... The low energy plasma composition spectrometer AMEI-2 is built to be able to find in the low energy range of the phase space (E, q, j) and separate the fluxes of the major ion species in the magnetotail - H+, He++, He+ and O+, and analyse their energy and angular distributions. ... Electrostatic angular scanning in one direction and the use of the spin of the satellite to sample the other angle give the ability to measure 2-D distributions for each ion specie several times per spin. ...

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Sloan Digital Sky Survey Telescope Technical Note 19970523 Charlie Hull and Walter Siegmund . ... A tracking error budget corresponding to the goal is given in that Technical Note. This budget was subsequently updated based on measurements in "2.5-m Telescope Drive Measurements IV: Acceptance Testing" (Sloan Digital Sky Survey Telescope Technical Note 19950608). Table 1 : Tracking error budget. ... Drive disk 2-D high freq. error . ... Az encoding error . ... Encoder capstan error . ...

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• Measurements of 3.5-m Secondary Mirror Motions
• Figure 3
• Tilt and Sag Coefficients: 14 Apr 2000

... HST . STIS-14 . ... Data . ... HST Overview . Overview . ... Cycle 24 Announcement . ... Changing Programs & Resolving Problems . ... Retrieving HST Data . ... ACTIVITY TITLE: STIS CCD CTI Check . ... The SMOV4 STIS-14 CTI activity comprises the first visit in a more extensive Cycle 17 CTI measurement program that will establish a new baseline (post Side-2 failure) for CTE performance. ... This activity is the first visit in the Cycle 17 calibration program to characterize the STIS CCD CTI. ...

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• NICMOS Focus
• ACS Instrument Handbook for Cycle 20
• COS Instrument Handbook

... Bojan Nikolic web pages (r. 329) . ... Using high-resolution three-dimensional realisations of turbulent fields, we investigate the limits on achievable performance of atmospheric phase correction using water-vapour radiometers arising from following effects: the incoherent measurement of power from water by the radiometers (in contrast to coherent detection of the astronomical signal); the different tapers of the response patterns of the astronomical and radiometer receivers; and, the ...

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• PPEUC Programme - Cosmic Microwave Background Workshop

... The tension in members of the telescope changes as we move the dome, ch, azimuth, and tiedown tensions. The lifetime of a beam is counted in the number of times the change in tension goes through a cycle. ... Examples of telescope motion with corresponding unbalanced moment. ... The number of cycles were computed for : 5000, 10000, 15000, 20000 kipFeet momemnt change. ... The number of cycles on the telescope was computed using the change in the unbalanced moment (at a corner). ... cycles . ...

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• ALFA Performance at 1665 MHz
• ALFA Performance
• ALFA performance at 1.665 GHz AO Technical Memo 2004-01

... Alexander V. Stepanov, . Dr. Sci. stepanov@gao.spb.ru . Vice-Directors on Science . Yury N. Gnedin, . Dr. Sci. gnedin@gao.spb.ru . ... Cand. Sci. kanaev@gao.spb.ru . ... Dr. Sci. eroshkin@gao.spb.ru . Advisor of the Russian Academy of Sciences . Victor K. Abalakin, . ... Science Secretary . Yury A. Nagovitsyn, . ... Sci. nag@gao.spb.ru . ... Sci. km@gao.spb.ru . Press Secretary . ... Sci. smi@gao.spb.ru . ...

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Rainer Arlt, an astrophysicist working at Potsdam Observatory in Germany, and co-workers have used observations made at the Armagh Observatory more than 200 years ago to resolve a long-standing mystery regarding the Sun and its approximately 11-year cycle of sunspot numbers. ... However, Arlt's work, published recently in the German international journal Astronomische Nachrichten and the prestigious Astrophysical Journal Letters (USA), indicates that a cycle commenced in 1793. ...

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• Performance
• Armagh Observatory
• Abstract

... Sky: . ... Temperature K . Dark current e - /s/pix . Emissivity . ... Adopted integration time s . ... Object signal e - /pix . Sky thermal signal e - /pix . Sky OH continuum signal e - /pix . Sky OH line signal e - /pix . Telescope thermal signal e - /pix . AOS thermal signal e - /pix . Dewar signal e - /pix . Dark signal e - /pix . Total signal e - /pix . ... This tool models the performance of the Gemini Near-infrared Integral-Field Spectrograph (NIFS) . ...

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• GMTIFS IFS Performance Calculator
• GMTIFS Imager Performance Calculator
• Gemini South Adaptive Optics Imager Performance Calculator

... In this section, we develop a physical model of the secondary as a disk that is centrifugally supported in the radial direction and hydrostatically supported in the vertical direction. We assume that the disk is vertically isothermal and well mixed. ... where is the mean molecular mass of the gas, is the orbital period at the outer edge of the disk in years, and all of the mass of the secondary has been assumed to be concentrated near its center, so the Keplerian approximation is valid. ...

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. The multicolor snapshot at top captures the central region of the giant globular cluster Omega Centauri. All the stars in the image are moving in random directions, like a swarm of bees. From these measurements, they can predict the stars' future movement. The bottom illustration charts the future positions of the stars highlighted by the white box in the top image. Each streak represents the motion of the star over the next 600 years. The motion between dots corresponds to 30 years. NASA/ESA/STScI

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• http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7B3E0CFFB6-07D2-428F-BDC0-4837CEF5A043%7D
• http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7B6D9202E6-5456-4E02-9F2C-7A7AC0BCCA54%7D
• http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7B57F7C707-9D5B-4B00-86BB-531D731F7C1C%7D

Download Izmccd (~2.7 MB). ... a) a choice of the best mode of measurements of stars and objects ("Properties/Measurement"), . b) a choice of reference stars. ... 1) necessity of presence on an image of a plenty of stars (we recommend to apply this mode, if on the frame of reference stars is more 100) . ... Sx and Sy depend from residuals at all reference stars (reference stars are marked by blue color). ... These residuals are the image of the star a minus function of a profile for each pixel. ...

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... CentralProcessor 0.11 documentation . ... For a number of parameters certain keywords are substituted, i.e. %w is replaced by the rank and %n by the number of nodes in the parallel case. ... The ccalibrator is intended to process data from a sufficiently short timescale, where calibratable unknowns can be assumed to be constant (in the ASKAPsoft approach these corrections are applied upstream and each calibration cycle corresponds to a separate execution of the calibration code. ... Parameter . ...

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• SKA_report
• ccontsubtract CentralProcessor 0.11 documentation
• ATCA Correlator Bin Modes

The movie demonstrates a succession of 7 complete measurement frames of SCA-1 on rotating Interball-1 spacecraft. Diagram, inspired by Salvador Dali's paintings, shows all 64 viewing directions and 15 energy steps as spheres. ... The distribution of spheres along viewing direction is linear unlike logarithmic distribution in reality. ... Complete 3-D distribution is measured for about 10s. Rotation of the spacecraft during one measurement frame is neglected. ...

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• Tail Probe | Matrix of Transformation Tail Probe | Matrix of Transformation
• DOK-2 Results Page
• The Direction Assigned to Electric Currents

. The measuring unit of the electrical impedance tomograph. The belt with electrodes for measurements on thorax . The EIT animation reconstructed from the data measured on the volunteer's thorax: . Right . Anterior . The animation represents one respiratory cycle, the cardiac pulsations are visible also. The static visualization is demonstrated: 1 - spinal column, 2 and 3 - right and left lungs, 4 - heart. The brightest colors correspond to highest conductivity .

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• EIT Server Input File Format
• Project 4 - RFBR - Stepantsov, Determination of the space anisotropy of order
• Lab234 - Design, fabrication and experimental studies of a novel device: Cold

... The combination is based on the two common columns across the tables, the CYCLE column and the QUADRANT column. ... For each row in the combined table that the same CYCLE/QUADRANT pair appears, epauxcomb writes out the noted values to the corresponding columns in the combined table. ... A table labelled PNAUX1 containing the following columns:  FRAME of type int-32  CYCLE of type int-32  FTCOARSE of type int-16  FTFINE of type unsigned int-16  QUADRANT of type int-8  CCDID of type int-8 2. ...

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• http://xmm.vilspa.esa.es/sas/7.0.0/doc/epauxcomb.ps.gz
• http://xmm.vilspa.esa.es/sas/7.1.0/doc/epauxcomb.ps.gz
• http://xmm.vilspa.esa.es/sas/6.5.0/doc/epauxcomb.ps.gz

... Details of the TIRGO standard star network are given in Hunt et al. ... These operations are accomplished at the TIRGO through the use of a wobbling secondary system and an automatic beam switching algorithm incorporated in the data acquisition program. The direction of the secondary modulation is adjusted through a toggle switch on the telescope control panel; the position is reflected in a numerical readout on the telescope status screen. ... Point to a bright star. ... Focus the telescope. ...

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• TRASP 2
• Performances of NICS
• The Face on Mars

AUTOMATIC STATION OF ECOLOGICAL CONTROL . ... STATE OF ASEC DEVELOPMENT . ... ASEC . ... Warranted life-time of balloons and calibration mixed gases, months . ... Telemetry system supplying information from each station to ecological center on technical state of gas analyzing equipment and instruments, emergency situations and unauthorized opening of the station. available . ... Calibration mixed gasses are stored inside the balloons as part of ASEC. ... Official WEB-site of S.P.Korolev RSC Energia . ...

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• S.P.Korolev RSC Energia - PRODUCTION OF CONSUMER GOODS
• S.P. Korolev RSC Energia - International Space Station

PERFORMANCE COMPARISION OF KODAK DCS460 DIGITAL CAMERA AND PIXELVISION BACK-ILLUMINATED CCD . ... ABSTRACT : A Kodak DCS460 digital camera (with 1300 x 1000, 9-micron square pixels) and a PixelVision, back-illuminated digital CCD camera (with 1024 x 1024 elements, 12-micron square pixels) were tested at calibrated light levels ranging from 10 -2 footcandles to 10 -5 footcandles. The PixelVision back-illuminated CCD was shown to be 10,000 more sensitive than the Kodak DCS460 CCD camera. ...

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• WISE All-Sky Release Catalog
• HyperLEDA documentation: parameter: Mg2
• Introduction

SLAC Jan 2004 CCD Radiation Damage Studies J. Brau, O. Igonkina , N. Sinev, C. Potter (University of Oregon) January 9, 2004 Outline: · Introduction · Neutron and Electron irradiation · Study of SLD VXD3 · Measurement of the trap filling time · Conclusions O. Igonkina for U.Oregon CCD Radiation Damage Studies 1 SLAC Jan 2004 CCD The ... But is it radiation tolerant? ... The study is to be continued O. Igonkina for U.Oregon CCD Radiation Damage Studies 12 ...

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• http://zebu.uoregon.edu/~uochep/talks/talks07/cluster.pdf
• Astronomy HyperText Book: Fusion Sequences in Stars
• The Hydrological Cycle

INFRARED FOURIER-SPECTROMETER SICH-F . ... Instrument work regimes: 1) Inside. 2) Calibration at inside standard sources 2 - 4 times per a rotation. 3) Calibration at "free space" 2 - 4 times per a rotation. 4) Infrared radiation measuring 10 - 40 min. per a rotation. ... Spectrometer consists of the photodetector block and the block of signal processing and control. ... Diagnostic information and attach data will transfer by state telemetric channels. ... Detector temperature. ...

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• Optical static Fourier spectrometer
• ION AND ELECTRON ENERGY DETECTOR PAN-2