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http://xmm.vilspa.esa.es/docs/documents/CAL-SRN-0012-1-0.ps.gz.
http://xmm.vilspa.esa.es/docs/documents/CAL-SRN-0012-1-0.ps.gz.
21. Practical Astrophysics
Subject, Object and Problems of Astrophysics. Practical and Theoretical Astrophysics. ... Visual Telescope; Problems Which Are Solved with the Its Help. ... Resolution of Telescopes. ... Effectiveness of Telescope in Respect of Resolution. ... Optical Power of Telescopes for Star-like and Extensive Objects. Boundary Magnitude. Reasons of Light Dissipation in Telescopes. ... Spectral Instruments in Astrophysics. ... Basic Photometrical Ideas, Magnitudes and Their Measurement. ...
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Ссылки http://space.univ.kiev.ua/courses/pract_astroph_e.html -- 7.6 Кб -- 23.02.2005
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22. http://www.cplire.ru/html/lab234/pubs/2005-23.pdf
TOWARDS SUPERSENSITIVE BOLOMETERS AND ELECTRON COOLERS BASED ON CARBON NANOTUBES M.TARASOV, J.SVENSSON, S.DITTMER, L.KUZMIN, AND E.CAMPBELL Chalmers University of Technology, GЖteborg SE 41294, Sweden E-mail: Mikhail.tarasov@mc2.chalmers.se Carbon nanotubes (CNT) are being intensively developed for novel electronics. Electron cooling by superconductor-insulator-nanotube (SIN) tunnel junctions could be extremely effective due to the small volume of the CNT. ...
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Ссылки http://www.cplire.ru/html/lab234/pubs/2005-23.pdf -- 253.5 Кб -- 24.01.2006
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23. http://www.naic.edu/~phil/hardware/powermeter/Notes
product manual for pulse profiling application: specs pg 8 freq range: 100Mhz to 8Ghz ; calibration factor .. about 4% linearity 3% to 7% depending on input power noise: 1 sec integration: 100Mhz to 6Ghz .02% .02% -30 to +20 dbm .04% -50 to -30 dbm ; video bandwidth power measurements: 10Mhz pulse profiling : 100 Khz pulse profiling opt4 : 100 Khz,200khz,.. ... As baseband approaches the Nyquist criteria (realistically about 200 Khz) problems arise.. ...
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Ссылки http://www.naic.edu/~phil/hardware/powermeter/Notes -- 2.2 Кб -- 24.08.2011
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24. http://master.sai.msu.ru/media/presentations/2014/20140208_Shibata.pdf
... 8 February , 2014 SAI seminar (Ryde et al 2010) 5 Thermal emission from GRB jet progenitor observer photon jet Photosphere (=1) · · · · Photons are not produced at the photosphere We have to calculate radiative transfer We need to know where the photons are produced We construct the expression for effective optical depth in relativistic flow considering random walk process in relativistic flow SAI seminar 6 8 ... 8 February, 2014 SAI seminar 28 ...
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Ссылки http://master.sai.msu.ru/media/presentations/2014/20140208_Shibata.pdf -- 1131.7 Кб -- 07.02.2014
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25. http://www.apo.nmsu.edu/arc35m/Instruments/ARCTIC/Development/ImagerPDR/APOImager_f8v240_prescription.pdf
... BOT OF M2 CONE TOP OF M3 CONE M3 INT. BAF1 M3 INT. BAF2 M3 INT. BAF3 M3 INT. BAF4 M3 INT. BAF5 : Angle in degrees Y-Value Weight 0.000000 0.500000 0.050000 1.000000 0.075000 2.000000 0.090000 0.500000 0.099500 0.500000 VCX 0.000000 0.000000 0.000000 0.000000 0.000000 VCY 0.000000 0.000000 0.000000 0.000000 0.000000 VAN 0.000000 0.000000 0.000000 0.000000 ...
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Ссылки http://www.apo.nmsu.edu/arc35m/Instruments/ARCTIC/Development/ImagerPDR/APOImager_f8v240_prescription.pdf -- 19.8 Кб -- 05.12.2013
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26. A Force from Empty Space: The Casimir Effect
Astronomy Picture of the Day . A Force from Empty Space: The Casimir Effect . ... Measuring slightly over one tenth of a millimeter, the ball moves toward a smooth plate in response to energy fluctuations in the vacuum of empty space. ... The form and genesis of dark energy is almost completely unknown, but postulated as related to vacuum fluctuations similar to the Casimir Effect but generated somehow by space itself . ... Publications with keywords: Casimir effect - dark energy . ...
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Ссылки http://www.astronet.ru/db/xware/msg/apod/2010-01-03 -- 15.9 Кб -- 10.01.2010
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27. http://www.gao.spb.ru/english/personal/malkin/publ/zm12e.pdf
ON THE IMPACT OF THE GALACTIC ABERRATION ON VLBI-DERIVED PRECESSION MODEL Z.M. MALKIN Pulkovo Observatory Pulkovskoe Ch. ... Corrections to adopted precession rate are usually computed from the linear trends in long-term time series of celestial pole offset (CPO), which are the differences between the measured and the theoretical coordinates of the celestial pole. ... CONCLUSIONS We have estimated the impact of GA on parameters of precession-nutation model derived from VLBI observations. ...
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Ссылки http://www.gao.spb.ru/english/personal/malkin/publ/zm12e.pdf -- 37.3 Кб -- 10.12.2012
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28. Keywords_200
Consequences of Impacts of Cosmic Objects in Circumstances of Changing Climate . ... The consequences of the impacts of asteroids about 1 km in size on the Earth are considered from the viewpoint of their negative effects under conditions when the climate changes. These effects are ejection of greenhouse gases, fires, changes in surface albedo, and global dispersion of asteroid material. ...
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Ссылки http://www.ipa.nw.ru/PAGE/EDITION/transaction/tbook/200.htm -- 4.1 Кб -- 02.10.2012
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29. EMIC waves [Oulu]
... Energetic magnetospheric ions are often unstable to the electromagnetic ion cyclotron (EMIC) instability . ... generation of EMIC waves below the proton gyrofrequency , and . ... Depending on the local proton gyrofrequency, the frequency of the EMIC waves varies: in the magnetosphere we deal with the ULF range (more precisely 0.1-5 Hz), while in the auroral field lines we have ELF waves (tens or hundreds of Hz; see radio frequencies and flickering aurora ). ... Space Physics Text Book of Oulu ...
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Ссылки http://www.iki.rssi.ru/magbase/REFMAN/SPPHTEXT/emic.html -- 7.6 Кб -- 13.05.2001
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30. APOD: 2004 November 30 - Lake Effect Snow on Earth
... 2004 November 30 . Lake Effect Snow on Earth . Credit: SeaWiFS Project , NASA . ... The clouds are caused by cold air moving over a warm water and result in bands of lake-effect snow . The rising bands of moistened, warmed air that drop lake-effect snow alternate with clear bands of falling cold air. During a winter, such bands can create hundreds of centimeters of snow more than upwind areas only a hundred kilometers away. ... About APOD | ... NASA Official: Jay Norris. ...
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Ссылки http://www.sai.msu.su/apod/ap041130.html -- 4.9 Кб -- 02.10.2012
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31. Thesis
... Remote Sensing of Fire Intensity and Burn Severity in Forests of Central Siberia . ... Increasingly sophisticated and comprehensive estimates of burned areas and of active fire areas are being produced using satellite imagery. However, accurate regional estimates of fire intensity, ecosystem fire effects, and fire emissions to the atmosphere require development of accurate remote-sensing based methods for estimating the intensity of active fires and the severity of fire impacts. ...
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Ссылки http://smis.iki.rssi.ru/theses-cgi/thesis.pl?id=367 -- 7.0 Кб -- 01.10.2012
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32. Седельников Андрей Валерьевич. Публикации
... Информация Руководство и преподаватели Седельников Андрей Валерьевич . ... Публикации . ... Sedelnikov A.V. Classification of Microaccelerations According to Methods of their Control // Microgravity Scienes and Technology. ... 2011. ... Седельников А.В Контроль микроускорений как важнейшей характеристики космической лаборатории специализированного технологического назначения конструктивными методами // Контроль. ... Седельников А.В. Применение задачи Бюффона об игле в космических исследованиях. ...
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Ссылки http://www.ssau.ru/staff/61131001-Sedelnikov-Andrey-Valerevich/publ -- 28.8 Кб -- 27.04.2015
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33. http://site2010.sai.msu.ru/static/doc/SPotanin_site2010.pdf
Estimations of dome seeng by results of optics quality tests with Shack-Hartman wavefront sensor. ... Measurements on AZT-22 Telescope diameter: 1000 mm F/7.7 Effective subaperture: 37.5 mm Exposure time: 100 ms Time between exposures: 5 s Individual image with tilts in X direction AZT-22 tower The spatial spectrum evolution (top) and wind direction in measurements processes . AZT-22. ... ZTSH dome Zeiss-1000 dome The spatial spectrum evolution (up) end wind direction through time. ...
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Ссылки http://site2010.sai.msu.ru/static/doc/SPotanin_site2010.pdf -- 522.6 Кб -- 31.10.2010
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34. IRAS01005+7910
... The variability of the spectrum of the optical component of the IR-source IRAS01005+7910 was discovered for the first time in the BTA spectra [1]. ... The spectral features include absorptions that form in near-photospheric layers, narrow envelope emissions, and emission-absorption profiles that form in photosphere-to-envelope transition layers (the wind). ... Discovery of spectral variation in the optical counterpart of IRAS01005+7910. ... Dashed line - envelope curve of all the SiII 5979 profiles ...
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Ссылки http://www.sao.ru/Doc-en/SciNews/2014/Klochkova2/ -- 6.1 Кб -- 10.04.2016
[ Сохраненная копия ] Ссылки http://mavr.sao.ru/Doc-en/SciNews/2014/Klochkova2/ -- 6.1 Кб -- 10.04.2016
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[ Сохраненная копия ] Ссылки http://mavr.sao.ru/Doc-en/SciNews/2014/Klochkova2/ -- 6.1 Кб -- 10.04.2016
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35. Is it possible that the gravitational effects attributed to dark matter could
... Gravitational wave search provides insights into galaxy evolution and mergers . ... Is it possible that the gravitational effects attributed to dark matter could be caused by Jupiter-sized planets discovered orbiting other stars and also floating freely outside planetary systems? ... A large number of detected and undetected Jupiter-sized planets could not mimic the gravitational effects produced by dark matter for two reasons. ... Get instant access to subscriber content on Astronomy.com! ...
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Ссылки http://www.astronomy.com/magazine/ask-astro/2012/06/could-dark-matter-be -- 63.7 Кб -- 10.04.2016
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36. Advertising on The Astronomy Net
Effective immediately, most commercial advertising on Astronomy Net is handled through Google Ads. Click on the "Advertise on this site" link on any of those Google ads to find out more. ... The Google advertising statistics reveal the Astronomy Net effective CPM range from $2 to $15 depending on web site page. ... That may be great for some sites, but do not expect your targeted ads to ever show up on Astronomy Net as these ads must compete with the "Keyword Targeting" ads. ...
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Ссылки http://www.astronomy.net/advertise/ -- 5.2 Кб -- 01.10.2012
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37. sune
The Star called the Sun. The Sun as the star . ... The visible star value . ... Spectrum class . ... 149 597 870 km . ... The Solar energy sourse is the core transformation of the Sun, where temperature is 15 000 000 K. The energy from inside is carried by irradiation and then in the external layer with 0,2 Ra of thikness - by convection. ... The Earth, situating far from the Sun (149 mil km), receives about 2.1017 W of the Solar beam energy (see item "The Solar constant" ). ...
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Ссылки http://www.space.vsi.ru/sune.htm -- 6.1 Кб -- 14.10.2000
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38. Vladimir Marsakov Abstracts
... The normal m 1 , c 1 indices and metallicities have been calculated for 2472 F-stars from the uvby and H fotometry. ... It is shown that the metallicity distribution of F6-G0 dwarfs is not a Gaussian one, but may be considered as a sum of two normal distributions. At the centre, the distribution shows a gap which subdivides all the stars into two metallicity groups. ... По данным uvby , H - фотометрии вычислены нормальные индексы m 1 , c 1 и определена металличность 2472 F-зыезд. ...
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Ссылки http://ip.rsu.ru/~marsakov/abs/abst10.htm -- 3.7 Кб -- 02.02.2007
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39. Scuba diving in International Space Station model in space suit ORLAN M.
... This method is based on putting space modules, vehicles and EVA-suit donned cosmonauts in the swimming pool under conditions of neutral buoyancy, indifferent equilibrium and unsupported state. ... You can also dive into the swimming pool with the SCUBA equipment in order to examine the mock-ups of space stations and vehicles and pass a course of rehabilitation in a hyperbaric oxygenation complex. ... Services / Hydrospace: General description Technical description "Orlan" suit Photo gallery Price . ...
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Ссылки http://www.atlasaerospace.net/eng/aqua.htm -- 34.2 Кб -- 09.04.2016
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40. http://solarwind.cosmos.ru/txt/2011/presentations/Magnetosphere/Bespalov.pdf
... 18941904; Bespalov P.A. Effective saturation of absorption in a plasma magnetospheric maser. In book: Nonlinear Space Plasma Physics, R.Z. Sagdeev -Editor-in-Chief, American Institute of Physics, 1993, p.339-346]. Magnetospheric plasma maser [Bespalov P.A, Trakhtengerts V.Yu., ... In a magnetospheric plasma maser (MPM) the relatively dense magnetised plasma and the conjugate ends of a magnetic trap form a quasioptical resonator for electromagnetic waves. ...
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Ссылки http://solarwind.cosmos.ru/txt/2011/presentations/Magnetosphere/Bespalov.pdf -- 1629.9 Кб -- 15.04.2011
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