... Gauging the impact of executing science program across different COS/FUV lifetime positions . ... Changing Programs & Resolving Problems . ... The first such move occurred on 23 July 2012, when the COS FUV spectrum was moved to the COS FUV Lifetime Position 2 (LP2). ... It now appears that the move to COS/FUV Lifetime Position 3 will not occur until early 2015, and so a substantial fraction of Cycle 22 observationsare likely to occur at the COS FUV lifetime position 2, prior to the change. ...

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• COS Instrument Handbook
• WFPC2 Instrument Handbook Update
• COS/FUV Lifetime Position 3 Line Spread Functions and Cross-dispersion Spread

... NFILTCAR is the logical rather than the physical number of carriers; if two or more filter wheels are encoded as a single character in the data, there is effectively only one filter wheel, as far as data handling is concerned. If one filter mechanism carries chromatic filters and another carries ``neutral'' filters, the total number of bands (i.e., rows) in the table should be the product of the number of positions in the two carriers. ...

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• Instrument Description: CASPEC
• Instrument descriptors
• Echelle Spectra

TUI supports the following offsets: . Object Arc offset by a given amount on the sky (i.e. along the arc of a great circle). ... Arc offsets are useful for moving a different portion of your object or a different nearby object onto the boresight . ... Object Arc XY this is identical to an Object offset except that it has been rotated to align along the instrument x-y axes. ... This is just like the Calibration XY offset, except that it is typically cleared when you slew to a new object. ...

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• TUI:Introduction
• TUI:Telescope:Slew Window:Options:Axis Wrap
• TUI:Instruments:NICFPS:NICFPS window

These observations are aimed at fully charactering FORS1 photometric system (UBVRI zero-points, color-terms and extinction coefficients) for the Tektronix 2048x2048 pixel CCD (24µm px) . To this aim, the two Landolt/Stetson photometric fields SA95 and SA101 will be observed on a number of epochs and at different airmasses during February and March 2007. ... SA101 . ... OBs for SA101 have to be observed during evenigh twilight (exceptions are expected for the second half of March) . ...

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• PDB-CV.
• ESO - UT1 Science Verification
• DFS group delivery procedure

Interball-Tail Magnetic field measurements . Magnetic field measurements on-board the Interball Tail Probe are carried out by the FM-3I and MIF instruments. ... FM-3 M2 magnetometer failed in February 1996, FM-3 M1 and MIF are working until now. Data presented here are the combination of the data of all magnetometers. First of all FM-3 M1 data are used, if they are absent, MIF data used and if data of both magnetometer are absent, FM-3 M2 data presented. ...

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• [INTERBALL] pr-7
• Empirical Model of the Nighttime Winter Ionospheric Trough

At Arecibo we have a variety of optical instruments that we use to study terrestrial airglow emissions. ... As a complement to the airglow instrumentation we also maintain a set of optical instruments, called lidars, used for "active" remote sensing of the atmosphere. That is, we generate our own source signal using lasers and measure the characteristics of the light scattered back from the atmosphere. ... An operations manual for the Optical Laboratories is currently under major revision. ...

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• The AO Optical Laboratories National Astronomy and Ionosphere Center (Arecibo
• CIMA Frequently Asked Questions
• on,off position switching offsets

The polar oval complete and partially visibility for the optical instruments on board of the AURORAL PROBE are shown by different symbols . The polar diagram of the Spacecraft positions magnetic mapping during polar oval visibility for the UVAI and UVSIPS cameras. The polar diagram shows the Spacecraft corrected geomagnetic co-ordinates : co-latitude - local time . ... The real time visibility (Moscow time MT=UT+3h). Date is shown along the X-axis, the MT - along the Y-axis. ...

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• Trigonometry beyond 90 degrees
• Polar Orbiting Satellites
• The Wind Spacecraft

SITE 2010 Comprehensive Characterization of Astronomical Sites Kislovodsk, Russia, 49 October 2010 Conference Summary Marc S. Sarazin*a a European Southern Observatory, Garching, Germany Abstract The main topics discussed during the Site 2010 conference are outlined and the outcome is described. Keywords: Astronomical Site testing, precipitable water vapor, atmospheric turbulence, cloudiness, seeing 1. ... Site surveys for National observatory projects in China, India, and Iran benefit from this. ...

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• Methods and instruments to measure/monitor major site properties
• Methods and instruments, general issues

... A detector map is used to provide a grid of positions over which to calculate and flux weight the ARF. The default detector map is 'flat' which has a weighting of 1.0 for each detector map pixel and is rectangular having sides which just encompass the region specified in the DSS. Only detector map pixels falling within the source region are included in the ARF calculation, e.g. for a circular source box, the pixels in the corners of the detector map will be ignored. ... flat : . ...

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• Command-line position entry.

... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . ... The low-resolution, Cassegrain mounted, FORS spectropolarimeter of the ESO Very Large Telescope is being extensively used for magnetic field surveys. Some of the new discoveries suggest that relatively strong magnetic fields may play an important role in numerous physical phenomena observed in the atmospheres as well as in the circumstellar environments of certain kinds of stars. ...

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• J.G. Doyle, Research Astronomer
• Planetary positions
• Time zones

. home . product . gallery . contact .

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... 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. ...

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• Meade Instruments Corporation - Meade Model 9400 Microscope Instruction Manual
• Meade Instruments Corporation - Choosing the Right Microscope
• Meade Instruments Corporation - Meade Model 9460 Microscope Instruction Manual

... HEAD INDEX and HEAD SET for each PASS --------------------------------------------------------------- For 1 Pass Per Head Position: Passes 1 - 14 Head Index 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Head Set 1 1 1 1 1 1 1 1 1 1 1 1 1 1 --------------------------------------------------------------- For 2 Passes Per Head Position: Passes 1 - 14 Head Index 1 2 1 2 3 4 3 4 5 6 5 6 7 8 ... Consider an experiment that uses 2 passes per head position and 4 tracks per channel. ...

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• casacore: casa::RegexBase Class Reference
• Copying, Reordering and Regridding Images
• Some Additional Tools

Next: *.imh and *.qp Extensions Up: IRAF/PROS Files Previous: IRAF Image Arrays . The x-ray data are stored in QPOE files (Quick Position-Ordered Events, *.qp ) rather than image arrays. ... Note that, unlike IRAF images, QPOE files have no associated header file, and are always stored in the current directory, unless explicitly specified otherwise. Non-PROS IRAF tasks can also access QPOE data files in place of image arrays. ... rp110590.qp[pi=2:30] . ... The ROSAT PSPC qp file images are . ...

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• Spatial Region Boundaries
• Spatial Region Coordinates
• The AstroStat Slog Ping Zhao

The following papers summarize the characterization and technical performance of IBIS : . ... Characterization of Fabry-Perot interferometers and multi-etalon transmission profiles. ... Righini, A., Cavallini, F., Reardon, K. P., 2010, Astronomy and Astrophysics , 515 , A85, . ... The filter wheel is located between the two interferometers. ... The interferometers can be rapidly tuned, simultaneously, so to allow sequential scanning of the spectral lines of interest (see movie in IBIS Intro ). ...

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• Procedures for Observations
• INTRODUZIONE
• IBIS - Flat Fielding

Contents] [Prev page] [Next page] [Index] . Navigator 4 from Netscape, which is part of the Communicator product suite, includes three new areas of functionality that taken together give you Dynamic HTML. The three components of Dynamic HTML are style sheets, content positioning, and downloadable fonts. Used together, these three components give you greater control over the appearance, layout, and behavior of your web pages. ... Introducing Downloadable Fonts . ...

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• Summary of Fortran 77 statements
• HTML Document Representation
• Introduction

... This appartus will drop a mass from different heights. When the mass strikes the ground, some percentage of its original energy will be absorbed by the ground. ... The percentage of the energy which is absorbed by the surface on each "bounce" (EAS) . ... The impact velocity of the object will also be given at each bounce. ... Start= Drop the ball after Energy, Mass and EAS have been set; resume after step or pause has been selected . ... Reset = Reset experiment to intial values . ...

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... Second, the observatory can control the configuration, test data analysis procedures, and provide calibration solutions with the help of instrument models. This paper presents the VLT object-oriented framework for the development of ETCs (Exposure Time Calculators) and data simulators. ... Instrument simulations are being developed for the purpose of predictive calibration, instrument configuration control, and evaluation of data analysis procedures. ...

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• ADASS Conference Series
• Novel Use of a Simulator for the Calibrations of Scientific Instruments
• ADASS 2002 Conference Proceedings

... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2003 March 30 . Beijing Ancient Observatory . ... Explanation: Did observatories exist before telescopes ? One example that still stands today is the Beijing Ancient Observatory in China . ... It is interesting to compare the above picture to one taken in 1895 . ... About APOD | ... NASA Web Site Statements, Warnings, and Disclaimers . ...

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• Vector Operations
• APOD: 2016 February 5 - Massive Stars in NGC 6357
• APOD: 2008 October 9 - Massive Stars in NGC 6357

Magnetic field measurements onboard the Interball Tail spacecraft are carried out by the FM-3I instrument which consists of two flux-gate magnetometers covering two different ranges: [-200, +200] nT and [-1000, +1000] nT. Besides scientific goals, the FM-3I experiment data is used to perform the attitude control of the Interball Tail spacecraft. ... August 22, 1995 . ... October 18, 1995 . Top of the page . ... Back to the Interball Home Page . ...

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• Sensors
• The Wind Spacecraft
• Polar Orbiting Satellites