... Next: Cheating Poisson: A Up: Statistical Analysis Previous: Spatial Models and . ... The spatial distribution of stars in the Local Group dwarf irregular galaxy NGC 6822 has been studied, using recent positions and deep photometry for about 15,000 stars in the galaxy. Based on photometrical data, OB stars and red stars could be studied separately. Spatial statistical tools have been applied to the analysis of the spatial structure. ... Figure: Model selection by the aid of CAIC . ...

Еще в разделе: (Показать все результаты (>1889) - www.adass.org/ )

• Large Scale Clustering in the Universe - A Package of Codes
• Stochastic Relaxation as a Tool for Bayesian Modeling of Astronomical Images
• A Method to Test the Adequacy of a Model to Observations

... HST . ... Lensing Models . ... In order to interpret many of the properties of background lensed galaxies, reliable models of the lensing maps for each cluster are required. Preliminary models for each of the six Frontier Fields clusters have been provided by five independent groups prior to the HST Frontier Fields observing campaign in order to facilitate rapid analysis of the FF data by all members of the community. ... The various groups model the cluster mass distribution in different ways. ...

Еще в разделе: (Показать все результаты (>18590) - www.stsci.edu/ )

• Starburst and Galaxy evolution
• Simulation of a Distant Cluster of Normal Galaxies
• Science Aided by Deconvolution

... Dark Matter Ring Modeled around Galaxy Cluster CL0024+17 . ... It is the relatively weak distortions of the many distant faint blue galaxies all over the image, however, that indicates the existence of the dark matter ring. ... A hypothesis for the formation of the huge dark matter ring holds that it is a transient feature formed when galaxy cluster CL0024+17 collided with another cluster of galaxies about one billion years ago, leaving a ring similar to when a rock is thrown in a pond. ...

Еще в разделе: (Показать все результаты (>8498) - www.sai.msu.su/ )

• APOD: 2010 August 24 - Galaxy Cluster Abell 1689 Magnifies the Dark Universe

... 2.3 Establishing the Extragalactic Distance Scale . ... 2.3.2 The Second Rung: Distances to stellar clusters . ... 2.3.4 Distances to Local Group Galaxies . ... The Luminosity Function of Planetary Nebulae . ... 3.2.2 Clusters of Galaxies . ... 4.2 Evidence for Dark Matter as a Function of Scale Size . ... 4.3 Other Dark Matter Indicators for Galaxies . ... What is the nature of the large-scale distribution of matter in the universe as traced by the three-dimensional galaxy distribution? ...

Еще в разделе: (Показать все результаты (>538) - zebu.uoregon.edu/ )

• Physics 410/510 Observational Cosmology
• The Galaxy Gallery: Messier Objects

... Science Activities > PhD Thesis Topics offered by ESO Faculty Members > Thesis Topic: Dynamical models of multiple globular cluster populations around massive galaxies . ... Different techniques have been devised to separate multiple GC populations and perform dynamical analyses. ... Within this project, the PhD candidate will examine mock models of multiple GC populations around massive galaxies, devising `blinded' functional tests and comparing the possible sources of bias in different techniques....

Еще в разделе: (Показать все результаты (>66914) - www.eso.org/ )

... Dark Matter Ring Modeled around Galaxy Cluster CL0024 17 . ... A new observation of gravitationally magnified faint galaxies far in the distance behind a massive cluster of galaxies is shedding new dark on the subject. ... A hypothesis for the formation of the huge dark matter ring holds that it is a transient feature formed when galaxy cluster CL0024+17 collided with another cluster of galaxies about one billion years ago, leaving a ring similar to when a rock is thrown in a pond. ...

Еще в разделе: (Показать все результаты (>114209) - www.astronet.ru/ )

• Астронет > Dark Matter Ring Modeled around Galaxy Cluster CL0024 17
• Galaxy Cluster Abell 1689 Magnifies the Dark Universe
• Астронет > Archive of Astronomical and Astrophysical Transactions

Title: A New Model of the Gravitational Lens 0957+561 and a Limit on the Hubble Constant . Authors: Norman A. Grogin , Ramesh Narayan (Harvard Univ.) ... Title: ROSAT/PSPC observation of the distant cluster CL0939+472 . ... Title: Interaction in the Bimodal Galaxy Cluster A3528 . ... Title: Cosmological Implications of Galaxy Cluster Evolution . ... Title: Galaxy Cluster Virial Masses and Omega . ... Matches 201 to 222 from a total of 222 matches for the search pattern galaxy cluster . ...

Еще в разделе: (Показать все результаты (>60) - sed.sao.ru/ )

• Informational system "Evolution of RG"
• Description of SED models
• astro-ph authors/title/abstract search for 'galaxy merging' all years

... The search for distant objects which can be both galaxies and quasars is one of the most important problems of observational astrphysics, because it allows one to determine cosmological parameters connected with the time of appearence and evolution of stellar systems, large scale structure of the Universe. ... Radio galaxies are important objects to be studied because they are sources of infrared-optical-ultraviolet continuum, emission lines and continual radio emission. ...

Еще в разделе: (Показать все результаты (>1529) - jet.sao.ru/ )

• RESEARCH PROBLEMS of the LRS
• Laboratory of spectroscopy and photometry of extragalactic objects : Vortex
• Papers of Vortex project

... 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. ...

Еще в разделе: (Показать все результаты (>1360) - mavr.sao.ru/ )

• Lack of Dwarf Galaxies in the Local Volume Compared to Conventional Cosmology
• Galaxy sector, archive 2012
• articles_flera_en

Decomposition of Galaxy Images and Galaxy Rotation Curves Mosenkov A.V.*^, Savchenko S.S.*, Sotnikova N.Ya.* ... The DECA (DEComposition Analysis) code is designed to investigate images of galaxies in an automatic regime (using the simple 'bulge+disc' model) as well as in manual mode for more detailed images and/or for multicomponent structures. ... The GRCF package was created for performing the galaxies rotation curve decomposition using the models of the bulge, the disc, and the dark halo. ...

Еще в разделе: (Показать все результаты (>346) - www.gao.spb.ru/ )

• http://www.gao.spb.ru/english/as/j2014/presentations/heinkelmann_swg3.pdf
• http://www.gao.spb.ru/english/personal/malkin/publ/zm03d.pdf
• http://www.gao.spb.ru/english/personal/malkin/publ/zm03e.pdf

... Abstract: We present an extensive study of the radiative transfer in dusty galaxies based on Monte Carlo simulations. ... We have explored the dependence of A_l on a conspicuous set of quantities (Hubble type, inclination, dust optical thickness, dust distribution and extinction properties) for a large wavelength interval, ranging from 1250A to the K band, thus finally providing a comprehensive atlas of dust extinction in galaxies, which is electronically available. ... S04_MD20[ att , abs ] . ...

Еще в разделе: (Показать все результаты (>9766) - www.arcetri.astro.it/ )

• Clumpy dust disks
• The impact of Warm Dark Matter on the ages of galaxies
• Galaxy Spectra Calibration - 4

Next: Transparency of the Stochastic Up: Model of the Galaxy Previous: Frequency distribution of galactic . ... The parameters of the model resulted from a numerical fitting of various data, such as the observed distribution of the young star population and neutral hydrogen, the density of population II stars in the vicinity of the Sun, the galactic rotation curve and the dynamics and distribution of globular clusters   and dwarf irregular satellites of the Galaxy. ...

Еще в разделе: (Показать все результаты (>695) - xray.sai.msu.ru/ )

• Model of the Galaxy
• Seminars
• Frequency distribution of galactic binaries

Chiaki Kobayashi, Ralph Sutherland How galaxies did form and evolution? - to answer this unsolved problem, we are simulating the formation and evolutionary history of galaxies in the Universe, including star formation, supernovae feedback, and chemical enrichment. Comparing the spacial distribution of elements within galaxies with observations, we will examine fundamental physical processes that drive galaxy formation. ... COALA : Universe Galaxy AGN Star Planet ...

Еще в разделе: (Показать все результаты (>1510) - www.mso.anu.edu.au/ )

• Proposed Facility
• THE AUSTRALIAN NATIONAL UNIVERSITY
• Giant Galaxy String Defies Models of How Universe Evolved

... Posts tagged ?model? ... Posted by hlee . ... Otherwise, it could have been used for the similar purpose not under the same statistical jargon but under the Bayesian modeling procedures. Continue reading ?[ MADS] logistic regression? Tags: logistic regression , MADS , model . Category: arXiv , Bayesian , Cross-Cultural , Fitting , Jargon | ... MADS] multiscale modeling? ... Tags: clustering , density , interdisciplinary , Jargon , model . ... Continue reading ?model vs model? ...

Еще в разделе: (Показать все результаты (>3981) - hea-www.harvard.edu/ )

• The AstroStat Slog clustering
• The AstroStat Slog Blog Archive my first AAS. IV. clustering
• The AstroStat Slog cross-validation

Next: Model of clusters Up: paper2 Previous: paper2 . ... It allows estimating different microphysical properties of scatterers (size, complex refractive index, shape, etc.) from measured characteristics of the scattered radiation. ... The complexity of the direct problem depends on its input parameters characterizing the shape, size and structure of the scattering particle. ... Next: Model of clusters Up: paper2 Previous: paper2 root 2003-04-11 ...

Еще в разделе: (Показать все результаты (>412) - www.astro.spbu.ru/ )

• Modelling the Milky Way in the Era of Gaia - JD5 Rationale
• Model of clusters
• Model realization and some results

... G.P.Panasenko (J.-V.Poncelet, Moscow) Multiscale problems: junction of models of different dimension, applications to hemodynamics. ... Gubkina , Moscow, Russia . ... The workshop is devoted to an important trend in mathematical modeling, the multiscale methods and its applications in biology and medicine. ... It was organized in the frame of the thematic year on the multiscale methods and modeling in biology and medicine organized by the Russian-French laboratory J.-V.Poncelet. ...

Еще в разделе: (Показать все результаты (>1183) - www.mccme.ru/ )

• Young researchers' seminar in statistical physics
• Algorithms in Bioinformatics

... Bojan Nikolic web pages home . Next: Fitting of models of radio spectra --.. ... I describe an approach to fitting and comparison of radio spectra based . on Bayesian analysis and realised using a new implementation of the . ... used maximum-likelihood fitting of radio spectra by allowing objective . ... implementation details of the computer code. ... overall approach described here may also be useful for analysis of other . ... Copyright 2012, Bojan Nikolic feedback welcome ...

Еще в разделе: (Показать все результаты (>1865) - www.mrao.cam.ac.uk/ )

• Atmospheric Modelling for ALMA
• Modelling absorption and emission of radiation by interstellar dust Bojan
• Astrophysics Group Available research projects/areas

Russian SHAREABLE DATA CENTER Institute of Solar-Terrestial Physics SB RAS . ... Although their determination is based on the scattering process model, independent check-ups by rocket experiments have shown their correctness in experimental applications. ... Ionospheric data analysis, especially during strong disturbances, cannot be without some other kinds of diagnostic tools. ... The lack of data has always been a challange in this case. ...

Еще в разделе: (Показать все результаты (>41) - rp.iszf.irk.ru/ )

• East Siberian Center for the Earth's Ionosphere Research. Maximum usable
• East Siberian Center for the Earth's Ionosphere Research. Mathematical

home education > activities . ... Quick math activity that asks students to calculate scale models of a binary star system with a black hole in it. [h] . ... Students use a radiometer and a light bulb with a dimmer switch to make connections between the temperature, color, and radiation output of a star. ... This demonstration, similar to the above, from the Exploratorium Snack-book of science activities, lets students demonstrate how molecules scatter light and change the colors of the beam. [m,h] . ...

Еще в разделе: (Показать все результаты (>1220) - www.astrosociety.org/ )

• ASP: Beacons in the Gloom
• ASP: The Story of Astronomy
• ASP: The Universe At Your Fingertips Activities TOC

... Tonight's Sky . ... Observing . ... Sky this Month . ... Gravitational wave search provides insights into galaxy evolution and mergers . ... galaxies . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Astronomy for Kids . ... Dave's Universe . ... Inside the cyclic model of the universe . ... Get instant access to subscriber content on Astronomy.com! ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. ...

Еще в разделе: (Показать все результаты (>6728) - www.astronomy.com/ )

• Dwarf galaxies donт??t fit standard model | Astronomy.com
• galaxy clusters | Astronomy.com
• Chandra weighs most massive galaxy cluster in distant universe | Astronomy.com