... Let us first find out which way -- rise in spectral resolution with some loss in the S/N ratio or increase in the S/N ratio with a fixed spectral resolution -- is better for the purpose of reduction of equivalent width determination errors. ... N -- number of counts for 1 ? ... line equivalent width, . ... Thus if the spectral resolution is managed to be increased (i.e. to decrease )without loss in the number of counts falling at 1 ?, the equivalent width measurement error is then proportional to . ...

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... Initialise the elemental abundances. FUNCTION TAP_ABMET ( ZELEM ) . ... Return the relative solar photospheric abundance for a given element. ... Return the relative cosmic abundance for a given element. ... This allows the user to use their own abundance data, if required. ... Where no abundance data are available, or the atomic number is out of range, TAP_ABUND returns the value TAPC__DNULL. ... Algorithm: The nuclide abundances are stored and returned as percentages for each element. ...

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... PyFITS is a Python module developed for FITS file I/O. We demonstrated its use for FITS images and tables, illustrating the PyFITS classes and methods, as well as the array manipulation capabilities of numarray. ... The task fitsdiff compares two FITS files and reports their differences, readgeis reads the STScI-style GEIS format files and converts them to FITS files or FITS ob jects. ... PyFITS is a Python module for working with FITS files. For an image, the data block is a numarray ob ject. ...

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... Bad Astronomy . ... Bitesize Astronomy . ... Keep Bad Astronomy close to your heart, and help make me filthy rich. ... It's semi-common knowledge that stars twinkle and planets don't. By semi-common, I mean that a lot of folks know that, but I also mean it isn't strictly true. Stars twinkle because we see them from the bottom of a sea of air. ... These small bundles of air act like little lenses, bending light as it passes through them. ... What we see is the light from the star flickering. ...

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... java.lang.Object ij.gui.Roi ij.gui.PolygonRoi . ... public class PolygonRoi . ... protected int . ... protected void . ... Type must be Roi.POLYGON, Roi.FREEROI, Roi.TRACED_ROI, Roi.POLYLINE, Roi.FREELINE or Roi.ANGLE. public PolygonRoi (java.awt.Polygon p, int type) . ... Type must be Roi.POLYGON, Roi.FREEROI, Roi.TRACED_ROI, Roi.POLYLINE, Roi.FREELINE or Roi.ANGLE. public PolygonRoi (int[] xPoints, int[] yPoints, int nPoints, ImagePlus imp, int type) . ... protected void grow (int sx, int sy) . ...

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RADIOASTROPHYSICAL DEPARTMENT • INSTITUTE OF SOLAR-TERRESTRIAL PHYSICS RAS SB . Radio telescope 's beam General information Main characteristics of the Radio telescope Observing programs General view of the antenna array Main research areas Principle of generation of radio images Receiving systems Main characteristics of the base receiving-recording complex Calibrations Data archive and databases Publication SSRT - Radio telescope's beam . ...

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OFFICIAL PRESS RELEASE . ... the International Space Station . ... P. Semenov, Technical Manager of the Russian Manned Space Programs, General Designer of S.P. Korolev RSC Energia, Academician of the Russian Academy of Sciences, Frederick D. Gregory, NASA Deputy Administrator, N.A. Anfimov, General Director of TsNII of Machine-Building, Academician of RAS, as well as representatives of Roskosmos, NASA, Russian enterprises and organizations participating in the implementation of the ISS program. ...

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THE RELATIVE MONTHLY MEAN SUNSPOT NUMBER ON JANUARY 2015 HAS MADE Wjan.= 67.0, THAT GIVES FOR 66 MONTHS (2014, JULY) DEVELOPMENT CURRENT 24 CYC- LES OF SOLAR ACTIVITY THE SMOOTHED MONTHLY MEAN SUNSPOT NUMBER W*jule = 78.6 THE BEGINNING 24 CYCLES OF SOLAR ACTIVITY - I 2009 with W*=1.8 THE TIME OF THE CURRENT CYCLE MAXIMUM - IV 2014 THE HEIGHT OF THE MAXIMUM - Wmax = 81.9 THE INTERNATIONAL DAILY VALUE OF RELATIVE SUNSPOT NUMBER FOR 2015 , JANUARY ACCORDING DATA OF 71 ...

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A. Shen, Algorithms and programming: theorems and problems, Birkhauser, 1997. "; $programm =" . Basic constructions. Variables, assignments, loops, invariant relations. Arrays. General scheme of one-pass algorithms. ... Tree traversal, backtracking. Finite automata. Sorting and related problems. ... Hashing, trees, balanced trees. Algorithms on graphs. ...

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The database contains references to the papers, data files and links to the Internet resources related to measurements and calculations of the optical constants in the wavelength interval from X-rays to radio domain. ... References to some useful books and reviews on the subject (e.g. the classical handbooks edited by E.D.Palik) and links to Internet collections of optical constants and personal WWW pages with related software were also placed in the database. You have arrived at our welcome page. ...

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... 2008 March 10 . Planets Align Over Australian Radio Telescope Array . ... This picturesque conjunction was caught on camera behind elements of the Australia Telescope Compact Array (ATCA) near the town of Narrabri in rural New South Wales. The ATCA consists of six radio telescopes in total, each one larger than a house. ... About APOD | ... NASA Official: Phillip Newman Specific rights apply . NASA Web Privacy Policy and Important Notices . A service of: ASD at NASA / GSFC . ...

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Research Activities . The research program of the Laboratory is concentrated on experimental investigations of novel superconductors such as high temperature superconductors and organic superconductors and on the studies of artificial rconducting structures such as Josephson junctions, superconducting multilayers and networks. ... It was shown that the crossover from the 0-state to the pi-state of the junction manifests itself as anomalous reentrant temperature dependence of the critical current. ...

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... Намотка сетевого шнура: Ручная . Подходящая расходка: скобы ; . Тип скоб: 53 ; . Размер скоб: 6-14 мм; . ... Минимальный размер скоб: 6 мм; . Максимальный размер скоб: 14 мм; . Тип инструмента: степлер ; . ... Механические степлеры . ...

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The solar array consists of 14 + 4 parallel connected solar panels with the sections of 196 x 196 mm in size made on the basis of silicon solar cells. ... After deploying their axes have 100 deg angle with respect to subsatellite axis directed toward Sun. Four solar panels are reserved and switched to the system of subsatellite energy supply together with their DC/DC converter-inverter MPC after degradation of the panels initially switched on. ...

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... 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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Find Similar Abstracts . ... The velocity of clusters of galaxies relative to the microwave background. ... BACKGROUND RADIATION, GALACTIC CLUSTERS, MICROWAVE SCATTERING, VELOCITY MEASUREMENT, HIGH TEMPERATURE GASES, MICROWAVES, POLARIZED RADIATION, RADIAL VELOCITY, RADIO ASTRONOMY, THOMSON SCATTERING . ... Use: Authors Title Abstract Text Text Query with Keywords Return: Query Results Query Form Database: Astronomy Instrumentation Physics and Geophysics ABSTRACT QUERY USER FEEDBACK HELP ...

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... The first column shows the kinematical diagrams, where is the angle between the line of sight on the object and the vector of rotation about Z -axis, and V S is objects line-of-sight velocity relative to an observer at rest at the position of the Sun. The straight lines are regression fits, whose slopes yield the subsystem’s rotation rate. The second column shows the relations between metallicity and distance from the Galactic plane. ... privious figure | next figure . ...

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... In particular, members of the project regularly organize events dedicated to various interesting astronomical phenomena and events - solar and lunar eclipses, transit of Venus, etc. A total lunar eclipse will occur on April 15th, 2014, the first in two and half years. ... GLORIA will travel to Peru to broadcast the event live. ... Lunar eclipse . Lunar eclipses occur when the Moon passes into the Earth's shadow. ... A partial eclipse will be visible from the Canary Islands. The broadcast . ...

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... The Science Operation Department is composed of Astronomers, Telescope Instruments Operators(TIOs) and Data Handling Administrators(DHAs). ... Astronomers have proposed several methods to quantitatively measure the amount of turbulence above the telescope, which the most common ones is Differential Image Motion Monitor (DIMM). In optical testing, the Hartmann test is the common method to test the quality of optical components. ... Hartmann mask consists of 48 lenses. ...

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. Go Here for Hubble Ultra Deep Field . ___________________________________________________________________ The Electronic Universe Project e-mail: nuts@moo.uoregon.edu

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