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1. 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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2. Calculating the PNT keywords
... The RA_PNT , DEC_PNT and PA_PNT keywords, together with the AVRG_PNT keyword which records the type of average used, are meant to describe the average value of the spacecraft attitude during the exposure. ... attsource =`binned': whatever values of the PNT keywords calculated by attbin and stored in the inbinnedattset dataset are simply copied over. attsource =`odf': PNT values are sought from the header of the dataset pointed to by pntkwdset . ... In this case AVRG_PNT is set to `FIXED'. ...
[ Сохраненная копия ]  Ссылки http://xmm.vilspa.esa.es/sas/8.0.0/doc/evproject/node8.html -- 5.1 Кб -- 02.07.2008
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3. 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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4. cat5
. This Directory contains Model of distribution of density, temperature and effective collision freguency of electrons. Yu.K.Chasovitin. 1998. This Directory contains The program RIM98 for calculating the parameters of the ionosphere to use the "Reference Ionospheric Model-98" (RIM-98).Yu.K.Chasovitin. 1998.
[ Сохраненная копия ]  Ссылки http://www.wdcb.ru/stp/cat5MOD.html -- 2.2 Кб -- 18.01.2010
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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. Calculation of the average drift angle
... ATNF Home . About ATNF . ... About ATNF overview . ... Australia Telescope Steering Committee . ... Murchison Radio-astronomy Observatory . ... Parkes radio telescope . ... An Analytic Approximation to the Bounce-Average Drift Angle for Gyrosynchrotron-Emitting Electrons in the Magnetosphere of V471 Tauri . ... To calculate how far the electrons drift before they have lost sufficient energy to be indistinguishable from the ambient population of mildly relativistic electrons we integrate . ...
[ Сохраненная копия ]  Ссылки http://www.atnf.csiro.au/pasa/16_2/nicholls/paper/node4.html -- 56.1 Кб -- 08.04.2016
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7. FOC Image Restoration Using Calculated PSFs on Parallel Architectures
... We describe our image restoration efforts which use an analytical model of the point spread function (PSF) of the Hubble Space Telescope Faint Object Camera (FOC). ... The difficulties involved in modeling the PSF and validating our approach are illustrated using actual FOC and simulated data which have been processed on a massively parallel computer. Keywords: parallel architectures, image restoration, HST, FOC, Zernike Polynomials . ... Approach for Calculating an Analytical PSF . ...
[ Сохраненная копия ]  Ссылки http://www.stsci.edu/stsci/meetings/irw/proceedings/poovendranr.dir/poovendranr.html -- 3.0 Кб -- 18.04.1994
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8. Determination of atmospheric parameters and calculation of chemical composition
... We cannot use for this purpose equivalent widths and profiles of HI lines (well known criteria of atmospheric conditions for normal supergiants), since these lines are strongly distorted in the spectrum of IRAS04296 as seen in Fig. ... Figure: Upper: iron abundance FeI (circles) and FeII (crosses) calculated for IRAS04296+3429 with model parameters , and using lines with different excitation potentials EP of a low level; bottom: the same as a function of the equivalent width W . ...
[ Сохраненная копия ]  Ссылки http://mavr.sao.ru/hq/ssl/IRAS04296/node7.html -- 28.8 Кб -- 02.10.2012
[ Сохраненная копия ]  Ссылки http://www.sao.ru/hq/ssl/IRAS04296/node7.html -- 28.8 Кб -- 01.10.2012
[ Сохраненная копия ]  Ссылки http://jet.sao.ru/hq/ssl/IRAS04296/node7.html -- 28.8 Кб -- 01.10.2012
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9. Astronomy Terms - To Help You Study The Universe - an Astronomy Net Article
Astronomy Terms - To Help You Study The Universe . Articles | ... Learning about the universe, or the study of astronomy, can be fun for the individual or for the whole family. ... Learning a few simple terms will help you with this fascinating study. ... You will use a telescope or binoculars for your observation of the sky at night. ... Celestial Terms . ... Meteor or a shooting star – the light caused when a meteoroid burns up in Earth's . ... www.astronomy.net . About Astronomy Net | ...
[ Сохраненная копия ]  Ссылки http://www.astronomy.net/articles/33/ -- 16.8 Кб -- 09.04.2016
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10. Calculation of binary NS coalescence rates
... We have calculated the binary coalescence rate with time using the ``Scenario Machine'' code, which allows us to simulate evolution of large ensembles of binary stars in an artificial galaxy using a Monte Carlo method (see Lipunov 1992, Lipunov et al 1994, 1995 and references therein). ... The source evolution in a galaxy with given star formation rate is thus calculated as , where is the redshift at the turn-on of star formation, which is the second important parameter of the model. ...
[ Сохраненная копия ]  Ссылки http://xray.sai.msu.ru/~mystery/articles/henning/node2.html -- 7.5 Кб -- 20.08.1996
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11. Pictures/Рисунки
This is how a typical dispersion modeling result looks when shown as a map. ... Their numerical values are shown at the top. White normally means no data, but high values may be also shown as white if above the fixed high limit (that is, if no automatic normalization is used for colors). Note that calculations were done both for cell positions and for station positions, so both are colored. PO territories are filled by color corresponding to the average value of cells overlaying them. ...
[ Сохраненная копия ]  Ссылки http://www.iki.rssi.ru/ehips/Australia/NCF2.htm -- 2.3 Кб -- 20.09.2001
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12. Trudy GAISH, vol. LXV, 1996, Abstracts in English
Trudy GAISH, vol. LXV, 1996 . Abstracts . The global distribution of average (5 O x 5 O ) depths . of Mohorovicic discontinuity on the Earth . ... Such analysis allows detecting whether the sources of the largest anomalies reside within the Earth's core. This is possible if the limit depths of the sources exceed the depths of the core-mantle boundary. ... by Pasinok S.L. Influence of the Earth’s cover on the polar free oscillation of the Earth’s inner core is considered. ...
[ Сохраненная копия ]  Ссылки http://lnfm1.sai.msu.ru/~chujkova/Trudi/abstrcts.htm -- 12.3 Кб -- 05.08.2002
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13. Earth's North Magnetic Pole
Astronomy Picture of the Day . Earth's North Magnetic Pole . ... 3.12.2000 . ... Credit: NOAA Explanation: A magnetic compass does not point toward the true North Pole of the Earth. ... Evidence indicates that the North Magnetic Pole has wandered over much of the Earth's surface in the 4.5 billion years since the Earth formed. ... Indicated in the above picture is Ellef Ringnes Island , the current location of Earth's North Magnetic Pole . ... Publications with keywords: Earth - magnetic north . ...
[ Сохраненная копия ]  Ссылки http://www.astronet.ru/db/xware/msg/apod/2000-12-03 -- 13.9 Кб -- 18.12.2000
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14. http://www.mso.anu.edu.au/pfrancis/ObsTech/TutEx2.pdf
... Question 1: It is widely believed that US spy satellites are so powerful that they can read a newspaper over your shoulder. ... Question 2: SkyMapper will obtain the magnitudes of about five billion objects, in each of 7 filters. ... But a few may be weird and exciting new classes of objects. ... Question 3: The average density of stars in our local part of the galaxy is 0.7 per cubic parsec. While doing a parallax survey, you found a 1 cubic parsec region which contains 4 stars. ...
[ Текст ]  Ссылки http://www.mso.anu.edu.au/pfrancis/ObsTech/TutEx2.pdf -- 45.9 Кб -- 04.05.2007
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15. Latitudes and Attitudes - Links
Internet Sites | ... Latitude and Longitude - A very beautiful page describing and diagraming the concepts of latitude and longitude. This would be a good place to show the bird's eye view of the latitude world to older students, especially 2nd-4th graders. ... Sunrise/Sunset Generator - A tremendous site designed for movie producers so they can schedule when to shoot scenes in various countries and cities around the world. ... The World Right Now - Live Internet-linked cameras around the world. ...
[ Сохраненная копия ]  Ссылки http://hea-www.harvard.edu/ECT/Latitudes/resources.html -- 8.0 Кб -- 01.10.2012
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16. http://www.izmiran.rssi.ru/services/saf/archive/en/2012/obzor20120820.en.txt
Weekly Bulletin on Solar and Geomagnetic Activity Highlights on 13 - 19.08.2012, Forecast on 20 - 27.08.2012, Carrington Rotation 2126, 2127 (18,82.07; 15,04.08.2012) SUNSPOT ACTIVITY OF THE SUN REMAINED AT THE AVERAGE LEVEL. ... NEXT WEEK THE LEVEL OF SUNSPOT ACTIVITY IS EXPECTED TO BE LOW AND AVE- RAGE. ... FLARE ACTIVITY WAS ON THE HIGHE LEVEL ON 18 AUGUST, AVERAGE LEVEL - ON 17.08, AND THE LOW IN OTHER DAYS. ... Class E(1-8A) AR RII/IV CME X / opt. ...
[ Сохраненная копия ]  Ссылки http://www.izmiran.rssi.ru/services/saf/archive/en/2012/obzor20120820.en.txt -- 5.7 Кб -- 20.08.2012
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17. http://star.arm.ac.uk/~ambn/abstract332.html
A time adjustment from the Earth's centre to the observer's location is quantified and shown to improve the residuals between the observed time of pronounced Leonid showers and the time calculated from perturbed dust trails. A correlation with the exact time of closest approach to the nominal dust trail orbit would allow a further improvement in the residuals. ... These results indicate that approaches to dust trails within 0.0005 AU are predictable with an uncertainty of around 5 minutes. ...
[ Сохраненная копия ]  Ссылки http://star.arm.ac.uk/~ambn/abstract332.html -- 1.8 Кб -- 05.04.2000
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18. APOD: 2002 November 25 - The Earth's Magnetic Field
... 2002 November 25 . The Earth's Magnetic Field . ... Explanation: Why does the Earth have a magnetic field ? The electrical conductivity of the molten plasma of the Earth's core should be able to damp the current magnetic field in only thousands of years. ... Pictured above , a computer simulation shows the resulting magnetic field lines out to two Earth radii, with blue lines directed inward and yellow lines directed outward. ... About APOD | ... NASA Technical Rep.: ... NASA SEU Edu. ...
[ Сохраненная копия ]  Ссылки http://www.sai.msu.su/apod/ap021125.html -- 4.8 Кб -- 01.10.2012
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19. (Untitled)
As it is in Ephemerides task, O–C can be calculated with different accuracy. ... It 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/user9ak9.htm -- 3.3 Кб -- 10.04.2016
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20. A Calculation of derivatives
... The cross entropy for this complex image is given by ( 16 ) and ( 17 ). ... Differentiating ( 31 ) with respect to and , we find the gradient of is given by . and upon differentiating once more we find the Hessian (curvature) matrix of has the form . ... and its Hessian matrix reads . ... From ( 16 ) and ( 17 ), we find the components of the gradient vector of the cross entropy are given by . ... Differentiating once more we find the components of the Hessian of the cross entropy to be given by . ...
[ Сохраненная копия ]  Ссылки http://www.mrao.cam.ac.uk/ppeuc/astronomy/papers/hobson/node6.html -- 8.0 Кб -- 24.02.1998
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