionosphere parameters. ...

... TBB: retain a few seconds of raw data Off-line follow-up Coherent dedisperse The Matched Filter Optimal detector for a known signal in known Gaussian noise Matches expected signal shape (template, h) to data (s), and sums Pros: optimal for a given Gaussian dataset Cons: requires full signal knowledge , not blind to signal shape Performance : signal -to-noise ratios Template matched to ...

... After hearing and discussing Rocket-Space Corporation Energy General Designer U.P.Semevov's report on the fulfilling the flight program of the orbital complex Mir and proposals on its further exploitation, the Council draws attention to: . ... According to the Russian Government Resolution No. 76 of January 21, 1999 a large amount of work to find and attract Russian and foreign investments to provide the further exploitation of the orbital station Mir was carried out. ...

... 2 Columns At the present time, the REGION table is de ned for a two-dimensional space. ... ROTANG (rotation angle): for rotated elements; like X and Y, this column needs to contain vectors of suфcient length. ... Table 1: REGION Table SHAPEs SHAPE X Y R ROTANG Point X Y Circle Xcen Ycen R Ellipse Xcen Ycen Rmaj ; Rmin Angle Annulus Xcen Ycen Rin ; Rout Elliptannulus Xcen Ycen Rinmaj ; Rinmin ; Angin ; Routmaj ; Routmin Angout Box Xcen Ycen Xsize ; Ysize Rotbox Xcen ...

Telescope Tip-Tilt Secondary Mirror The tip-tilt secondary mirror on the ANU 2.3 m telescope · Measures and adjusts image position at 30 Hz · Corrects image blur produced by turbulence in the Earth's atmosphere · Both the tip-tilt secondary mirror and the 2.3 m telescope were designed and constructed by RSAA ...

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. ...

... Удлиненный женский пуловер Cashemire V-neck PORSHE DESIGN, облагораживающий любую фигуру - выполненная мелкой вязкой модель, которая будет к лицу и телу как девушкам, так и дамам. ... Пол: Женский . ... Тип: Джемперы, Свитеры, Пуловеры . ... Джемперы, Свитеры, Пуловеры . ... Артикул 7382154 . ... Серебряные браслеты . ... Бренд: Epson, Тип устройства: Струйный, Принадлежность: Оригинальный, Тип: Картридж, Цвет: Голубой . ... Тип товара на Маркете: Игровая фигурка . Тип товара: Игровая фигурка . ...

... Next: Electronic Submission of Up: Network Information Systems Previous: An Information System . ... NASA/Goddard Space Flight Center, Laboratory for High Energy Astrophysics, Greenbelt MD 20771 . ... Several tools have been developed at the High Energy Astrophysics Science Archive Research Center (HEASARC) at NASA's Goddard Space Flight Center, including a Remote Proposal Submission (RPS) system for NASA satellite missions. ... It is an automated service, designed to support several missions. ...

... The predictive power of current models (the so-called meteor forecasting) has given us the exact timing of the Leonid storms of 2001 and 2002 to the nearest hour and are now used to predict the arrival times of major annual showers such as the Perseids . ... Towards this goal, the Observatory has installed a sky-monitoring system, consisting of one medium angle (MA) and two wide-angle (WA) video cameras linked to software designed to detect motion. ... Bright Taurid Meteor . ... Meteors on Mars . ...