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http://space.univ.kiev.ua/ephem/exp/Ea5.html.

1. Algorithm for apparent place computations.
... For calculation of apparent place of some star there are two methods. ... The second method is to use formulae of this page together with information from 'Mean places ...' and 'Reduction quantities' pages. ... Here: ALPHAmean, MUalpha - mean right ascension and mean proper motion in right ascension of some star at mean epoch of the year, . DELTAmean, MUdelta - mean declination and mean proper motion in declination of some star at mean epoch of the year, . ...
[ Сохраненная копия ]  Ссылки http://space.univ.kiev.ua/ephem/exp/alaa.html -- 2.8 Кб -- 16.10.2004
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2. 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/94NOV/vol2/node147.html -- 3.4 Кб -- 23.02.1996
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3. Algorithm
... read parameters; ################# start format upgrade section. if (filemode eq 'modify') { # convert old-style source list if necessary: if (! instrument_supplied) { if (hasAttribute( set , 'INSTRUME')) { instrument = stringAttribute(oldListSet, 'INSTRUME'); } else { # attempt to get it from file name: if (! instrument_in_filename) { call error;} } } call CAL_setState(instrument=instrumentId); rename table to 'SRCLIST'; get ...
[ Сохраненная копия ]  Ссылки http://xmm.vilspa.esa.es/sas/6.5.0/doc/rgssources/node30.html -- 10.3 Кб -- 16.08.2005
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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. Explanations for solar physics computing page
This document explains values, tables and other matters on solar physics computing pages. ... is040423.ete : SAHA-S tables, interpolation values: T, rho, X. Z is fixed at 0.02. See reference above. opal2005.etf : OPAL EOS, interpolation values: T, rho, X, Z. Downloaded from OPAL site , marked there as "2005", seems to be unpublished. opal2001.etf : OPAL EOS, interpolation values: T, rho, X, Z. Rogers F.J., Nayfonov A. Astrophys. ... The following values can be calculated: . ... dimensionless . ...
[ Сохраненная копия ]  Ссылки http://crydee.sai.msu.ru/physics/phys-help.html -- 8.0 Кб -- 21.10.2009
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6. (Untitled)
An ephemeris can be calculated with different accuracy. Calculation accuracy dialog presents three modes of accuracy. One can calculate position of a minor planet by the formulae of elliptic motion starting from the fundamental set of elements for given minor planet. ... Also there is possibility to calculate positions taking into account perturbations from different sets of perturbing bodies by numerical integration ( Integration mode). ... Accuracy of integration is equal to 10**(-10) AU. ...
[ Сохраненная копия ]  Ссылки http://www.ipa.nw.ru/PAGE/FUNDAMENTAL/LSBSS/winample_guide/user34xl.htm -- 3.2 Кб -- 10.04.2016
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7. Benchmarking the calculation of stochastic heating and emissivity of dust
Context. Thermal emission by stochastically heated dust grains (SHGs) plays an important role in the radiative transfer (RT) problem for a dusty medium. ... Aims: We define an appropriate problem for benchmarking dust emissivity calculations in the context of RT simulations, specifically including the emission from SHGs. ... It also includes a series of analytically defined radiation fields to which the dust population is to be exposed and instructions for the desired output. ...
[ Сохраненная копия ]  Ссылки http://www.stsci.edu/~kgordon/papers/2015A&A...580A..87C.html -- 5.1 Кб -- 21.01.2016
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8. Algorithm for calculations of the Voigt function
Algorithm for calculations of the Voigt function . ... алгоритма расчета профиля Фойгта ! ... функция Фойгта ! текст модуля на языке Паскаль (Delphi) для ее вычисления ! ... github.com...dawson.cpp процедура Хумличека для вычисления функции Фойгта ! ... Humlicek 1979 JQSRT v21 p309 ! ... 2005A+A___442___11F 2006 Tepper-Garcia, MNRAS, v369 p2025 ! 2006MNRAS_369_2025T 2007 Letchworth and Benner, JQSRT, v107 p173 ! ... 2009JQSRT_110__376A 2014 Abrarov and Quine, J. Math. ...
[ Сохраненная копия ]  Ссылки http://www.uafo.ru/msg/voigt.html -- 9.2 Кб -- 07.08.2015
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9. Prediction technique
Geomagnetic storms and substorms are a natural hazard similar to hurricanes, floods etc. ... Solar and geomagnetic activity also probably influences the Earth's climate and human health. ... Under southward directed IMF the Earth's magnetosphere is open to input from the solar wind flow. ... Since practical importance of solar wind measurements was recognized, a number of approaches was developed for prediction of the geomagnetic activity basing on the solar wind data. ...
[ Сохраненная копия ]  Ссылки http://www.iki.rssi.ru/apetruko/forecast/epsilon.html -- 7.5 Кб -- 27.01.2000
[ Сохраненная копия ]  Ссылки http://www.cosmos.ru/forecast/epsilon.html -- 7.5 Кб -- 27.01.2000
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10. Plasma theories [Oulu]
spaceweb@oulu.fi - last update: 28 May 1995, 0800 UT . Advanced plasma theories are extremely important when one tries to explain, for example, the various waves and instabilities found in the plasma environment. ... In the kinetic theory it is necessary to know only the distribution function for the system of particles. ... The dependence of the distribution function on the independent variables r , v , and t is governed by an equation known as the Boltzmann equation . ... Hot plasma theory . ...
[ Сохраненная копия ]  Ссылки http://www.iki.rssi.ru/magbase/REFMAN/SPPHTEXT/theories.html -- 8.4 Кб -- 21.12.2007
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11. shmidt_e
RATAN-600 radio telescope . ... In the "radio-Shmidt telescope" mode the antenna system the South sector of the main mirror with the flat mirror ("South+Flat") of the RATAN-600 radio telescope is used. ... The antenna system the South sector with the flat mirror. ... The flat and circular mirrors of the RATAN-600 form the basis of the system. ... In the case of antenna system "South+Flat" the planoid is flat mirror, the circular reflector of RATAN-600 is the second mirror. ...
[ Сохраненная копия ]  Ссылки http://mavr.sao.ru/hq/len/schmidt_e.htm -- 9.4 Кб -- 24.02.2010
[ Сохраненная копия ]  Ссылки http://www.sao.ru/hq/len/schmidt_e.htm -- 9.4 Кб -- 24.02.2010
[ Сохраненная копия ]  Ссылки http://jet.sao.ru/hq/len/schmidt_e.htm -- 9.4 Кб -- 24.02.2010
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12. The Big Bang
... According to the big bang theory, huge amounts of energy were released, giving rise to matter, antimatter and dark matter. ... The Big Bang Theory has enabled scientists to make certain predictions. ... These particles are the building blocks of matter, antimatter and dark matter. ... This could theoretically happen if the hydrogen was shockheated to over 100000 C. The Big Bang Theory is only a theory and so there is no concrete evidence to suggest that it is entirely correct. ...
[ Сохраненная копия ]  Ссылки http://star.arm.ac.uk/~csj/essays/bigbang.html -- 8.0 Кб -- 01.10.2012
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13. Data bases of Natural Satellites. Documentation. Structure
Databases (NSDC) of the Natural Planetary Satellites. ... NSDC: Database of astrometric observations of Natural Planetary Satellites . ... They are thoroughly looking for observations in different sources, creating their owndatabases which are then mostly inaccessible to other researchers. ... In the file "content" with explications, the reference is given to the data source as well as the bibliographic reference. ... Data sources. ... Why a specific bibliographic database for Natural satellites? ...
[ Сохраненная копия ]  Ссылки http://lnfm1.sai.msu.ru/neb/nss/DocStructe.htm -- 11.4 Кб -- 18.05.2009
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14. Own page
. HELLO! HOW ARE YOU? I WONDER! . As you understand, my name is Tanya (KVA - for best friends). My cousin calls me Toussya. My soname is Kondruchenkova. I am seventeen. MY PLANS FOR THE FUTURE .
[ Сохраненная копия ]  Ссылки http://www.schools.keldysh.ru/school1413/eng/the_worl/auth.htm -- 2.4 Кб -- 19.12.2002
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15. Non-parametric Algorithms in Data Reduction at RATAN-600
... Up: Algorithms . ... Non-linear and non-parametric algorithms for data averaging, smoothing and clipping in the RATAN-600 flexible astronomical data processing system are proposed. Algorithms are based on robust methods and non-linear filters using an iterative approach to smoothing and clipping. ... The history of algorithms, based on the robust methods and non-linear filters using an iterative approach to smoothing and clipping, began twelve years ago in the data reduction at the RATAN-600. ...
[ Сохраненная копия ]  Ссылки http://www.adass.org/adass/proceedings/adass96/verkhodanov2.html -- 11.9 Кб -- 23.06.1998
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16. Izmccd
... The described algorithm is suitable for measurements of complex images of stars. ... a) the zero-based number of stars in the complex (multicentric) image, . b) set of preliminary coordinates - x i , y i , for all stars, index i is number of a star, . ... i - index of a star in the complex image; . ... These parameters are calculated by a nonlinear method of a least squares.The main output parameters of this algorithm are x i , y i ; where the index i is number of a star in the multicentric image. ...
[ Сохраненная копия ]  Ссылки http://www.izmccd.puldb.ru/izmccd9e.htm -- 9.9 Кб -- 17.09.2007
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17. Rotang - IDL procedure for calculating the optimum rotation angle for ALFA
Rotang can either be run from the command line as described here or through the alfa_ang GUI . ... To run rotang at Arecibo: . Start IDL . ... rotang, Date , RA , Dec , Time , /choice . Here Date takes the format YYMMDD (e.g. 041128 for the 28 th of November, 2004). ... Rotang also calculates the Azimuth and Zenith Angle fir every source. If the Zenith Angle is greater than 20 degrees, then the program will return that the source is down and will not calculate an optimum ALFA angle. ...
[ Сохраненная копия ]  Ссылки http://www.naic.edu/~ages/rotang.html -- 4.6 Кб -- 22.11.2004
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18. Database of Optical Properties
Next: Examples of data contained Up: Electronic database Previous: Future plans . In astrophysics, the optical constants mainly are used to calculate the optical properties of scatterers, i.e. cross-sections, scattering matrix, etc. ... Optical properties derived from such models have been discussed in some books (see, e.g., [ 2 , 3 ]) and in principle can be calculated by using various light-scattering tools which are freely available via the internet [ 4 ]. ...
[ Сохраненная копия ]  Ссылки http://www.astro.spbu.ru/DOP/5-OPTC/JPDOC2/node5.html -- 6.0 Кб -- 19.11.2010
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19. http://www.atnf.csiro.au/research/workshops/2010/sourcefinding/Jurek.pdf
HI source finding algorithms Comparing the general purpose Duchamp algorithm to a purpose built HI source finding algorithm Talk Outline · Common elements of source finding algorithms · The Duchamp algorithm · · · · Algorithm Strengths Draw-backs Improvements · An alternative HI source finder algorithm · Key differences · Algorithm · Preliminary work · Conclusion Common elements of general ...
[ Текст ]  Ссылки http://www.atnf.csiro.au/research/workshops/2010/sourcefinding/Jurek.pdf -- 297.7 Кб -- 10.05.2010
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20. Pink Black Holes: Frequently Asked Questions
... We have measured this "redshift" for the pink black holes, and allowed for it in our calculations. ... We see this effect in the emission from gas around these pink black holes, but it is far too small an effect to account for the pinkness. Thus the swirling motions of gas around or into the black holes cannot produc the colour. ... At first we thought that these things were normal blue black holes hidden behind clouds of interstellar dust, that absorbed the blue light and made them appear pink. ...
[ Сохраненная копия ]  Ссылки http://www.mso.anu.edu.au/pfrancis/pink/FAQ.html -- 6.9 Кб -- 01.10.2012
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