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1. The observed distribution
Next: The derived luminosity and Up: The galactic population of Previous: The galactic population of . Figure 16: The observed distribution of pulsar dispersion measures. Dotted curve is the total known population, solid curve is the Parkes survey. Figure 17: The observed distribution of pulsar distances above the galactic plane. ... Figure 18: The observed distribution of pulsar flux densities. ...
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Ссылки http://www.atnf.csiro.au/research/pulsar/Tutorial/tut/node41.html -- 3.2 Кб -- 04.02.2013
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2. http://www.stsci.edu/~marel/abstracts/psdir/kent_proc.ps
A central black hole in M32 ? Roeland P. van der Marel 1 , HansWalter Rix 2 , Dave Carter 3 , Marijn Franx 4 , Simon D.M. White 5 , Tim de Zeeuw 1 1 Sterrewacht Leiden, Postbus ... The Netherlands 5 Institute of Astronomy, Madingley Road, Cambridge, CB3 0HA, England ABSTRACT We have measured the lineofsight velocity profiles of M32 ... Such models require a central black hole of ё 1:8 \Theta 10 6 M fi to fit the observed rotation velocities and velocity dispersions. ...
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Ссылки http://www.stsci.edu/~marel/abstracts/psdir/kent_proc.ps -- 66.7 Кб -- 23.04.1997
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3. Clumpy dust disks
... Abstract: We present Monte Carlo radiative transfer simulations for spiral galaxies modelled as a stellar disk and a two-phase clumpy dust distribution. ... As a general result, clumpy models are less opaque than the corresponding homogeneous models. ... 0.00 0.15 0.50 0.1 0.5 1.0 2.0 5.0 10.0 0.25 X . ... We have also produced several homogeneous models, to compare to the clumpy models. ... Homogeneous and clumpy models with the same tauV have the same dust mass. ...
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Ссылки http://www.arcetri.astro.it/~sbianchi/clumping.html -- 14.5 Кб -- 29.03.2002
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4. Measurement of the dark halo shape in polar ring galaxies
... According to the most popular cosmological paradigm, the greater part of the galaxy mass is accumulated in the dark matter halo. ... The polar ring galaxies (PRGs) reveal external rings or disks of gas, dust and stars rotating in a plane roughly perpendicular to the disk of the central galaxy. ... The shape of the dark halo in the model was chosen so as to achieve the best fit to the observed rotation of both galaxies themselves and their polar rings. ... The SPRC-7 galaxy. ...
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Ссылки http://www.sao.ru/Doc-en/SciNews/2014/DMhalo/ -- 8.9 Кб -- 10.04.2016
[ Сохраненная копия ] Ссылки http://mavr.sao.ru/Doc-en/SciNews/2014/DMhalo/ -- 8.9 Кб -- 10.04.2016
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5. Armagh Observatory
... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . ... A numerical simulation of the Oort cloud is used to explain the observed orbital distributions and numbers of Jupiter-family and Halley-type short-period comets. ... Virtually all observed Halley-type comets and nearly half of observed Jupiter-family comets come from the Oort cloud, and initially (4.5 Gyr ago) from orbits concentrated near the outer planetary region. ...
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Ссылки http://star.arm.ac.uk/highlights/2013/631.html -- 6.6 Кб -- 12.02.2013
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6. Inference of Coefficients for Use in Phase Correction Bojan Nikolic web pages
... Bojan Nikolic web pages (r. 329) . ... We present a Bayesian approach to calculating the coefficients that convert the outputs of ALMA 183 GHz water-vapour radiometers into estimates of path fluctuations that can be used to correct the observed interferometric visibilities. ... Inference of Coefficients for Use in Phase Correction . ... Simulating Atmospheric Phase Errors, Phase Correction and the Impact on ALMA Science . ... Copyright 2005 -- 2016, Bojan Nikolic feedback welcome ...
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Ссылки http://www.mrao.cam.ac.uk/~bn204/alma/memo-infer.html -- 14.9 Кб -- 04.04.2016
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7. 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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8. 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.. ...
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Ссылки http://www.naic.edu/vscience/schedule/tpfiles/KangtagA2217tp.pdf -- 52.1 Кб -- 07.03.2006
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9. Sky and redshift distribution
... We illustrate in Fig. 5a the sky distribution of all our observed ELGs (filled circles) in comparison with the distribution of all other observed ELGs in the same zone (open circles). ... The redshift distribution of our ELGs is shown in Fig. 5b (solid line) in comparison with the same distribution for all other Case ELG in this zone (dashed line). ... This redshift distribution looks very similar to that of BCGs in the zone of the SBS (Pustilnik et al. [ 1995 ]). root . ...
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Ссылки http://www.sao.ru/precise/Laboratory/Publications/1997/CasePR/node11.html -- 4.2 Кб -- 10.01.1998
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10. Initial Distributions of Binary Parameters
Next: Star Formation Rate and Up: No Title Previous: Calculation of Evolutionary Tracks . To start calculations, we choose the distributions of the initial binary parameters: the mass of the primary ZAMS component, , binary mass ratio, , orbital separation a . ... whereas the mass ratio distribution is not. ... The zero assumption often made is that the mass ratio distribution has a flat shape, that is binaries with a high mass ratio occur as frequently as those with equal masses. ...
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Ссылки http://xray.sai.msu.ru/~mystery/articles/review/node39.html -- 14.1 Кб -- 26.02.1997
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11. Keywords_120
Short-Period Comets: Origin and Terrestrial Impact Hazard . ... The model is consistent with the basic observed distributions of near-parabolic comets, short-period comets, Centaurs and high-eccentricity trans-Neptunian objects.This model requires that initial objects in the early Solar System are concentrated to the outer planetary region, and the physical lifetime of comets in the inner planetary region at the present epoch is an increasing function of initial perihelion distances. ...
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Ссылки http://www.ipa.nw.ru/PAGE/EDITION/transaction/tbook/120.htm -- 4.3 Кб -- 02.10.2012
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12. Rotation Periods of PMS Stars
Next: This Work Previous: Rotation Periods of ZAMS Stars . ... There are currently several groups involved in the studies of the rotation periods of PMS stars. ... Overall, there are about 100 rotation periods known for PMS stars. ... Furthermore, the stars with periods near 8 days also tend to have infrared excesses which can be interpreted as arising from disks. ... In the first interpretation, the gap occurs because locking mechanism holds stars at a eight day rotation period. ...
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Ссылки http://hea-www.harvard.edu/~swolk/thesis/intro/node5.html -- 7.1 Кб -- 02.10.2012
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13. http://zebu.uoregon.edu/2004/a321/lec01.html
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Ссылки http://zebu.uoregon.edu/2004/a321/lec01.html -- 8.8 Кб -- 09.01.2004
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14. Space weather and ecology
. 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/space.shtml -- 7.4 Кб -- 09.04.2016
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15. 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. ...
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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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[ Сохраненная копия ] Ссылки http://www.cosmos.ru/galeev/abs_eng/e120426.htm -- 57.5 Кб -- 18.04.2012
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16. NICMOS Observes the Galactic Center
Next: NICMOS/HST H-band (F160W) Images Up: NICMOS Science Previous: HST NICMOS Observations of . ... Observations of P . ... The NICMOS team has devised a comprehensive program of observations of the Galactic Center. ... Data in hand give a first look at variability and a detailed look at the search for the tip of the main sequence will be discussed where NICMOS has demonstrated adequate sensitivity and photometric precision to identify likely O8-B1 stars at the Galactic Center. ...
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Ссылки http://www.stecf.org/conferences/sardinia/node25.html -- 12.9 Кб -- 12.06.2006
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17. Sky Distribution of ~14.000 Observed Stars | ESO
... Science User Portal . ... ESO, the European Southern Observatory . ... Travel and Contacts . Travel to ESO Headquarters . ... Survey Telescopes . ... Star Clusters . Stars . ... Stars@ESO . ... ESO Science Newsletter . ... ESO 3.6-metre telescope . ... MPG/ESO 2.2-metre telescope . ... ESO 1-metre Schmidt telescope . ... Very Old Stars . ... Europe to the Stars . ... Catch a Star 2013 . Catch a Star 2011 . ... Distribution on the sky of approximately 14,000 observed solar-like stars. ...
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Ссылки http://www.eso.org/public/images/eso0411a/ -- 90.7 Кб -- 10.04.2016
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18. Vladimir Marsakov Abstracts
Authors: Yu.G. Shevelev , V.A. Marsakov , . ... We have constructed and investigated properties of metallicity function of disk stars with different ages, proceeding from the statistically restored real altitude distributions of stars at the solar galactocentric distance. It is shown that the metallicity distribution of stars in each age range is not of Gaussian form, but it may be considered as a superposition of two normal distributions centered at -0.2 and 0.0 dex. ...
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Ссылки http://ip.rsu.ru/~marsakov/abs/abst28.htm -- 4.1 Кб -- 02.02.2007
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19. http://www.gao.spb.ru/english/as/j2014/presentations/guseva.pdf
Some peculiarities of orbits of observed comets. ... Icarus, 2005 Simulation and reality Distribution of anti-perihelia of short-period comets with e 0.9 ( ecliptic coordinates ) Distribution of anti-perihelia of short-period comets with e 0.9 ( ecliptic coordinates ) Distribution of anti-perihelia of long-period comets with 0.9 e 1 ( ecliptic coordinates ) ...
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Ссылки http://www.gao.spb.ru/english/as/j2014/presentations/guseva.pdf -- 1689.7 Кб -- 28.09.2014
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20. http://comet.sai.msu.ru/~gmr/AC/AC1573.pdf
ASTRONOMICHESKII TSIRKULYAR No.1573, 2010 April 12 1995 2009 . A Comparison of the Latitudinal Variations of the Methane Absorption Bands on Saturn's Disk at Equinoxes 1995 and 2009 Abstract. The observations of Saturn at last equinox 2009 have detected significant differences of the latitudinal variations of the methane absorption from observed at 1995 equinox . ... 1995 . 2008- 2009 , . ... 4 ( 580-880 ) , (.1) , 2008-2009 . ... 2 , 4 725 1995 2009 . ... 1995 2009 15 , 1980 1995 . ...
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Ссылки http://comet.sai.msu.ru/~gmr/AC/AC1573.pdf -- 236.4 Кб -- 06.03.2012
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