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1. Database of Optical Constants -- Level: welcome
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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Ссылки http://www.astro.spbu.ru/JPDOC/ -- 10.8 Кб -- 19.11.2010
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2. Theoretical Astrophysics
Subject, Problems and Objects of Theoretical Astrophysics. ... Stellar Photospheres, Their Features. ... Physics of Continuous Radiation Absorption in Stellar Photospheres. ... Continuous Radiation Absorption in Stellar Photospheres of Various Spectral Classes. Solar Type Photospheres. ... Characterisics of Absorption Lines. ... Interstellar Absorption Lines, Their Features. ... Physical and Dynamic Features of Interstellar Medium, Which Follows from Observations of Interstellar Absorption Lines. ...
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Ссылки http://space.univ.kiev.ua/courses/teor_astroph_e.html -- 8.7 Кб -- 23.02.2005
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3. http://www.mrao.cam.ac.uk/~kjbg1/lectures/lect8.pdf
... Densities are of the order of z=1000 Plasma Cloud K) atmosphere ¤е ў Ў 7Ъ `Щ Э 7Ч fЩ Э The scattering optical depth is given by Ш yЗ Ы Ь В ВВ ВВ ВВ ВВ ВВ ВВ ВВ ВВ В ВВ ВВ ВВ В ВВ ЖЖ ЖЖ ЖЖ ЖЖ Ж ВЖ ВЖВЖ ВЖВ ЖВЖ ВЖВЖ ВЖВ ЖВЖ ВЖВЖ ВЖЖВ ВЖВ ЖВЖ ВЖВ Ж ЖЖ ЖЖ Ж Ж Ж ВЖ ВВ ВЖ Ж В Ж ЖЖ ЖЖ ЖЖ ЖЖ ВЖ ВЖВЖ ВЖВ ЖВЖ ВЖВЖ ВЖВ ЖВЖ ВЖВЖ ВЖЖВ ВЖВ ЖВЖ ВЖВ Ж ВВЖ Surface of last ... Flux Density: The power in radiation incident per area unit area per unit frequency. ...
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Ссылки http://www.mrao.cam.ac.uk/~kjbg1/lectures/lect8.pdf -- 312.5 Кб -- 08.10.2003
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4. http://www.cplire.ru/html/lab234/pubs/2012_12.pdf
Cold-Electron Bolometer Arrays for THz Detection Leonid S. Kuzmin b , Mikhail A. Tarasovc,d, , Sumedh H. Mahashabdea, and Valerian S.Edelmane, Chalmers University of Technology ... Electronics, Moscow, Russia c P.Kapitza Institute for Physical Problems, Moscow, Russia a a,b,c Abstract-- Various concepts of Cold-Electron Bolometer (CEB) Arrays are considered for THz detection from 300 GHz to 7 THz ... Optical response to THz radiation is 300 µV for 2.7/0.3 K temperature difference. ...
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Ссылки http://www.cplire.ru/html/lab234/pubs/2012_12.pdf -- 199.7 Кб -- 26.09.2012
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5. http://www.mso.anu.edu.au/~wood/lectures/2007/assignment_1.pdf
... A molecular cloud in the interstellar medium may be considered as spherical and of uniform density and fixed temperature as it undergoes expansion or contraction. Assume the opacity of material in the molecular cloud has a value . ... How will this affect cloud fragmentation? (e) In the stages of collapse of a gas cloud before it becomes optically thick, its temperature is determined by the balance between compressional heating and radiation of energy from the cloud. ...
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Ссылки http://www.mso.anu.edu.au/~wood/lectures/2007/assignment_1.pdf -- 41.2 Кб -- 08.03.2007
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6. The AO Optical Laboratories National Astronomy and Ionosphere Center (Arecibo
NATIONAL ASTRONOMY AND IONOSPHERE CENTER . ... Astronomy . ... Visitor Center . ... Optical . Lidar . At Arecibo we have a variety of optical instruments that we use to study terrestrial airglow emissions. ... This equipment is located in our Optical Laboratory, which is on site about 1000 feet from the center of the incoherent scatter radar. ... The various observational modes that are available are described in supplementary documentation for the Arecibo Observatory Optical Laboratories. ...
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Ссылки http://www.naic.edu/general/index.php?option=com_content&view=article&id=173:atmos-optical&catid=109&Itemid=476 -- 22.0 Кб -- 13.04.2016
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7. Department of Solid State Physics MIPT
Chair of solid state physics . ... The Physics of Phonons . ... In the first part of the course “The Physics of Phonons” the dynamics of atoms in one- and three- dimensional crystalline lattices is considered in detail. The quasiparticle conception in solids, taking phonons as an example, is discussed; creation and annihilation operators of phonons, main properties of acoustic and optical phonons dispersion laws, density of phonon states. ... Crystalline state. ... Acoustic and optical phonons. ...
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Ссылки http://www.issp.ac.ru/kafedra/en/courses/maksimov.html -- 10.0 Кб -- 28.02.2014
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8. The Radiopulsar PSRB1259-63 - a Probe in the Stellar Wind Plasma
... The discovery of this radiopulsar is potentially important not only for confirming the theory of evolution of NS, but also for understanding processes occurring in stellar winds from normal stars. After all, a radiopulsar orbiting in the semi-transparent stellar wind of a normal star is a sort of probe scanning an inhomogeneous plasma by pulsed radiation (Lipunov and Prokhorov, 1984)[ 110 ]. ... 1) absorption of radio waves (light curve); . ... This object is a radiopulsar orbiting a Be-star. ...
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Ссылки http://xray.sai.msu.ru/~mystery/articles/review/node57.html -- 14.3 Кб -- 26.02.1997
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9. Emission molecular bands
Next: Radial velocity of the Up: Optical spectrum of IRAS04296 Previous: Observations and spectra reduction . ... However, molecular emission features are only very rarely observed in the optical spectra of PPNe. ... On the other hand, it is well known that cometary nuclei spectra show prominent Swan band emission. In both spectra of IRAS04296 we have discovered strong emission in the (0;0) and (0;1) bands of the Swan system of the molecule. ... Now consider the case of IRAS04296. ...
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Ссылки http://mavr.sao.ru/hq/ssl/IRAS04296/node4.html -- 14.3 Кб -- 02.10.2012
[ Сохраненная копия ] Ссылки http://www.sao.ru/hq/ssl/IRAS04296/node4.html -- 14.3 Кб -- 01.10.2012
[ Сохраненная копия ] Ссылки http://jet.sao.ru/hq/ssl/IRAS04296/node4.html -- 14.3 Кб -- 01.10.2012
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[ Сохраненная копия ] Ссылки http://www.sao.ru/hq/ssl/IRAS04296/node4.html -- 14.3 Кб -- 01.10.2012
[ Сохраненная копия ] Ссылки http://jet.sao.ru/hq/ssl/IRAS04296/node4.html -- 14.3 Кб -- 01.10.2012
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10. Detection of ionospheric earthquake precursors and man-caused catastrophes
. Language [RU/EN] Search: . Home . UP . Research . Projects . Services . Info . News . Events . Personal . Archive . Ionosphere and radiowave propagation: structure . The main page . Information . Publications: . 2011 - 2015 . 2009 - 2010 . 2007 - 2008 . 2005 - 2006 . 2000 - 2004 . 1995 - 1999 . Participation in International symposiums and conferences: . 2013 - 2015 . 2011 - 2012 . 2009 - 2010 . 2007 - 2008 . 2005 - 2006 . 2002 - 2004 . N.V. Pushkov . 09/04/2016 23:52 MSK . webmaster@izmiran.ru .
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Ссылки http://www.izmiran.rssi.ru/ionosphere/satellite_inv/eq.shtml -- 7.7 Кб -- 09.04.2016
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11. http://zebu.uoregon.edu/1998/ph101/l19.html
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Ссылки http://zebu.uoregon.edu/1998/ph101/l19.html -- 7.0 Кб -- 02.12.1998
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12. venera1e
The hotbed effect (hothouse effect) in the planets atmosphere is the inside atmosphere layers heating (of the Earth, Venus etc.), due to the transparent planet atmosphere for the main part of solar radiation (in optical range). In the atmosphere of the Earth this radiation is absorbed by the molecules of H2O, C02, O3 and others. ... As a result of human activities the CO2 content is increasing (and the other gases, absorbing in infrared range). ...
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Ссылки http://www.space.vsi.ru/parnikoveffecte.htm -- 2.0 Кб -- 14.10.2000
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13. 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 . ...
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Ссылки http://hea-www.harvard.edu/~swolk/thesis/optical/node5.html -- 6.3 Кб -- 02.10.2012
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14. MONTE-CARLO
... COMPUTER SIMULATION OF RADIOWAVE MULTIPLE SCATTERING EFFECTS IN IONOSPHERE USING MONTE-CARLO METHOD . ... Distribution of reflected radiation on the ground is computed. ... Such influence can be remarkable if the scattering is multiple, i.e. the optical thickness for the scattering process is considerably greater than a unit. ... Radiation energy transfer in the slab is modeled by distribution of some particles carring small portions of radiation energy. ... The isotropic plasma approximation is...
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Ссылки http://ip.rsu.ru/~zabotin/posters/mont_car/mont_car.htm -- 12.8 Кб -- 02.02.2007
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15. Multiple Scattering in Clumpy Media. I. Escape of Stellar Radiation from a
We studied the radiative transfer in a spherical, two-phase clumpy medium, in which coherent, nonconservative scattering is the dominant opacity source and where the source of photons is situated at the center. ... We examined in detail the cloud mass spectrum, the distribution of optical depths, and the apparent fractal nature of the projected cloud structures. ... The expected reddening is substantially reduced for clumpy media. ...
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Ссылки http://www.stsci.edu/~kgordon/papers/1996ApJ...463..681W.html -- 5.4 Кб -- 21.01.2016
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16. http://www.inasan.rssi.ru/~akimkin/presentations/UVUniverse2010.pdf
... It is reasonable to expect that UV part of the irradiating spectrum is most influenced by the grain evolution (growth and sedimentation ) which marks the very initial stage of planet formation. 2 log J [erg s1 cm2] 1 0 -1 -2 -3 1000 BB 40 0 0 (A5 ) BB 20 0 00 (A5) Drai ne (A5 ) BP Ta u (A5) BB 40 0 0 (GS) BB 20 0 00 (GS) Drai ne (GS) BP Ta u (GS) Disk Model Density distribution is based on a 1+1D disk ... Green lines are used for a model with dust growth and sedimentation. ...
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Ссылки http://www.inasan.rssi.ru/~akimkin/presentations/UVUniverse2010.pdf -- 256.1 Кб -- 12.03.2013
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17. http://star.arm.ac.uk/lectures/landstreet/slides/Lecture-5-review-of-radiative-transfer.pdf
... 09/03/09 Leverhulme Lectures on Stellar Magnetism Basic process of (forward) spectrum modelling Two essential components are required, usually computed separately for practical reasons ... thin (plane-parallel), horizontally uniform, in hydrostatic equilibrium, and in a thermal steady state between hot stellar interior and cold exterior space Radiation emitted is computed from atmosphere model using equation of radiative transfer ... Leverhulme Lectures on Stellar Magnetism 09/03/09 ...
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Ссылки http://star.arm.ac.uk/lectures/landstreet/slides/Lecture-5-review-of-radiative-transfer.pdf -- 342.5 Кб -- 09.03.2009
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18. http://www.gao.spb.ru/english/publ-s/viii-rfs/p099.pdf
... Galaxies 99 Cosmic background with model of cloudy interstellar medium Yu. ... Figure 1: Averaged spectrum of the cosmic background I f in frequency range 0.25 200 MHz for the Galactic poles. ... First interpretation of the cosmic noise background spectrum at broad band frequency range 0.25 200 MHz with a model of the cloudy interstellar medium ISM is presented here. ... Synthesized background spectra I f for regions of the Galactic poles at the frequency range 0.25 200 MHz is presented in Fig. ...
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Ссылки http://www.gao.spb.ru/english/publ-s/viii-rfs/p099.pdf -- 100.3 Кб -- 21.05.2007
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19. Eddington's Temperature of Space
... In the first page of this chapter, Eddington computes an effective temperature of 3.18 K, but this has nothing to do with the 2.725 K blackbody spectrum of the Cosmic Microwave Background (CMB) . Here is a quote of what Eddington actually said: . ... We shall first calculate the energy density of this radiation. ... It is clear that Eddington's model fits the optical data, but that Eddington did not anticipate either the CMB (red curve) or the interstellar dust (ISD, green curve). ...
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Ссылки http://www.sao.ru/cats/~satr/cosmo/Eddington-T0.html -- 7.3 Кб -- 16.10.2000
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20. East Siberian Center for the Earth's Ionosphere Research. Incoherent Scatter
Russian SHAREABLE DATA CENTER Institute of Solar-Terrestial Physics SB RAS . ... Antenna system . ... The Irkutsk incoherent scatter radar is one of the world's nine active radars which give the opportunity to investigate ionosphere by the incoherent scatter method. ... Antenna gain coefficient . ... Antenna . ... Two antennas . ... To get an idea what station "Dnepr" antenna system looks like, let us consider some of the radar views which are given by the photographs General view and Side view . ...
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Ссылки http://rp.iszf.irk.ru/esceir/isr/isradaren.htm -- 12.1 Кб -- 19.01.2013
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