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1. Linear polarization: wavelength dependence
... Fitting the observed dependence includes calculations of the polarization cross-sections averaged over particles orientation and size distribution, their normalization and the comparison of obtained dependencies with Serkowski's curve representing observational data for a chosen star. ... Variations of the polarization factors with wavelength are shown in Fig. 16 for homogeneous spheroidal particles with PF orientation. ... The distinction between prolate and oblate spheroids is also clearly seen. ...
[ Сохраненная копия ]  Ссылки http://www.astro.spbu.ru/DOP/8-GLIB/ASTNOTES/node7.html -- 18.9 Кб -- 19.11.2010
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2. The Propagation of Cosmic Rays from the Vicinity of the Galactic Centre
... ATNF Home . About ATNF . ... About ATNF overview . ... Australia Telescope Steering Committee . ... Parkes radio telescope . ... Visiting Parkes radio telescope . ... Parkes radio telescope webcam . ... Cosmic engine for senior students . ... The Propagation of Cosmic Rays from the Vicinity of the Galactic Centre . ... There is now evidence that there may be a strong source of cosmic ray particles in the general direction of the galactic centre. ... Keywords: cosmic rays - ISM: magnetic fields . ...
[ Сохраненная копия ]  Ссылки http://www.atnf.csiro.au/pasa/17_3/clay2/paper/index.html -- 51.0 Кб -- 08.04.2016
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3. http://www.gao.spb.ru/english/as/j2014/presentations/perepelkin.pdf
Irregular phenomena in the Earth Pole oscillation process and temporal variations of geopotential Valery Bondarenko, Vadim Perepelkin s The observed irregular phenomena in the Earth Pole oscillation process are very variety. ... These phenomena indicated in the IERS data are the "abnormal" fluctuation of the Earth Pole coordinates which owing to changing of the geodynamical parameters gives negative result in interpolation and forecast of the first approximation mathematical model. ... Fig. ...
[ Текст ]  Ссылки http://www.gao.spb.ru/english/as/j2014/presentations/perepelkin.pdf -- 900.8 Кб -- 30.10.2014
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4. Energetic Particles
... The hotter the gas, the faster they move, and the more energy each of them holds. The free ions and electrons in a plasma behave the same way. Knowing the temperature of the high atmosphere of Earth, or that of the Sun, we can calculate energies expected of ions and electrons found there. However, ions and electrons actually observed in space are often much , much more energetic, and may move at a respectable fraction of the velocity of light (300,000 km/sec or 186,000 miles/sec). ...
[ Сохраненная копия ]  Ссылки http://www.iki.rssi.ru/magbase/REFMAN/EAMAGSPH/wenpart1.html -- 7.7 Кб -- 21.12.2007
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5. Space Research Institute (IKI) Seminar
... Future seminars . ... Relativistic magneto-active laser plasmas " . ... Generation of super-strong magnetic fields. ... This method is based on the observation of resonance interaction between the Landau levels in magnetic field and energy levels of plasma ions. ... The important peculiarity of the energy distribution of fast ions is their slow decreasing up to the energy of 1.4 MeV at the laser intensity of 2 10 18 W/cm 2 ; the effective temperature of fast ions is of the order of 350 keV. ...
[ Сохраненная копия ]  Ссылки http://www.iki.rssi.ru/galeev/abs_eng/e120426.htm -- 57.5 Кб -- 18.04.2012
[ Сохраненная копия ]  Ссылки http://www.cosmos.ru/galeev/abs_eng/e120426.htm -- 57.5 Кб -- 18.04.2012
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6. HyperLEDA documentation: parameter: vmaxg
Observed maximum rotation velocity uncorrected for inclination effect. This quantity is calculated from 21-cm line widths at different levels and/or rotation curves (generally in H_alpha). ... These data are characterized by some secondary parameters: telescope, velocity resolution, level of the 21-cm line width and bibliographic reference. ... we start from a standard sample (a set of measurements giving a large and homogeneous sample). ... HyperLeda . ...
[ Сохраненная копия ]  Ссылки http://www.sao.ru/fetch/HL/leda/param/vmaxg.html -- 5.1 Кб -- 23.12.2013
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7. Taurid Complex
Orbital intersection . ... Structure of Taurid stream . ... Meteoroid swarm and Taurid fireballs . ... The following four diagrams schematically show four different Taurid orbits and the orbits of Earth and Jupiter. ... The Taurid stream contains particles (small, solid grains) at different stages of their precession cycles. ... The study of when a meteor stream can produce a meteor shower is the study of when precession brings orbits to intersection with Earth, or e.g. with Mars . ...
[ Сохраненная копия ]  Ссылки http://star.arm.ac.uk/~aac/zetataur.html -- 8.7 Кб -- 19.10.2007
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8. The COOC Criterion (Criterion of Observations versus Calculations)
... In order to compare the number of different evolutionary stages obtained and X-ray luminosity of the chosen X-ray sources with the observed galactic values we use the sum of C/O+O/C , where C and O are the calculated and observed values of a given binary type, respectively. If we make comparison for a number of different binary species (for example, we compare the number of CV, number of X-ray pulsars,   total X-ray luminosity of LMXB, etc.), we write this criterion in the form: . ...
[ Сохраненная копия ]  Ссылки http://xray.sai.msu.ru/~mystery/articles/review/node43.html -- 5.0 Кб -- 26.02.1997
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9. http://hea-www.harvard.edu/~garcia/ixo/high_rate_agn_v3.pdf
Smithsonian Astrophysical Observatory Memorandum To : From Date: Re: M. Cappi, Strong Gravity SDT/YB Team, XMS team : M. Garcia April 14, 2010 XMS high/mid/low resolution event rates for bright AGN mrg-2010-02v2 This memo arises out of the concern that the bright AGN that will be used to observed strong gravity effects ­ in particular those for which time-resolved measurements of test particle orbits will be made ­ may generate counting rates in the XMS that are sufficient to overwhelm it. ...
[ Текст ]  Ссылки http://hea-www.harvard.edu/~garcia/ixo/high_rate_agn_v3.pdf -- 204.4 Кб -- 31.01.2012
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10. Radioastrophysical Observatory ISTP RAS SB
RADIOASTROPHYSICAL DEPARTMENT • INSTITUTE OF SOLAR-TERRESTRIAL PHYSICS RAS SB . Research results on fast active processes General information Main characteristics of the Radio telescope Observing programs General view of the antenna array Main research areas Principle of generation of radio images Radio telescope's beam Receiving systems Main characteristics of the base receiving-recording complex Calibrations Data archive and databases ... Distribution of the recorded spikes in duration . ...
[ Сохраненная копия ]  Ссылки http://ssrt.iszf.irk.ru/rad32en.shtml -- 15.6 Кб -- 27.02.2014
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11. Observational data
Next: References Up: A Method of Integrating Previous: Description of algorithm . In April 1996 the described method was included in the software of automatic data acquisition complex "Continuous". ... The measuring of sensibility by observing at the wave lengths of 1.38cm and 2.7cm. The measuring of sensibility by observing at the wave lengths of 3.9cm and 7.6cm. wave lengths. The measuring of sensibility by observing at the wave lengths of 13.0cm and 31cm. wave lengths. ...
[ Сохраненная копия ]  Ссылки http://mavr.sao.ru/hq/vch/Publications/Eng/html/NN/node3.html -- 5.2 Кб -- 28.12.2007
[ Сохраненная копия ]  Ссылки http://www.sao.ru/hq/vch/Publications/Eng/html/NN/node3.html -- 5.2 Кб -- 11.09.2010
[ Сохраненная копия ]  Ссылки http://jet.sao.ru/hq/vch/Publications/Eng/html/NN/node3.html -- 5.2 Кб -- 02.10.2012
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12. XWare > APOD
... Zodiacal Light and the False Dawn . ... A Galactic Star Forming Region in Infrared . ... How do stars form? To help study this complex issue, astronomers took a deep image in infrared light of an active part of our Milky Way Galaxy where star formation is rampant. ... X-rays from young stars and infrared light from stars and cosmic dust are combined in this false color image of a star-forming region in Corona Australis, the Southern Crown. ... Northern Cygnus . ... Inside Victoria Crater on Mars . ...
[ Сохраненная копия ]  Ссылки http://www.astronet.ru/db/xware/apod.html?page=287&d=2015-07 -- 14.9 Кб -- 13.04.2016
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13. http://www.izmiran.rssi.ru/services/saf/archive/en/2012/obzor20120319.en.txt
Weekly Bulletin on Solar and Geomagnetic Activity Highlights on 12 - 18.03.2012, Forecast on 19 - 26.03.2012, Carrington Rotations 2121 (04,62.03.2012) SOLAR SUNSPOT ACTIVITY OF THE LAST PERIOD WAS ON AVERAGE LEVEL. ... SIGNIFICANT FLARE ACTIVITY STARTED MARCH, 4th. ... NEXT WEEK THE SUNSPOT ACTIVITY IS EXPECTED TO BE THE AVERAGE. ... THE GREATER THAN 2 MeV ELECTRON FLUX AT GEOSYNCHRONOUS ORBIT VERY HIGH LEVEL OF FLUX WAS OBSERVED AT MARCH, 12 - 18. ...
[ Сохраненная копия ]  Ссылки http://www.izmiran.rssi.ru/services/saf/archive/en/2012/obzor20120319.en.txt -- 6.0 Кб -- 19.03.2012
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14. Stars as Observed in the Infrared
The figure below shows what stellar spectra are like in this wavelength range. All stars hotter than about 3000 K effective temperature radiate like a hot blackbody at these long wavelengths, possibly with a very few atomic lines (of Hydrogen, in the A-type stars) or molecular bands (the CO band overtone near 2.25 microns for example, in K-type stars and G-type stars). ... unusual features: mixed chemistry sources, Wolf-Rayet stars, ice bands, featureless carbon-star spectra ...
[ Сохраненная копия ]  Ссылки http://www.stsci.edu/~volk/stars.html -- 4.1 Кб -- 14.06.2010
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15. http://www.naic.edu/vscience/schedule/tpfiles/KangtagA2217tp.pdf
... A2217 Date Received: 2006-Feb-14 12:55:55 Technical Page Proposal Type: General Category: Sub-Category: Observation Category: Total Time Requested: Prop osal Title: ABSTRACT: Regular Astronomy Continuum Galactic 30 Hours Multi-frequency Continuum Mapping of SNR192.8-1.1 At Arecibo, we recently observed faint, high velocity HI "wings" having velocities forbidden by Galactic rotation. ... This proposal requires coordination with Punta Salinas radar within the band 1222-1381 MHz.. ...
[ Текст ]  Ссылки http://www.naic.edu/vscience/schedule/tpfiles/KangtagA2217tp.pdf -- 52.1 Кб -- 07.03.2006
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16. 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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17. Cosmological Issues for Theorists
. ___________________________________________________________________ The Electronic Universe Project e-mail: nuts@moo.uoregon.edu
[ Сохраненная копия ]  Ссылки http://zebu.uoregon.edu/cosmo.html -- 6.5 Кб -- 19.04.1999
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18. Lecture Series 2010-2011 ? ?Particle Physics at the LHC and Cosmology? by
Lectures . ... Home Lectures Lecture Series 2010-2011 Lecture Series 2010-2011 ? Particle Physics at the LHC and Cosmology? by Michael Tuts . ... Lecture Series 2010-2011 . ... Beyond New York City . ... Observing Resources for Amateur Astronomers - Part 1: Beginning Observers . ... A History of the First Forty Years of the Amateur Astronomers Association . ... Amateur Astronomers Medal . ... 2016 Amateur Astronomers Association of New York Designed by Press Customizr Powered by . ...
[ Сохраненная копия ]  Ссылки http://www.aaa.org/lectures/lecture-series-2010-2011/lecture-series-2010-2011-particle-physics-at-the-lhc-and-cosmology-by-michael-tuts/ -- 99.5 Кб -- 10.04.2016
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20. CHIANTI atomic database
The CHIANTI database consists of 4 primary ASCII files for each ion in the database. contains the energy levels in cm^(-1) It includes both experimental data and theoretical values of the levels energies. ... contains wavelengths, gf and A values for each transition. ... 1997, ADNDT, 67, 225 %comment: theoretical energies have been used as experimental values for the dielectronic transitions %produced as part of the Arcetri/Cambridge/NRL 'CHIANTI' atomic data collaboration % % Ken Dere Aug 27 1999 . ...
[ Сохраненная копия ]  Ссылки http://www.arcetri.astro.it/science/chianti/chianti_4.01/database/fe/fe_22d.html -- 5.8 Кб -- 02.12.2002
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