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http://www.sao.ru/precise/Midas_doc/doc/94NOV/vol2/node147.html.

1. Airmass Calculation
... In most cases it will however be necessary to compute an appropriate airmass using the COMPUTE/AIRMASS . ... It is important to keep in mind that ``mean airmass'' and ``mean atmospheric extinction correction'' are different from the values at mid-exposure, especially for larger zenith distances. ... For reasonable combinations of exposure time and zenith distance, the weighted mean airmass supplied by COMPUTE/AIRMASS should be appropriate. ...
[ Сохраненная копия ]  Ссылки http://www.sao.ru/precise/Midas_doc/doc/95NOV/vol2/node136.html -- 3.4 Кб -- 23.02.1996
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2. Updates to the STIS Calibration Software, Reference Files, and OTFR Pipeline
... Updates to the STIS Calibration Software, Reference Files, and OTFR Pipeline Products . ... Data . ... Software . ... Retrieving HST Data . ... Recent updates to the STIS calibration include changes to the CALSTIS code, updates to reference files, and revisions to rules determining the default settings for some calibration flags. ... This new version of CALSTIS was implemented in the MAST OTFR pipeline for STScI data as part of the OPUS 2006.1 release on 2005-Dec-13. ... New STIS reference files . ...
[ Сохраненная копия ]  Ссылки http://www.stsci.edu/hst/stis/documents/newsletters/full_stories/0512_stis_cal.html -- 19.0 Кб -- 12.04.2016
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3. Gain-Elevation and Opacity Corrections
Next: Frequency Frame Alignment Up: Calibration Previous: Unit Conversion Index . As higher frequencies (particularly 20 GHz) it is important to make corrections for atmospheric opacity and gain-elevation effects. ... This means that gain-elevation and opacity corrections will not work unless these get recalculated. ... Gain-elevation curves for some telescopes and frequencies are known to ASAP (currently only for Tidbinbilla at 20 GHz and Parkes at K-band). ... ASAP>scans.opacity(0.083) . ...
[ Сохраненная копия ]  Ссылки http://www.atnf.csiro.au/computing/software/asap/userguide/node39.html -- 5.4 Кб -- 05.02.2013
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4. East Siberian Center for the Earth's Ionosphere Research. SW radiosignal
Russian SHAREABLE DATA CENTER Institute of Solar-Terrestial Physics SB RAS . ... The algorithm and appropriate program for decametric radiosignal propagation conditions prediction for paths from 500 to 9000 km have been developed at ISTP SB on the basis of normal wave method (AltyntsevaB.I,Iliyin N.V., Kurkin V.I. and others //Decameters channel simulation on the base of normal wave method . ... Solar activity indices are chosen automatically from the prediction date from the database . ...
[ Сохраненная копия ]  Ссылки http://rp.iszf.irk.ru/esceir/lchmen/predicten.htm -- 8.0 Кб -- 02.06.2001
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5. A New PROS Task for Calculating HRI Source Intensities or Upper Limits
... Next: The PROS Big Up: Software Systems Previous: Data Reduction Software . ... The srcinten task provides PROS users with a tool to compute count rates for point sources in the ROSAT High Resolution Imager (HRI). ... Corrected upper limits are cited at locations where the count rate falls below the source detection threshold. ... Srcinten is a new PROS task that computes and applies the above correction factors to the net counts in a user-specified aperture. ...
[ Сохраненная копия ]  Ссылки http://www.adass.org/adass/proceedings/adass94/chenj.html -- 11.4 Кб -- 03.11.2000
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6. http://www.naic.edu/alfa/memos/ealfa/calmemo.pdf
Calibration of ALFA data in LiveData R. Minchin Abstract The calibration factors to be entered into LiveData have been calculated, for the parameters used for the AGES and ZOA E-ALFA pro jects and a method is described for calculating these more generally. ... The calibration factors 1 2 Testing the calibration http://www.naic.edu/~ rminchin/alfacal.shtml Three AGES cubes have so far been constructed using this calibration: the completed NGC 1156 and NGC 7332 cubes and the incomplete Abell 1367 cube. ...
[ Текст ]  Ссылки http://www.naic.edu/alfa/memos/ealfa/calmemo.pdf -- 62.5 Кб -- 28.02.2007
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7. ALMA WVR phase correction algorithms and software Bojan Nikolic web pages (r.
... Bojan Nikolic web pages (r. 329) . ALMA . ... LibAIR is the atmospheric inference library that is the main core of the algorithms for phase correction of ALMA data using water vapour radiometers that we are developing in Cambridge. ... The library and algorithms are documented in the series of memo?s which are being posted at page on inference of coefficients for use in phase correction. ... ALMA WVR phase correction algorithms and software . ... Introduction to phase correction for ALMA . ...
[ Сохраненная копия ]  Ссылки http://www.mrao.cam.ac.uk/~bn204/alma/wvrsoft.html -- 16.4 Кб -- 04.04.2016
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8. Elements of Algebra
... The simple pair of formulas derived in problem (8) . ... around the z axis, , giving the above result and producing (x',y'), while z remains the same, so that in the new system z' = z. Then we rotate (x',y',z') by an angle ? around the x' axis, using the same formulas but with (y',z', ?) in place of (x,y, ?) ... Knowing its semi-major axis a, eccentricity e and mean anomaly M, one can derive its true anomaly f (using appropriate formulas, not given in #12a) and from it the radial distance r . ...
[ Сохраненная копия ]  Ссылки http://www.iki.rssi.ru/mirrors/stern/stargaze/Srotrans.htm -- 5.0 Кб -- 21.12.2007
[ Сохраненная копия ]  Ссылки http://www.cosmos.ru/mirrors/stern/stargaze/Srotrans.htm -- 5.0 Кб -- 22.12.2007
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9. pipeline packages
... Performs adaptive smoothing on EPIC or OM images. PostScript . ChangeLog . ... Calculates sky coordinates on an event-by-event basis . ... Perl script for the EPIC MOS pipeline . ... Defines final list of events, their position and time for EPIC-MOS . ... Creates cosmic background-filtered event lists, images, lightcurves and a qdp plot from EPIC MOS or PN pipeline-processed event lists . ... Correct RGS event positions for spacecraft pointing . ... Constructs an RGS event list . ...
[ Сохраненная копия ]  Ссылки http://xmm.vilspa.esa.es/sas/8.0.0/doc/packages.pipeline.html -- 18.7 Кб -- 02.07.2008
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10. Calculation of Extinction from Optical Colors
Next: Infrared Data Up: Contents Previous: Optical Photometry . ... For example, one method is to derive the spectral energy distribution (SED) for a target star and compare it to the SED of a dereddened standard star. ... Temperature can be determine via the B - V color (Gilliland 1985): . ... The results produced small extinctions to the background stars of between A and A . ... The most accurate extinction calculation requires both IR and spectral data. Infrared Data . Spectroscopic Data . ...
[ Сохраненная копия ]  Ссылки http://hea-www.harvard.edu/~swolk/thesis/optical/node5.html -- 6.3 Кб -- 02.10.2012
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11. http://www.ipa.nw.ru/conference/wpltn2012/docs/24/1100%20shargorodsk.pdf
... Laser GLONASS" is a combination of methods and technology that will radically reduce that error. ... 2 LASER GLONASS Purpose of creation of laser technologies and systems Achievement of GLONASS target characteristics Component of error of position and time determination due to the space segment real time ­ up to 0.6 m and 0.1* m (base values ­ 2.8 m and 1.0* m) in posterior mode ­ up to 0.03 m (base value 0.1 m) up to 1 ns (base value ... 14 LASER GLONASS Thank you for your attention! ...
[ Текст ]  Ссылки http://www.ipa.nw.ru/conference/wpltn2012/docs/24/1100%20shargorodsk.pdf -- 1121.0 Кб -- 01.10.2012
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12. Astrophysical Research Consortium - Apache Point Observatory
... aiscam@finesse . ... Install Appropriate Filters and Edit filters.txt file . Edit filters.txt file on aiscam@finesse in /home/aiscam/config . ... aiscam: filter -ini ; initializes filter information . aiscam: filter -r ; lists filters installed . aiscam: filter 4 ; moves filter wheel . ... aiscam: fpzero -w 4044.4 -1591.47 ;set fpzero with wavelength and central z . ... aiscam: file dark ;set filename for dark exposures . ... aiscam: file bias ;set filename for biases, no time needed . ...
[ Сохраненная копия ]  Ссылки http://www.apo.nmsu.edu/35m_operations/35m_manual/Instruments/FabryPerot/FabryPerot_usage.html -- 15.9 Кб -- 29.06.2006
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13. Work Scan Program + Data Viewer (IDL widget)
For the calibration of RATAN-600 data you will need to Download Nobeyama Fluxes (1, 2, 3.75, 9.4, 17 GHz): year 1999 2000 2001 2002 2003 . Brief description of Work Scan . Main functions of processing, realized in the program are: . ... Correction of various (not fatal) defects of data; . ... Calculating of the lower enveloping curve or an average scan from observations data for a few days; . ... COMMENT This table contains the set (TFIELDS) of 1-dimensional (TFORM# . ... AZIMUTH = 'float' / . ...
[ Сохраненная копия ]  Ссылки http://mavr.sao.ru/hq/sun/software.htm -- 8.5 Кб -- 24.02.2010
[ Сохраненная копия ]  Ссылки http://www.sao.ru/hq/sun/software.htm -- 8.5 Кб -- 24.02.2010
[ Сохраненная копия ]  Ссылки http://jet.sao.ru/hq/sun/software.htm -- 8.5 Кб -- 24.02.2010
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14. NPOI Lab
... The plot widgets as shown below are created using Calibrate|Visibility|PLOT . The one on the left is the general plot selection widget, the one on the right, the (data) index selection widget, is created when additional input is required as to the indices of the selected data. ... The calibration is applied to all stars selected in the plot selection widget. ... Below is the screen print after clicking on "Calibrate". Solution calculated for OB= 1, Bl= 1, Ch= 2. RMS [%] = 1.876) . ...
[ Сохраненная копия ]  Ссылки http://www.eso.org/~chummel/oyster/lab/amplitudes.html -- 7.3 Кб -- 26.11.2007
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15. Initial Distributions of Binary Parameters
Next: Star Formation Rate and Up: No Title Previous: Calculation of Evolutionary Tracks . To start calculations, we choose the distributions of the initial binary parameters: the mass of the primary ZAMS component, , binary mass ratio, , orbital separation a . ... whereas the mass ratio distribution is not. ... The zero assumption often made is that the mass ratio distribution has a flat shape, that is binaries with a high mass ratio occur as frequently as those with equal masses. ...
[ Сохраненная копия ]  Ссылки http://xray.sai.msu.ru/~mystery/articles/review/node39.html -- 14.1 Кб -- 26.02.1997
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16. K-corrections calculator
Welcome to K -corrections calculator, simple service allowing one to determine K -corrections of a galaxy, given its redshift and one or more colours. ... K -correction in choose filter.. ... Redshift . Colour choose colour.. Colour value . Calculator . ... calculate spectral energy distributions , K-corrections calculator , GALEX FUV NUV , UKIDSS YJHK , K-corrections of galaxies , spectral based k-corrections , SDSS filter set K-corrections , K correction code IDL , kcorrect IDL C , . ...
[ Сохраненная копия ]  Ссылки http://kcor.sai.msu.ru/ -- 25.9 Кб -- 22.05.2013
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17. http://www.gao.spb.ru/english/as/j2014/presentations/bezmenov.pdf
... INTRODUCTION Some Analysis Centers in Russian Federation such as Information-Analytical centre of positioning, navigation, and timing (IAC PNT) TSNIIMASH, Mission Control Centre (MCC), High-precision ephemeris and time correction estimation system (HETCES/SVOEVP) as well as a number of Analysis Centers of the International GPS Service for Geodynamics (IGS) are producing daily precise orbits and time corrections of GLONASS satellites. ... Calculation of weights of both the Centers and the satellites....
[ Текст ]  Ссылки http://www.gao.spb.ru/english/as/j2014/presentations/bezmenov.pdf -- 756.9 Кб -- 06.10.2014
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18. ASP: Astrophysics for a Ten-Year-Old Mind
A joule expended continuously for one second is a watt, which means a liter of water, converted to energy could power a 1 watt light bulb for 9 • 1016 seconds, or 2.5 • 1013 hours. ... What would happen if you turned all those light bulbs on for two and a half hours? ... One joule is equal to about four food calories. ... Minding Your Joules . ... Energy is given in joules and not many kids know what a joule is. ... one estimate gives the energy yield of the Big Bang as 10 68 joules . ...
[ Сохраненная копия ]  Ссылки http://www.astrosociety.org/edu/publications/tnl/43/astromind3.html -- 11.0 Кб -- 02.10.2012
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19. Second order reduction quantities. Explanations for Computer Ephemeris.
Computer Ephemeris. Second order reduction quantities. Explanations. This page consist of four little tables. First and second tables contains J a (in 0.000001 s ) and J d (0.0001") for nothern declination, third and fourth contains the same information but for southern declination. Each table have 13 informational columns headed with right ascension values, and some amount of rows, labelled with date. ...
[ Сохраненная копия ]  Ссылки http://space.univ.kiev.ua/ephem/exp/Ea5.html -- 2.3 Кб -- 16.10.2004
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20. http://zebu.uoregon.edu/~uochep/talks/talks05/trackrecon.pdf
SiD Tracking using VXD Nick Sinev, University of Oregon Plan Motivation Track reconstruction algorithm Performance for single tracks Does it have any limits ? With backgrounds To do Motivation Tracking in SiD is a challenge, especially pattern recognition. ... Limitations caused by reconstruction speed consideration In the presence of high number of background hits, number of 3-point combinations used as track seed became enormous if we consider all combinations. ...
[ Текст ]  Ссылки http://zebu.uoregon.edu/~uochep/talks/talks05/trackrecon.pdf -- 174.2 Кб -- 29.03.2005
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