Scale-heights of the Galactic disk subsytems with different ages and metallicities . V.Marsakov & Yu. ... It is based on the fact, that all stars cross the disk plane several times during their Galactic orbital period. ... We have used our representative sample of nearby disk F2-G2 stars Marsakov & Shevelev (1995) in which fundamental stellar parameters was determined on the basis of published date on uvby-photometry, proper motion and radial velocities. ... Marsakov V.A., Shevelev Yu.G. Bull. ...

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• RR LYRAE VARIABLES SUBSYSTEMS IN THE GALAXY, figures
• Vladimir Marsakov Abstracts
• Population of Galactic globular clusters, figures

Next: Structure of the Galaxy Up: Model of the Galaxy Previous: Model of the Galaxy . As discussed above (Section  6 ), galactic binary systems are assumed to be distributed logarithmically along their semi-major axis A (Abt and Levy, 1976[ 2 ]), . ... Figure 40: Number of binary stars per frequency decade. ... As the observed distribution of binary periods is flat (equation ( 15.3.1 )), the normalization constant is the total number of galactic binaries per frequency decade: . ...

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• Amplitude Distribution
• Initial Distributions of Binary Parameters
• Space position

. Modern Comsological Puzzles

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• Physics 410/510 Observational Cosmology

... The distribution of galactic RCB stars is controversial. Several authors have argued that they belong to a thick galactic disk, and are thus old Population I stars. ... However, their distribution and space velocities suggest they may alternatively belong to the even older galactic bulge (Population II, [ Drilling 1986 ]). ... These are the only RCB stars for which a distance is known and hence for which an absolute magnitude can be deduced. ...

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• Low-Mass Star Formation
• Numbers and distances
• Armagh Observatory

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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• Distribution in size of the irregularities
• Galactic Distribution
• Research - The high-velocity clouds of M31

Stellar population of the interacting galaxies M51. ... Stellar photometry of about one million stars in the system of the interacting galaxies M51 has been carried out on the basis of the ACS images of the Hubble Space telescope. ... A comparison of the stellar distribution in the main galaxy NGC 5194 with the empirical model of the distribution of stars showed their similarity, in spite of interaction in the system. ...

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• Spectral energy distribution
• Results scientific researchs 20
• Results scientific researchs 3

The summary plot shows the monthly time distribution of all predicted magnetic conjugations between four spacecraft considered. ... To show the time of conjugation, in frame of the corresponding day for each SC the corresponding colour and line are used: . for the first SC the red color and the first line are used, . ... On the plot the SC names are shown by the corresponding colours. The summary plot permit to find the simultaneous magnetic conjugations of 3 and even 4 satellites. ...

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• The plot of the magnetic conjugation's time distribution
• Nonequilibrium distributions
• INTERBALL Tail Probe flight longterm situation analysis 1995 - 2000

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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• TESTS/CCD
• Noise distributions
• Some statistical trends and distributions

... Let be a random deviate which follows a Poissonian probability distribution about the expectation value . Although the Poisson distribution itself is only defined for integer , one can find the following continuous `envelope function' to the Poisson values: . ... where is the gamma function . ... The expectation value of is . ... Equation 5 is used both in the present program and in boxdetect to estimate the null-hypothesis probability distribution of the weighted sum of Poissonian images. ...

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• Description
• SAS binary distribution
• Procedure

... Archives . ... Reduced and Processed Data . ... 2 distribution plays an incredibly important role in astronomical data analysis, but it is pretty much a black box to most astronomers. ... Comment ( RSS ) | ... I guess in the typical analysis we call chi2 a ?random variable? that follows the chi2 distribution: . ... where D(i) is the observed data, M(i) is the model predicted data and we ?silently? assume that D(i) is normally distributed and each i measurement is independent. ... Chandra Blog . ...

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• Stars with Less Secure Periods
• The AstroStat Slog distribution
• Comments on: tests of fit for the Poisson distribution By: hlee

Following are instructions to build and install the programs in this distribution. Make sure that you have all necessary tools for building executables. ... The automatic build process expects a configuration file called Config.local . ... The configuration file specifies the directory in which to install the binaries, as well as control over the generation of debugging code and reference clock support. ... Cleans out object files, programs and temporary files. make distclean . ...

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• The Network Time Protocol (NTP) Distribution
• Zen: snrad queries
• Distribution of Supernovae according to their parent galaxies' recession

... The sample of the Local Volume galaxies (distance smaller than 10 Mpc) gives a unique opportunity to study the properties of galaxies including the weakest objects: the absolute magnitude M B -10 and the virial mass M vir 10 9 M x263C;. ... Luminosity function of the Local Volume galaxies. ... The luminosity functions for galaxies are presented: red dashed line - from the 2dFGRS survey (Norberg et al. 2002); blue dash-dotted line - from the SDSS survey (Blanton et al. ...

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• Metagalaxy sector, archive 2006
• important11-15_en
• Measurement of the dark halo shape in polar ring galaxies

... Empirical and theoretical modeling of 3-D structures in the solar corona is confronted by the tremendous amount of data needed to represent phenomena with a large dynamic range both in size and magnitude, and with a rapid temporal evolution. Octree representation of the 3-D coronal electron distribution offers the right compromise between resolution and size, allowing computation of synthetic images of the solar corona. ... The time interval between images is one day. ...

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• Using Massively Parallel Processing of a NLTE Spectrum Synthetic Code and an
• Bias-Free Parameter Estimation with Few Counts, by Iterative Chi-Squared
• Mapping the Jagiellonian Field of Galaxies

.

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• The Spatial Distribution of Dust and Stellar Emission of the Magellanic Clouds
• STScI Preprint #1255
• The Herschel revolution: Unveiling the morphology of the high-mass

Large-Scale Structure of the local Universe with INTEGRAL observatory >200-300 , . ... It is now widely accepted, that practically every galaxy in the local Universe has supermassive black hole and some of these black holes are AGNs. ... 136 ( ) 49- . ... The map of the survey is shown on the left. ... Using Hard X-ray all-sky survey such important properties of nearby Universe as energetics of accretion to the supermassive black holes and large-scale mass distribution of matter were studied. ...

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Bobylev V.V., Bajkova A.T., 2016, Analysis of the Z Distribution of Young Objects in the Galactic Thin Disk. Astron. Lett., ... Bobylev V.V., Bajkova A.T., 2016, Kinematic Analysis of Solar-Neighborhood Stars Based on RAVE4 Data. ... Bobylev V.V., Bajkova A.T., 2016, The z Distribution of Hydrogen Clouds and Masers with Kinematic Distances. ... Bobylev V.V., Bajkova A.T., 2015, Detection of periodic variations in vertical velocities of Galactic masers. ... Bobylev V.V., 2014, The Gould belt. ...

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... 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. ...

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• Polarization properties (transmitted radiation)
• Fractal Matter Distribution
• Modelling the Milky Way in the Era of Gaia - JD5 programme

T he Siding Spring Survey (SSS) is a Near-Earth Object search program that utilises the 0.5-m Uppsala Schmidt Telescope at Siding Spring Observatory, N.S.W., Australia. ... The mission of the Siding Spring Survey is to contribute to the inventory of near-earth objects (NEOs), or more specifically, the potentially hazardous asteroids (PHAs) and comets (PHOs) that may pose a threat of impact and thus harm to civilization. ... Based on the CSS Mission page . ... Siding Spring Survey Main Page . ...

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• The GMRT Array Distribution
• Lecture 19: Probability Distribution Functions
• Lesson 1: Using Uncertainties

To construct two-dimension distribution of minor planets user should specify elements/ parameters/ function that will be plotted as abscissas and ordinates. In three-dimension case one should add to them the element plotted on Z axis. ... Though you may choose elements plotted along different axes at will, often there is good reason to plot such elements as a, n, or n" along X axis (two-dimension distributions) and to plot them along Y axis in three-dimension case. ...

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• ENGAMPLE
• Keywords_120

... One of the most widely used tools of Fourier analysis is the Parseval theorem. It enables the experimentalist to view how the `energy' in the signal is distributed among frequencies. The Fast Fourier Transform (FFT) algorithms have made power spectra one of the obvious diagnostics tools during data acquisition, and energy maps are a versatile alternative. ... The result is an energy map (Fig. 9), showing the distribution of energy corresponding to the wavelet map (Fig. ...

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• Relationship Between Auto Chirplet FF Plane and Radon Transform
• Installing the System
• Data reduction: histograms and pdf's