... For this one needs additionally to associate a weight with each attitude sample. ... time => real64Data(addColumn(binnedAttTab, 'TSTART', REAL64, 's')) raDeg => real64Data(addColumn(binnedAttTab, 'RA', REAL64, 'deg')) decDeg => real64Data(addColumn(binnedAttTab, 'DEC', REAL64, 'deg')) paDeg => real64Data(addColumn(binnedAttTab, 'PA', REAL64, 'deg')) isGood => boolData( addColumn(binnedAttTab, 'IS_GOOD', BOOLEAN)) weights => real64Data(addColumn(binnedAttTab, 'WEIGHTS', REAL64)) . ...

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Next: Discussion Up: The Second EGRET Catalog Previous: First Catalog Sources . In the first EGRET catalog, upper limits were given for selected objects not detected during the Phase 1 all-sky survey. These upper limits are determined using the likelihood calculation and depend on the EGRET exposure to a given direction, the contribution of the diffuse gamma radiation, and the proximity and strength of detected sources. ...

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• Patterns
• Line Detection in the Comparison Spectrum
• Determine H0 using a SQL query to LEDA

... ACS Instrument Handbook . ... Advanced Camera for Surveys Instrument Handbook for Cycle 20 . ... Chapter 1: Introduction . ... 2.2 Comparison of ACS/WFC and WFC3/UVIS . 2.3 Comparison of ACS/HRC and WFC3/UVIS . ... Chapter 3: Introduction to ACS . ... 4.2.2 CCD Spectral Response . ... 4.3.8 UV Light and the HRC CCD . 4.4 The SBC MAMA . ... Chapter 5: Imaging . ... 5.2 Important Considerations for ACS Imaging . ... 5.3 Wide Field Optical CCD Imaging . ... 5.5 Ultraviolet Imaging with the SBC . ...

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• Space Telescope Imaging Spectrograph Instrument Handbook
• ACS Instrument Handbook
• WFC3 Instrument Handbook

... Keywords: Proper Motions, Schmidt Plates, Astrometry, Guide Star Catalog, Palomar Sky Survey . In this paper we describe a program of determining proper motions from digitized scans of 1950's-era Palomar Sky Survey (POSS) Schmidt Plates and 1980's-era Palomar Oschin Schmidt `Quick V' plates that were taken for the Hubble Space Telescope ( HST ) Guide Star Catalogue. ... Arrows indicate the magnitude and direction of the proper motion for the stars. ...

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• Towards Optimal Analysis of HST Crowded Stellar Fields

... Search By Name Enter coordinates Use current location . SUN MOON MERCURY VENUS MARS, JUPITER SATURN . ... Mars . ... How does NASA navigate a Mars rover's direction and determine its location with the planet having no global magnetic field? ... NASA and Jet Propulsion Laboratory engineers used this base map and mathematical techniques to point the rover on its way to Mars and land it within a few kilometers of the target. ... Get instant access to subscriber content on Astronomy.com! ...

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• What is the baseline for determining the magnitude scale of celestial objects?

... ATNF Home . About ATNF . ... About ATNF overview . ... Australia Telescope Steering Committee . ... Australia Telescope User Committee . ... Australian Square Kilometre Array Pathfinder . Murchison Radio-astronomy Observatory . ... Parkes radio telescope . Australia Telescope Compact Array . Mopra radio telescope . ... Australia Telescope Online Archive (ATOA) . ... Visiting Parkes radio telescope . Visiting Australia Telescope Compact Array . ... Parkes radio telescope webcam . ...

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• Comparison of Results
• Comparisons
• Determining Calibration Solutions

... Russian Foundation for Basic Research , Project number 98-02-17366 . ... A number of experiments proposes the d -type of the wave function, having two directions with positive and two (in orthogonal direction) - with negative sign of the order parameter. ... The effect of the wave function phase is most efficiently revealed in the experiments with Josephson structures, that are used for determination of the dependences on the pulse direction. ... The project goals are: . ...

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. Aristarchus was extremely clever and also figured out a way to determine the ratio of distances between the earth and the moon and the earth and the sun. While wrong, at least he reasoned that the sun was much farther from the earth than the moon. Just Try and Follow this! . Summary of Greek Science .

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• Inflationary Epoch
• Astro-2 and the UIT Experiment
• Conservation of Momentum

ATMoB "Double Star Award " Guidelines Purpose: To promote observing among the membership of the Amateur Telescope Makers of Boston ­ in particular, double, triple, and multiple stars. Introduction: Double, triple, and multiple stars are the "Rodney Dangerfields" of the night sky. ... W hile they can be observed under a variety of sky conditions, double stars ­ especially close ones ­ are best viewed on nights when the seeing is steady. ... The direction from a star to Polaris is north. ...

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grdgradient - Compute directional derivative or gradient from 2-D grd file representing z(x,y) grdgradient in _ grdfile -G out _ grdfile [ -A azim [/ azim2 ] ] [ -D [ c ][ o ][ n ] ] [ -L flag ] [ -M ] [ -N [ e ][ t ][ amp ][/ sigma [/ offset ]] ] [ -S slopefile ] [ -V ] grdgradient may be used to compute the directional derivative in a given direction ( -A ), or the direction ( -S ) [and the magnitude ( -D )] of the vector gradient of the data. ... If amp is not given, default amp = 1. ...

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• http://xray.sai.msu.ru/~ivan/gmt/man/psxy.html
• http://xray.sai.msu.ru/~polar/html/publications/pop/serendip/grbhist.txt

... Development of Ideas of Structure and Evolution of Stars. Integral Features of Stars, Which Determine Their Structure, Direction and Rate of Evolutuion. ... Connection between Potential and Thermal Energy of Star. ... Structure of a Main Sequence Star. Features of Massive Stars Evolution on the Main Sequence. Internal Structure of the Sun. ... White Dwarfs, Their Features. ... Evolution from the Main Sequence of Massive Stars. ... Evolution of Small Mass Stars till White Dwarfs Sequence. ...

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There are many ordinary/partial differential equations/systems describing various phenomena in physics, mechanics, chemistry, biology, sociology, etc. ... Prerequisites: 1 semester "Advanced Calculus", 1 semester "Linear Algebra". Optional: 2 semester "Advanced Calculus", 2 semester "Linear Algebra", 1 semester "Functions of Complex Variables", elements of the functional analysis and the ordinary differential equations theory. ... Laplace transform for linear differential equations . ...

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... Moscow, Russia E-mail: krivosheev@iki.rssi.ru Notes: · · The Monte Carlo method (s) is also called the statistical test method An innumerable number of processes can be listed the outcome of which is not determined and has probabilistic nature, but these processes obey statistical laws, so to obtain the result we have to make multiple similar tests, i.e. to use the MC method Because probabilistic processes are widely spread in nature, the MC ...

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• OFO IKI / OSD
• The Exploration of the Earth's Magnetosphere"
• The INTERBALL Tail PROBE orbital elements

Midday line determination by means of gnomon. At midday the shadows of all the objects are directed along the line pointing exactly from the South to the North. ... At one or two hours before midday mark the shadow edge from the pole with the help of a peg. ... Using the free part of the cord as a circle draw a circumference coming through the peg. ... A straight line coming through the middle of the line, connecting the first and the second peg and the base of gnomon is a midday line. ...

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slitless -- Extract a spectrum from a direct/GRISM image pair slitless image grism output PARAMETERS . ... A two dimensional direct image to be used to select an object. grism . A two dimensional GRISM image containing slitless spectra of objects present in the direct image. output . ... Toggle whether or not a background estimate is subtracted from the extracted object spectrum. mingood = INDEF . Pixels of the grism image with values smaller than this are ignored. maxgood = INDEF . ...

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• NICMOS Observes the Galactic Center

The image on the left shows the 7 horns with the X axis along the azimuth arm. ... The beams on the sky are elliptical with the major axis along the azimuth arm. ... If we rotate the feed array by + phi degrees then the projection of each horn center on the X axis is: Px1= S*sin(phi) Px2=S*cos(phi+30) Px3=S*cos(phi-30) . The separation between the projected horn centers are: Distance(Px1-Px0)=S*sin(phi) Distance(Px2-Px1)=S*(cos(30+phi)-sin(phi)=S*(cos(30)cos(phi)-sin(30)sin(phi)-sin(phi)) . ...

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• modelAerostatPeriods
• Orbits in the period / acceleration plane
• ALFA Pulsar Surveys Jim Cordes, Cornell University GALFA Workshop, Arecibo 20

... Colours of stars and galaxies hold information on intrinsic and extrinsic parameters, such as stellar temperatures and galaxy populations, selective absorption and colour changes due different dust contents and inclination angles of galaxies, as well as galaxy redshifts and evolution. ... The colour magnitude diagram of 65000 galaxies to which all above-mentioned quantities and others contribute can only be explained by comparison with simulations. ... Colours are also of technical help. ...

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• VIRCAM Exposure Time Calculator
• HAWK-I Exposure Time Calculator
• ESO - FLAMES Science Verification

On April 14, 2000 UT a series of Shack-Hartmann measurements were made at varying altitudes. ... The tilts and sags shown are those given by the normal Shack-Hartmann analysis. ... Without this feedback, off-telescope tests showed positioning errors on the order of 10 arcseconds in the secondary mirror position. ... Tilt M2 Bk by X" . ... The coefficients m1 through m3 need to be added to those that are currently in the TCC to correct for the secondary translation with respect to the primary. ...

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• TUI:Scripts:Built In Scripts
• M1 Airflow Lab Tests
• Rotation range

... The example demontsrates a way how to use the coefficients arrays and the Software . Let us suppose that we have a direction in the S/C frame, determined by the angles u1, u2, where: u1 - angle between vector and X axis (polar angle) u2 - angle on the YZ plane from Y axis (anticlockwise); . ... We use the file 950909t1 (the beginning data 9.09.06), which line 2 interval beginning : date 10.10.95 , time 1.926 thousands of sec, the interval duration is 4.583 thousand of sec. ...

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• Coordinate systems [Oulu]
• Basic definitions [Oulu]
• The Direction Assigned to Electric Currents

... LABORATORY OF RADIO ASTRONOMICAL OBSERVATIONS . Radio sources identification is one of the most important tasks of the current radio astrophysics. ... Optical idetification. ... Optical identifications of subsample of steep spectra radio sources from RC catalog using 6m SAO telescope of SAO RAS: optical observations. ... Astronomy Reports. ... Identification of radio sources with data of various radio catalogs allows one to construct continual spectrum of the object and its radio structure. ...

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• Results scientific researchs 19
• comedi_dio_config
• Introduction