WFC3 Instrument Handbook for Cycle 24 . ... Wide Field Camera 3 Instrument Handbook for Cycle 24 > Appendix A: WFC3 Filter Throughputs > A.2 Throughputs and S/N Ratio Data . ... Note that the plots show the S/N as a function of source magnitude for exposure times as short as 0.1 s, although the minimum exposure time for the UVIS channel is actually 0.5 s. Wide Field Camera 3 Instrument Handbook for Cycle 24 > Appendix A: WFC3 Filter Throughputs > A.2 Throughputs and S/N Ratio Data . ...

Next: Hierarchical Wiener filtering Up: Noise reduction from Previous: The convolution from . Let us consider a measured wavelet coefficient at the scale i . We assume that its value, at a given scale and a given position, results from a noisy process, with a Gaussian distribution with a mathematical expectation , and a standard deviation : . ... We get: . ... This is done from the study of the variation of the noise between two scales, with an hypothesis of a white gaussian noise; . ...

... Analysis of in-orbit data closely follow the CSL data analysis. Stars with known astrometric positions are matched with their image centroids. ... The measured position, the expected position and the offset between the measured and expected positions are calculated and written into a file. ... select catalogued positions for different observations/pointings (e.g. positions of objects in photometric sequence) . ... The new distortion map was generated from in-flight observations of the G153 field. ...

Main Sections LabIR main page . Instrument page . ... Special Sections Software Page . ... LabIR staff . Companion Pages Skysoft Home . Tirgo Page . ... LabIR Hotlist . ... Arcetri Infrared Instrumentation Group . Largo E.Fermi 5 I-50125 Firenze . Phone (Italy) 055 2752 289 . Fax (Italy) 055 2752 292 . ... Firenze, August 1997 ...

Next: The Chandra Automatic Data Processing Infrastructure . ... This is done with a Kalman filter and Rauch-Tung-Striebel (RTS) smoother, which are key components of the overall aspect solution software. ... The schematic shown in Figure 1 illustrates the basic flow of the Kalman filter design for Chandra aspect determination (Gelb 1974, TRW Memorandum 1996). ... Figure 1: Chandra Aspect Kalman Filter Schematic. ... The filter alone is not able to use future data to produce estimates. ...

... It contains 2 (1 for each polarization) by 4 separate filters that are switch able via the computer. filter 1 is a motor driven tuneable filter covering 1000 to 2000 Mhz with a 2% bandwidth. filter 2 is a ??? . ... An hp34907 dac generates a voltage that corresponds to the requested frequency. ... It steps the filter from 1000 to 2000 Mhz in 25 Mhz steps. ... You now have 41 requested voltages and measured frequencies going from 1000 to 2000 Mhz. ... 20 Mhz) when fit over the 1000 to 2000 Mhz range....

... INSTRUMENT: SurveyCam FILTERS: Stromgren uvby, 2" square COMMENTS: remote observations are expected BRIEF SCIENCE JUSTIFICATION: Last decade numerous faint structures at the periphery of regular galaxies, as arcs, tails, or streams, have been discovered (see e.g. Martinez-Delgado et al., ... The broad-band photometry is used for observing the faint structures, but it does not allow to break the age-metallicity degeneracy efficiently. ... The standard Stromgren set is available at APO. ... 2014). ...

... Science . ... Science Users Information > Data Handling and Products > Data Reduction FAQ > I see unexpected boxy emission-like features in my REDL spectra - where do they come from? ... Observing with ESO Telescopes . ... ESO-MIDAS . ... ESO Data . ... The pipeline by default interpolates across the bad columns in the REDL CCD when it creates the master bias, but does not so when it processes the science data. This inconsistency can create boxy emission-like features as seen in the figure below. ...

... Meade Instruments Corporation . ... Meade Pictor 616A Color Filter System Instruction Manual . ... Remove the Meade Pictor 616A Color Filter System from the telescope or camera. Use the supplied hex wrench to remove the three screws from the telescope side of the Meade Pictor 616A Color Filter System. Position your Meade Pictor 616A Color Filter System to align with the diagram below. ... Carefully screw each filter into the wheel, and re-assemble the Meade Pictor 616A Color Filter System. ...

... Unexpected Galaxy String in the Early Universe . ... 20.01.2004 . ... NSF , NASA Explanation: How could such a long string of galaxies form so early in the universe? Several new measurements of galaxies and clusters in the early universe are reporting structures involving galaxies and clusters that are larger than expected with the new standard "dark-energy" cosmology . ... Publications with keywords: galaxies - early universe . Publications with words: galaxies - early universe . ...

... S.P. KOROLEV ROCKET AND SPACE CORPORATION ENERGIA . ... OAO RSC "Energia" . ... Company's History . ... History . Brief History of Rocket and Space Technology . ... Project History . ISS Russian Segment . Steps of ISS Assembly . ... These measuring instruments together with the developed methods of biosensor conservation for long periods of time allow to execute on-line monitoring of toxicity of the solutions and water on the orbital station. ... 2015 JSC "S.P. Korolev RSC "Energia" . ...

... 2004 January 20 . Unexpected Galaxy String in the Early Universe . ... Explanation: How could such a long string of galaxies form so early in the universe? Several new measurements of galaxies and clusters in the early universe are reporting structures involving galaxies and clusters that are larger than expected with the new standard "dark-energy" cosmology . The controversy centers on the inability of a dark-energy dominated universe to create such large structures. ... About APOD | ...

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... PROBLEMS: "Unknown" (i.e. no physics model) components; What's a "Good-Enough-Fit" (e.g. Poisson)? ... ASIDE: MULTI-SCALE FOR POISSON - called Multiplicative Multiscale Innovation Models MMI Slides courtesy of R.Willett, SAMSI 2006 Timmermann Nowak, 1999 Kolaczyk, 1999 ASIDE: MULTI-SCALE FOR POISSON - called Multiplicative Multiscale Innovation Models MMI Slides courtesy of R.Willett, SAMSI 2006 Timmermann Nowak, 1999 Kolaczyk, 1999 ASIDE: MULTI-SCALE FOR ...

... I have compiled a list of throughput filter curves from a variety of telescopes, instruments, and surveys. Click on the name of the filter to download it. The first line of each filter is the zeropoint for that filter. If the filter is in the AB system, it is listed as 0.0 (or in otherwords -48.55). ... Filter . Effective Wavelength . ... A_V . ... 0.987 . ... 0.050 . ...

Simulations for ALMA: Discussion points Robert Laing European Instrument Scientist Simulations for ALMA IRAM, Sept 8 -11 2008 Issues for the user What simulations are needed to help (inexperienced) users? ... What can we do to promote collaboration ALMA 3 Robert Laing European Instrument Scientist Simulations for ALMA Technical Issues Voltage patterns Critical for I and polarization Start with EM simulations; then use measurements Can we do better than MEM / multiscale clean? ...

... Обзор LPR фильтра. Впечатления от наблюдений с LPR фильтром. ... Характеристики цветных фильтров Baader-Planetarium . Мой перевод pdf- файла о фильтрах с сайта Baader-Planetarium (379 кб) . ...

... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . ... The top panel shows an image of the Sun in the O VI 1032 line obtained on 1996 June 7 by the SUMER instrument, with the three regions for which O VI 1032 and 1038 line intensities were determined from SUMER spectra labelled as A, B and C. The remaining panels show plots of the measured I(1032)/I(1038) ratios for each region. ... A similar effect can take place between lines of differing optical depth. ...

DOK-S spectrometer is designed to measure the energetic spectrum and angular distribution of electrons in the energy range 20-180 keV and of ions in the range 20-1300 keV. In the main operational mode the range of measurements includes 8 energy channels. The instrument consists of two units: detector unit and electronics unit. ... Contact persons: K.Kudela - Institute of Experimental Physics, Slovak Acad. ... J.Simunek - Institute of Atmospheric Physics, Czech Acad. ... Prague, Czech Republic. ...

MAKING THE PROFILES . First of all you are expected to load a FITS file ("FILE"-"LOAD"). ... By pressing the middle button you copy the profile from the first profile window to the second one. ... An example: first integral can correspond to the profile of active region and second integral can correspond to the profile of quiet chromospheric region. ... The second profile (which is subtracted from the first one) you extract after clicking on "SUBTRACT"-"MARK QUIET PROFILE" and marking the region. ...