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1. Space Research Institute (IKI) Seminar
... Future seminars . P a s t seminars . Seminar council . The emission time of Gamma-Ray Bursts" . A. Sanin (IKI) . ... The three new parameters of cosmic gamma-ray bursts are introduced: the emission time, the peak energy of the emission time spectrum and the cosmological invariant parameter. ... Using this distribution the "collective estimation" of the best fitting redshifts for the group of long bright gamma-ray bursts detected by BATSE experiment was found. ...
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Ссылки http://www.iki.rssi.ru/galeev/abs_eng/e030522a.htm -- 4.2 Кб -- 20.05.2003
[ Сохраненная копия ] Ссылки http://www.cosmos.ru/galeev/abs_eng/e030522a.htm -- 4.2 Кб -- 20.05.2003
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[ Сохраненная копия ] Ссылки http://www.cosmos.ru/galeev/abs_eng/e030522a.htm -- 4.2 Кб -- 20.05.2003
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2. Bias-Free Parameter Estimation with Few Counts, by Iterative Chi-Squared
... We demonstrate through numerical simulations that model parameters estimated with our technique are essentially bias-free, even when the average number of counts per bin is 1. ... The IW technique avoids such biases by estimating through successive iterations, where for each iteration, j, , and the best-fit parameters are determined by minimization of . ... In our sample, we find that the minimum values and best-fit parameters converge after about 6 iterations. ...
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Ссылки http://www.adass.org/adass/proceedings/adass94/kearnsk.html -- 12.3 Кб -- 03.11.2000
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3. Dependence on the Scenario Parameters and Initial Distributions
... Calculations of at least two runs with different values of a parameter are required in order to discover to what extent the results depend on the , if at all. ... In order to study how the final statistical distributions depend on the initial functions, the method of Green functions is used. ... Then we can restore any distribution on this parameter (with a certain accuracy) by summing the results for each interval with the appropriate weight. ...
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Ссылки http://xray.sai.msu.ru/~mystery/articles/review/node35.html -- 4.5 Кб -- 22.02.1997
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4. Sternberg Astronomical Institute
SAI 175 anniversary . ... Moscow University . Search for in SAI Moscow University Search for in Russian astronomical resources . ... SAI Astronomical Databases . ... Browse SAI Software archive(ftp.sai.msu.su) . ASTRONET.RU - Russian Astronomical Network (available in translit also) . ... SAI Supernovae Research Group . ... Department of the Galaxy and Variable Stars (in Russian) . Sternberg Astronomical Institute Seminars . ... All-Russian Astronomical Olympiad (in Russian) . ...
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5. Cosmological Parameter Survey Using the Gravitational Lensing Method
... ATNF Home . ... About ATNF overview . ... Australia Telescope Steering Committee . ... Parkes radio telescope . ... Parkes | ... Australia Telescope 20GHz Survey . ... Visiting Parkes radio telescope . ... Parkes radio telescope webcam . ... Additionally, they provide insight into the gravitational lensing process and its complex relationship with the various cosmological parameters. Keywords: cosmology: large-scale structure - gravitational lensing . ... The Elements of Gravitational Lensing . ...
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Ссылки http://www.atnf.csiro.au/pasa/18_2/premadi/paper/index.html -- 52.6 Кб -- 08.04.2016
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6. Abstract
Proceedings of the Particle Physics and Early Universe Conference (PPEUC). For this paper: postscript PPEUC CMB index 1 Likelihood Analysis.. ... Institute for Astronomy, University of Edinburgh, Royal Observatory, Blackford Hill, Edinburgh, EH9 3HJ, U.K. Max Tegmark . ... We discuss the problems of applying Maximum Likelihood methods to the CMB and how one can make it both efficient and optimal. ... A much fuller account of most of this work is available ( Tegmark, Taylor & Heavens (1997) ). ...
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Ссылки http://www.mrao.cam.ac.uk/ppeuc/astronomy/papers/taylor/taylor.html -- 4.0 Кб -- 20.06.1997
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7. HST this week
... Abstract . ... Howard Bond, Space Telescope Science Institute . ... Harald Ebeling, University of Hawaii . A Snapshot Survey of the most massive clusters of galaxies . ... The Star Formation Histories of Early Type Dwarf Galaxies in Low Density Environments: Clues from the Sculptor Group . ... Globular Cluster Systems of Elliptical Galaxies in Low Density Environments . ... GO 10554: Globular Cluster Systems of Elliptical Galaxies in Low Density Environments . ... Past weeks: . ...
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Ссылки http://www.stsci.edu/~inr/thisweek1/thisweek128.html -- 15.3 Кб -- 08.06.2007
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8. Keywords_262
... First, we computed the mean errors of orbit parameters on the assumption of the linear connection of them with observation errors and then we compared obtained estimates with those resulting from the assumption of the nonlinearity of this connection. Secondly, we correlate orbital parameters and their errors obtained by the method of the least modulus with those obtained by the least-squares method. ...
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Ссылки http://www.ipa.nw.ru/PAGE/EDITION/transaction/tbook/262.htm -- 4.2 Кб -- 02.10.2012
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9. http://hea-www.harvard.edu/AstroStat/HEAD2004/poster_yaming_timeseries.ps
Detecting Variations in Source Intensity for Poisson Data Y. Yu, XL. Meng, D. van Dyk, V. Kashyap, and A. Zezas Abstract The analysis of light curves is an especially challenging statistical task for low-count Poisson data: Variation in the source intensity may be shadowed by the Poisson variation of the counts. Here we discuss a class of statistical models that are designed to capture trends and autocorrelations in Poisson data that are collected over time. ... Example: A downward trend? . ...
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Ссылки http://hea-www.harvard.edu/AstroStat/HEAD2004/poster_yaming_timeseries.ps -- 191.6 Кб -- 13.09.2004
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10. Spectral energy distribution
... In brief: the frequency-dependent radiative transfer equation is solved for a dust under assumption of spherically-symmetric geometry for its distribution taking into account particle size distribution and quantum heating effects for the very small dust particles. ... Table: Model parameters for IRAS04296+3429. ... parameter . ... hot dust shell) . ... The best fit to the spectral energy distribution of IRAS04296 is shown by heavy solid line (see Table2 for details concerning parameters of the model...
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Ссылки http://mavr.sao.ru/hq/ssl/IRAS04296/node8.html -- 17.5 Кб -- 02.10.2012
[ Сохраненная копия ] Ссылки http://www.sao.ru/hq/ssl/IRAS04296/node8.html -- 17.5 Кб -- 01.10.2012
[ Сохраненная копия ] Ссылки http://jet.sao.ru/hq/ssl/IRAS04296/node8.html -- 17.5 Кб -- 01.10.2012
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[ Сохраненная копия ] Ссылки http://www.sao.ru/hq/ssl/IRAS04296/node8.html -- 17.5 Кб -- 01.10.2012
[ Сохраненная копия ] Ссылки http://jet.sao.ru/hq/ssl/IRAS04296/node8.html -- 17.5 Кб -- 01.10.2012
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11. Svetlana G. Pugacheva
... S. G. Pugacheva. Sternberg State Astronomical Institute, Moscow, 119899, Russia, pugach@sai.msu.ru . ... Sternberg State Astronomical Institute, Moscow University, Russia, pugach@sai.msu.ru . ... Sternberg State Astronomical Institute, Moscow University, 13 Universitetsky pr., ... Sternberg State Astronomical Institute, Lomonosov Moscow State University, Universitetskii pr. ... S. G. Pugacheva and V. V. Shevchenko, Sternberg State Astronomical Institute, Moscow University, 13 Universitetsky pr., ...
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Ссылки http://selena.sai.msu.ru/Pug/PugE.htm -- 8.8 Кб -- 28.04.2015
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12. Vladimir Marsakov Abstracts
... The obtained results lead to the following conclusions: a) the heavy element enrichment had taken place in the Galaxy in a few bursts of its activity rether than in a continuons manner; b) these bursts occured during the callapse of the early Galaxy; c) the star formation had been inhibited in the time of the bursts; d) the metal enrichment did not proceed in the periods of star formation, between these bursts of activity. ...
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Ссылки http://ip.rsu.ru/~marsakov/abs/abst4.htm -- 3.3 Кб -- 02.02.2007
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13. Corrections to the probability distribution
Next: Power of test Up: Basic principles of Previous: Test statistics . In principle, it is possible to compute a value of the statistic for a single frequency and to test its consistency with a random signal ( ). ... The factor N means that there is an increased probability of accepting a given value of the statistic as consistent with a random signal. ... In the command individual descriptions, we often refer to probability distributions of specific statistics. ...
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Ссылки http://www.sao.ru/precise/Midas_doc/doc/95NOV/vol2/node227.html -- 6.8 Кб -- 23.02.1996
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14. Parameters
... A list of spectrum files from a set of observations, referring to one RGS instrument and one spectral order. These spectra files must be produced using the attstyle=user and associated parameters from a call to rgsproc . ... A list of accompanying event list files, in the same order as the spectra files. ... If this parameter is set to yes, the spectra files of the input lists will be combined to produced a combined spectrum file each for both spectra and background spectra files. filermf . ...
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Ссылки http://xmm.vilspa.esa.es/sas/8.0.0/doc/rgssuperrmf/node4.html -- 10.5 Кб -- 02.07.2008
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15. Armagh Observatory
... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . ... Quasi-stationary electron distributions for the different values of the particle escape time. ... The electron-cyclotron maser instability is widespread in the Universe, producing, e.g., radio emission of the magnetized planets and cool substellar objects. ... The model used takes into account the radiation escape from the source region and the particle flow through this region. ...
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Ссылки http://star.arm.ac.uk/highlights/2012/613.html -- 6.8 Кб -- 26.09.2012
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16. http://www.cplire.ru/html/lab234/pubs/2005-15.pdf
Numerical simulation of the self-pump ed Long Josephson junction using a modified Sine-Gordon model A.S. Sobolev a,, A.L. Pankratov b, J. Mygind a c Institute of Radio Engineering and Electronics (IREE), Mokhovaya st. 11/7, Moscow, 125009, Russia b Institute for Physics of Microstructures of RAS, Nizhny Novgorod, Russia c The Danish Technical University, Kgs. ... In our model the dumping parameter dep ends b oth on the spatial coordinate and the amplitude of the AC voltage. ...
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Ссылки http://www.cplire.ru/html/lab234/pubs/2005-15.pdf -- 137.4 Кб -- 24.01.2006
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17. ENERGETIC PARTICLE EXPERIMENT DOK-2
ENERGETIC PARTICLE EXPERIMENT DOK-2 . ... Due to much higher energy, angular and time resolution, better separation of electrons and ions it is expected that DOK-2 experiment will allow to re-examine in more details energetic particle population and related processes in magnetosphere regions covered by the spacecraft orbit. ... Thin foil in front of detector absorbes protons with energies E<400 keV so this detector measures electron spectrum in 20 - 420 keV range. ... Energy values, keV . ...
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Ссылки http://www.iki.rssi.ru/interball/dok.html -- 12.3 Кб -- 30.10.1996
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18. http://www.naic.edu/vscience/schedule/tpfiles/MeiseltagT2375tp.pdf
... T2375 Date Received: 2007-Sep-28 11:22:08 Technical Page Proposal Type: General Category : Sub- Category : Observation Category : Total Time Requested: Minimum Useful Time: Prop osal Title: Long-term Terrestrial Aeronomy Radar Middle-Lower Atmosphere 120 Hours 8 hours around 6 am Micrometeor Observations : Exploring the Solar Wind and Terrestrial Mass Influx Connection ABSTRACT: ... At present, the solar wind material produced in 2002-2004 is approaching the heliospheric boundary. ...
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Ссылки http://www.naic.edu/vscience/schedule/tpfiles/MeiseltagT2375tp.pdf -- 50.0 Кб -- 09.10.2007
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19. East Siberian Center for the Earth's Ionosphere Research. Ionospheric parameter
Russian SHAREABLE DATA CENTER Institute of Solar-Terrestial Physics SB RAS . ... Investigations of the ionospheric response to strong magnetics storms which are usual for our latitudes, are of great interest. ... In the figure, we present ionospheric parameter dynamics during three perturbed days in July 2000. ...
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Ссылки http://rp.iszf.irk.ru/esceir/isr/vozmnr2en.htm -- 3.9 Кб -- 04.06.2001
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20. http://www.gao.spb.ru/english/personal/malkin/publ/zm09a.pdf
... Learning set is formed on basis of the Taken' algorithm. ... For 10, 100, 200, 300 day forecast the time lag was correspondingly = 10, = 100, = 200, = 300. ... For every forecast (10, 100, 200, 300 days) ANN started k = 10 times. ... On figure, 1 it is shown the MAE and RMS statistics for 10-, 200- and 300-day forecast for Xp : M AE = 1 n i=n |f orecastav erag ei - realv aluei |, ... i=1 139 RMS 300 MAE 300 RMS 200 RMS 10 MAE 10 MAE 200 Figure 1: 10, 200, 300 day statistics for Xp forecast. ...
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Ссылки http://www.gao.spb.ru/english/personal/malkin/publ/zm09a.pdf -- 208.0 Кб -- 07.09.2009
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