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http://www.mso.anu.edu.au/seminars/abstracts/20160304-1400.html.
http://www.mso.anu.edu.au/seminars/abstracts/20160304-1400.html.
1. A 20 cm VLA survey of Abell clusters of galaxies
... We have made observations of the Perseus cluster with the Westerbork Telescope at 610 MHz. ... Several newly detected sources are identified with cluster galaxies. ... No evidence is found for the existence of the previously reported ~ 65'x25' cluster halo, 3C 84B. Key words: radio galaxies - clusters - tailed radio sources buoyancy The Perseus Cluster of galaxies is one of the most fascinating systems accessible to extragalactic astronomers. ...
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Ссылки http://www.sao.ru/cats/doc/CL_WSRT.html -- 7.9 Кб -- 18.03.2015
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2. 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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3. STScI Preprint #1287
... Authors: Arunav Kundu 1,2 , Bradley C. Whitmore 1 Using the WFPC2 on-board the HST we have identified 144 globular cluster candidates in the inner region of the S0 galaxy NGC 3115. The color distribution of the globular clusters is bimodal, with a blue peak at V-I = 0.96 mag and a red peak at V-I = 1.17 mag. ... While the red clusters follow the thick disk component of the galaxy, the blue cluster distribution is less flattened and mimics the bulge/halo light distribution. ... huizinga@stsci.edu . ...
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Ссылки http://www.stsci.edu/science/preprints/prep1287/prep1287.html -- 6.1 Кб -- 23.05.2000
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4. APOD Index - Galaxies: Clusters of Galaxies
... Editor's choices for the most educational Astronomy Pictures of the Day about clusters of galaxies: . APOD: 2006 March 21 - The Coma Cluster of Galaxies . ... APOD: 2005 November 22 - A Galactic Collision in Cluster Abell 1185 . ... A prominent example occurs on the left of the above image of the rich cluster of galaxies Abell 1185. ... Recent observations of Abell 1185 have found unusual globular clusters of stars that appear to belong only to the galaxy cluster and not to any individual galaxy. ...
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Ссылки http://www.sai.msu.su/apod/clusters_of_galaxies.html -- 10.0 Кб -- 21.12.2007
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5. ESO - Studying the Cosmological Evolution of Galaxy Clusters with (Sub-)mm
... Science . ... Science Users Information > Science Activities > PhD Thesis Topics offered by ESO Faculty Members > Studying the Cosmological Evolution of Galaxy Clusters with (Sub-)mm Observations . ... Data Handling and Products . ... ESO Data . ... Studies of the Planck data set with optical and sub-mm follow-up observations give new insights about the early assembly of the first clusters, and the later evolution of their gas content as well as of their population of star-forming galaxies. ...
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Ссылки http://www.eso.org/sci/activities/thesis-topics/abstr-kneissl.html -- 26.9 Кб -- 10.04.2016
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6. 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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7. 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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8. http://www.atnf.csiro.au/research/WALLABY/Wallaby2010/KBekki-Wallaby2010.pdf
Formation of intra-group HI gas through multiple galaxy encounters and ram pressure stripping Kenji Bekki (ICRAR at UWA, Australia) (Figures from APOD) Physical processes that drive galaxy evolution in different environments. (a) Ram pressure stripping due to hot intergalactic medium in clusters. ... Ram pressure of warm/hot intra-group gas on extended gaseous (HI) disks of galaxies in small groups and filaments (with Westmeier T. et al. ... 2011) Gas kinematics of disk galaxies under ram pressure. ...
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Ссылки http://www.atnf.csiro.au/research/WALLABY/Wallaby2010/KBekki-Wallaby2010.pdf -- 2488.6 Кб -- 10.12.2010
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9. 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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10. Extragalactic Astronomy
... Visible Distribution of Galaxies. ... Features of Elliptical, Lens-Shaped, Spiral and Irregular Galaxies. Galaxies with Bar. ... Distribution of Surface Brightness of Surface and Spiral Galaxies. ... Color Characteristics of Galaxies. ... Methods of Galaxies' Mass Determination. ... Hidden Mass of Spiral Galaxies. ... Features of Dark Matter Distribution in E and SO Galaxies. ... The Whole Number of Galaxies and Their Density by the Results of Observation on the 'Hubble' Space Telescope. ...
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Ссылки http://space.univ.kiev.ua/courses/pozagal_astron_e.html -- 6.4 Кб -- 23.02.2005
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11. http://www.mso.anu.edu.au/~plah/Home_Page_Stuff/files/SKA_Forum_2010.pdf
... The Butcher-Oemler Effect Blue Fraction, fB Redshift , z The Butcher-Oemler Effect Blue Fraction, fB Abell 370 Redshift , z Abell 370 a galaxy cluster at z = 0.37 Abell 370 , a galaxy cluster at z = 0.37 large galaxy cluster of order same size as Coma similar cluster velocity dispersion and X-ray gas temperature GMRT ~34 hours on OII] Star Formation Rate Average all 168 [OII] emission galaxies line from Bell 2003 Radio Continuum vs. ...
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Ссылки http://www.mso.anu.edu.au/~plah/Home_Page_Stuff/files/SKA_Forum_2010.pdf -- 2113.2 Кб -- 28.07.2010
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12. 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
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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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13. Spectrum-Roentgen-Gamma - The astrophysical Project at IKI RAN
... The study of the Large-scale structure of the Universe and measurements of the Dark Energy equation of state; The exploration of the growth and cosmological evolution of supermassive Black holes in the Universe. ... In course of the all sky survey SRG will discover about 100 000 galaxy clusters and 3 million AGNs. Galaxy clusters are the largest gravitationally bounded objects in the Universe and are best explored through the study of X-ray emission from the hot intergalactic gas. ... 2016 IKI RAN ...
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Ссылки http://hea.iki.rssi.ru/SRG/en/index.php?page=science -- 8.3 Кб -- 10.04.2016
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14. 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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15. ASP: Big Clusters, Tiny Galaxies
home publications > mercury . ... Big Clusters, Tiny Galaxies . ... Astronomers struggle to understand why giant star clusters form in the tiniest of galaxies . ... These clusters are probably young versions of globular clusters, but they are commonly called super star clusters. Seven dwarf galaxies within 16 million light-years have formed super star clusters, with one of these galaxies, NGC 1569, possessing two young clusters. ... Super star clusters have a lot to tell us about star formation. ...
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Ссылки http://www.astrosociety.org/pubs/mercury/32_03/clusters.html -- 17.5 Кб -- 20.04.2012
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16. Achievements - Page 4
... Dept. for Physics of Stars&Galaxies . ... Using a database view Sloan Digital Sky Survey (SDSS), containing almost a million spectra created 15,000 sample galaxies with active star formation, which is used for various studies and physical state of evolution of galaxies. ... Star clusters of the Galaxy . The project MWSC (Milky Way Star Clusters) directory using 2MASS, which includes nearly 500 million vision to the limit Ks = 15.3, analyzed more than 4,000 cluster-like objects in the galaxy. ...
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Ссылки http://www.mao.kiev.ua/index.php/en/observatory/departments/d-stars-galaxies?showall=&start=3 -- 21.2 Кб -- 11.04.2016
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17. astro-ph authors/title/abstract search for 'galaxy cluster' (skipped 200) all
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 . ...
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Ссылки http://sed.sao.ru/lit/gal_clust3.html -- 18.6 Кб -- 17.07.2001
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18. 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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19. Two open clusters in Canis Major, emission nebula NGC 2316, and spiral galaxy
... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Globular cluster NGC 2808, elliptical galaxy NGC 2986, and the Sextans Dwarf . ... Two open clusters in Canis Major, emission nebula NGC 2316, and spiral galaxy NGC 2280 . January 21 28, 2016: Open clusters NGC 2204 and NGC 2243 in Canis Major offer small-telescope owners nice views, while large-telescope owners can seek out emission nebula NGC 2316 in Monoceros and sprial galaxy NGC 2280 in Canis Major. ...
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Ссылки http://www.astronomy.com/observing/observing-podcasts/2016/01/two-open-clusters-in-canis-major-ngc-2316-and-ngc-2280 -- 64.4 Кб -- 10.04.2016
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20. http://www.mrao.cam.ac.uk/~anthony/latex/Bahcall.ps
The Mass-Density of the Universe and the Distribution of Dark Matter Neta A. Bahcall Princeton University, USA One of the most fundamental questions of cosmology is: How much matter is there in the Universe and how is it distributed? Here we show that several independent measures - including those utilizing clusters of galaxies - all indicate that the mass-density of the Universe is low: only 20-30% of the critical density. ... The results reveal a low den- sity of 0.16+-0.05. ...
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Ссылки http://www.mrao.cam.ac.uk/~anthony/latex/Bahcall.ps -- 20.8 Кб -- 14.06.2000
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