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http://www.stsci.edu/~marel/abstracts/abs_A13.html.
http://www.stsci.edu/~marel/abstracts/abs_A13.html.
1. Abstract
The velocity and mass distribution of clusters of galaxies from the CNOC1 cluster redshift survey . ... The resulting sample is ideally suited for an analysis of the internal velocity and mass distribution of clusters. Previous analyses of this dataset used the Jeans equation to model the projected velocity dispersion profile. However, the results of such an analysis always yield a strong degeneracy between the mass density profile and the velocity dispersion anisotropy profile. ...
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Ссылки http://www.stsci.edu/~marel/abstracts/abs_R26.html -- 5.9 Кб -- 23.11.2000
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2. A VLA Survey of Rich Clusters of Galaxies II
... 145Slee,Roy Savage We present detailed radio and optical parameters for the stronger radio sources in 58 Abell cluster fields observed with the Very Large Array (VLA) using scaled arrays at 1.5 and 4.9 GHz. ... The cluster fields were distributed over 24 h of RA and between declinations +35 deg and -30 deg. ... Optical identifications Cluster Source Radio Centroid Optical Position EF Ang. ...
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Ссылки http://www.sao.ru/cats/doc/CL_Slee2.html -- 6.7 Кб -- 18.03.2015
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3. ESO - Thesis Topic: Studying the first galaxy clusters with ALMA
... Science . ... Science Users Information > Science Activities > PhD Thesis Topics offered by ESO Faculty Members > Thesis Topic: Studying the first galaxy clusters with ALMA . ... ALMA will provide a major leap forward in our capabilities of studying the high-redshift universe, especially the first galaxies. ... These first galaxies are also found to cluster relatively strongly, and are expected to form proto-clusters, later growing to be the fully-formed galaxy clusters we see in the local Universe....
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Ссылки http://www.eso.org/sci/activities/thesis-topics/abstr-vanKampen.html -- 26.7 Кб -- 10.04.2016
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4. Spatial Structure of NGC 6822: An Example for Statistical Modeling of
... 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 . ...
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Ссылки http://www.adass.org/adass/proceedings/adass94/pasztorl2.html -- 11.0 Кб -- 03.11.2000
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5. Compact Stellar Systems in the Fornax Cluster: Super-massive Star Clusters or
... Australia Telescope Compact Array . ... Compact Stellar Systems in the Fornax Cluster: Super-massive Star Clusters or Extremely Compact Dwarf Galaxies? ... We suggest that these objects are either super-massive star clusters (intra-cluster globular clusters or tidally stripped nuclei of dwarf galaxies) or a new type of low-luminosity compact elliptical dwarf (``M32-type'') galaxy. ... Keywords: galaxies: star clusters -- galaxies: dwarf -- galaxies: formation . ... Properties of the compact objects ...
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Ссылки http://www.atnf.csiro.au/pasa/17_3/drinkwater/paper/index.html -- 53.2 Кб -- 08.04.2016
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6. http://www.mso.anu.edu.au/seminars/abstracts/20160304-1400.html
The radial distribution of metallicity of star-forming galaxies in a galaxy cluster can inform us about the mass assembly and enrichment history of the galaxy cluster. ... Both galaxy clusters are cool-core clusters at redshift z т?? ... The gas-phase metallicity of star- forming galaxies in MACS1115+01 exhibit anti-correlation with projected distance т??0.15 ТБ 0.08 dex/Mpc, whereas the radial metallicity distribution of RXJ1532+30 is statistically flat (т??0.09 ТБ 0.12 dex/Mpc). ...
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Ссылки http://www.mso.anu.edu.au/seminars/abstracts/20160304-1400.html -- 5.7 Кб -- 10.04.2016
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7. http://hea-www.harvard.edu/~pgreen/SOC/5.html
... Chandra Observation of DEEP2 Galaxy Groups and Clusters . ... Monday: 'Normal' Galaxies, Tuesday: Cluster Formation and Evolution . ... Statistics of galaxy groups in ultradeep XMM surveys. ... What can multiwavelength observations tell about cluster/group formation as well as galaxy evolution? ... I will present results from a Chandra study of eight low-redshift clusters that has systematically measured the AGN fraction in clusters and describe their spatial, kinematic, and host galaxy...
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Ссылки http://hea-www.harvard.edu/~pgreen/SOC/5.html -- 10.7 Кб -- 01.10.2012
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8. 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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9. Evidence for Dark Matter
Last time we saw that flat rotation curves for galaxies, when measured in galaxies with extended gas distributions, provides unambiguous data that shows the mass distribution is dominated by an unseen, spherical halo. ... Perhaps only galaxies with extended dark matter halos are capable of retaining large gaseous extents? . ... Clusters of Galaxies: . ... The case of the Cancer cluster: . ... Below is the velocity distribution of galaxies in the Cancer cluster: . ... What's going on in Cancer? ...
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Ссылки http://zebu.uoregon.edu/1997/ph410/l10.html -- 6.1 Кб -- 03.02.1997
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10. astro-ph authors/title/abstract search for 'galaxy environment' all years
Title: A Dark-Matter Spike at the Galactic Center? Authors: Piero Ullio , HongSheng Zhao , Marc Kamionkowski . ... Title: The Galaxy Environment of Quasars in the Clowes-Campusano Large Quasar Group at z~1.3 . ... Title: The Galaxy Environment of a Quasar at z=1.226: A Possible Cluster Merger . ... 16 matches for the search pattern galaxy environment . The URL for this page is: http://xxx.itep.ru/find/astro-ph/1/galaxy+environment/0/1/0/past,all/0/0 www-admin@xxx.lanl.gov ...
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Ссылки http://sed.sao.ru/lit/gal_envir.html -- 16.6 Кб -- 15.07.2001
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11. A new survey of X-ray clusters of galaxies with the Swift-X-ray Telescope
... Staff . ... Galaxies, AGN, Cosmology . ... A new survey of X-ray clusters of galaxies with the Swift-X-ray Telescope . ... In this framework, an international collaboration between INAF-OAA, INAF-Brera, INAF-OATs, the University for Science and Technology of China-Hefei, the University of Ferrara, and the University of Massachusetts-Amherst, is undertaking a new cluster survey using an X-ray facility that was never exploited before for this goal: the X-ray Telescope (XRT) onboard the Swift satellite...
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Ссылки http://www.arcetri.astro.it/en/previous/204-scientific-news/733-swxcs -- 29.8 Кб -- 10.04.2016
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12. The Hydra Cluster of Galaxies
... The Hydra Cluster of Galaxies . ... 16.04.2001 . ... Most of a cluster's mass , however, appears to be in a form too dark to see , as analyses of the distribution of X-ray light , gravitational lensing , and internal motions indicate. Abell 1060, as the above cluster is also known, appears to have an even higher fraction of dark matter than seen in a similar cluster, a situation astronomers cannot easily reconcile with both clusters forming solely from gravitational attraction. ... April 2001 . ...
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Ссылки http://www.astronet.ru/db/xware/msg/1167636 -- 15.3 Кб -- 19.04.2001
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13. articles_alex_01
Clusters of Galaxies and Large-Scale Structure ** . ... Kopylov, A. I.; Kopylova, F. G. Structure of galaxy groups and clusters measurment of their masses . ... Kopylova, F. G.; Kopylov, A. I. Pecular motions of galaxy clusters and groups in the Hercules and Leo supercluster regions . ... Kopylova, F. G.; Kopylov, A. I. Analysis of the properties of clusters of galaxies in the region of the Ursa Major supercluste . ... Kopylova, F. G.; Kopylov, A. I. The Ursa Major Supercluster of Galaxies: II. ...
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Ссылки http://www.sao.ru/hq/dolly/index_alex/articles_alex_01.html -- 18.2 Кб -- 10.04.2016
[ Сохраненная копия ] Ссылки http://mavr.sao.ru/hq/dolly/index_alex/articles_alex_01.html -- 18.2 Кб -- 10.04.2016
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[ Сохраненная копия ] Ссылки http://mavr.sao.ru/hq/dolly/index_alex/articles_alex_01.html -- 18.2 Кб -- 10.04.2016
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14. Old neutron star distribution in the Galaxy
Next: Abstract . Mikhail E. Prokhorov and Konstantin A. Postnov . ... Physics of Neutron Stars'' . ... Abstract . ... Initial conditions . Space and velocity distributions . Space position . Initial velocity . ... Mike E. Prokhorov . ...
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Ссылки http://xray.sai.msu.ru/~mystery/articles/old_ns/ -- 3.9 Кб -- 19.08.1996
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15. Stellar Astronomy
... Subject and Problems of Stellar Astronomy. ... Plane of Galaxy, Methods of Its Location Determination. ... Stars Distances. ... Other Methods of Stars Distances Determination. ... Tangential Velocities, Their Determination by Self-Motions. ... Determination of Solar Apex and Spatial Velocity by Radial and Spatial Velocities of Stars. ... Features of Orientation and Parameters of Peculiar Stellar Velocities Ellipsoid. ... General and Selective Light Absorption in Galaxy. ... Darc Clouds in Galaxy. ...
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Ссылки http://space.univ.kiev.ua/courses/zor_astron_e.html -- 8.0 Кб -- 23.02.2005
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16. ASP: Globular Clusters and Satellite Galaxies: Companions to the Milky Way
... Our Milky Way galaxy is host to a number of companions. These companions are gravitationally bound to the Milky Way and are stellar systems in their own right. They include a population of about 150 globular clusters (GCs) and some 30 dwarf satellite galaxies (DSGs). ... These DSGs are more extended and diffuse compared to GCs. In fact the larger satellites of the Milky Way (and other galaxies, for that matter) host their own small systems of GCs. ...
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Ссылки http://www.astrosociety.org/pubs/mercury/38_02/forbes.html -- 6.7 Кб -- 02.10.2012
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17. Types of Nebulae
... We sometimes use the word "nebula" to refer to galaxies, various types of star clusters and various kinds of interstellar dust/gas clouds. ... Early in this century, there was a great debate as to the nature of the nebulae like this one which at that time could not be resolved into individual stars. ... A typical galaxy is 100,000 light-years in diameter. ... M 42 shown) Reflection nebulae are clouds of dust which are simply reflecting the light of a nearby star or stars. ... M 1 shown) . ...
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Ссылки http://www.sai.msu.su/twn/types.html -- 7.8 Кб -- 01.10.2012
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18. http://sn.sai.msu.ru/~sil/preprints/postbr2.pdf
... All the galaxies are divided into 4 groups depending on the environment type; every subsample contains more than 10 galaxies. ... An effect of environments is seen both for the nuclei and for the bulges: if we consider the clusters (Virgo and Ursa Ma jor) and group centers as dense environments and the field and group periphery as sparse environments, then in the dense environments the stellar populations of S0s are in average older by 45 Gyr than in the sparse ones. ...
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Ссылки http://sn.sai.msu.ru/~sil/preprints/postbr2.pdf -- 85.0 Кб -- 01.12.2004
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19. http://www.naic.edu/alfa/ealfa/papers/cortese_iau244.pdf
... This represents the first HI selected sample covering the core and the outskirts of a local cluster of galaxies. ... Optically selected samples miss a considerable number of low luminosity, low surface brightness galaxies underestimating by almost a factor 2 the number of HI rich galaxies present in the cluster volume. ... Right: The g band luminosity function for galaxies in the A1367 volume as obtained from the optically (circles) and HI (histogram) selected sample. ...
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Ссылки http://www.naic.edu/alfa/ealfa/papers/cortese_iau244.pdf -- 122.5 Кб -- 20.08.2007
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20. ESLAB 2007
... Session 1 - Stars, star formation, stellar populations and planets . 9.20 10.00 . ... HST Spectroscopy of the Hottest White Dwarfs . ... Coffee break . ... Lunch break . ... A (long) look at neutron stars with HST . ... Session 2 - Nearby galaxies, bulges, spheroids, galaxy formation . ... New HST/ACS Insights into the Evolution of Star-Forming Dwarf Galaxies with Extreme Properties of Cosmological Relevance . ... Deriving properties of Lyman-break galaxies at z~3-5 using HST/VLT/Spitzer data . ...
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Ссылки http://www.stecf.org/conferences/ESLAB2007/programme.php -- 24.7 Кб -- 01.10.2012
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