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1. The Galaxy Gallery: Messier Objects
M1 image More About M1 Nice Color Picture . ... M16 image More About M16 HST image . ... M31 image More About M31 Nice Color Picture . ... M42 image ; M43 image More About M42/43 Nice Color CCD Picture . M51 image More About M51 Color Image of M51 M51 Supernova . M57 image More About M57 Nice Color CCD Picture Very Deep M57 Image . ... M81 image More About M81 M81 Supernova Ultraviolet Image of M81 More about Ultraviolet Imaging . M82 image More About M82 M82 False Color M82 True Color . ...
[ Сохраненная копия ]  Ссылки http://zebu.uoregon.edu/messier.html -- 7.0 Кб -- 23.07.2004
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2. The El Gordo Massive Galaxy Cluster
... The El Gordo Massive Galaxy Cluster . ... The above image of El Gordo is a composite of a visible light image from the Hubble Space Telescope , an X-ray image from the Chandra Observatory showing the hot gas in pink, and a computer generated map showing the most probable distribution of dark matter in blue, computed from gravitational lens distortions of background galaxies. ... Publications with keywords: galaxy cluster - dark matter . Publications with words: galaxy cluster - dark matter . ...
[ Сохраненная копия ]  Ссылки http://www.astronet.ru/db/xware/msg/1308666 -- 16.3 Кб -- 22.04.2014
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3. APOD: 2001 February 22 - 3C294: Distant X Ray Galaxy Cluster
... 2001 February 22 . 3C294: Distant X-Ray Galaxy Cluster . ... This Chandra Observatory image centered on a radio galaxy cataloged as 3C294 indeed reveals the telltale hot x-ray gas in an hourglass shaped region surrounding the dominant galaxy and shows the presence of a massive galaxy cluster in the distant universe . ... The cluster associated with 3C294 is 10 billion light-years away making it the most distant x-ray galaxy cluster ever detected . ... About APOD | ...
[ Сохраненная копия ]  Ссылки http://www.sai.msu.su/apod/ap010222.html -- 4.6 Кб -- 01.10.2012
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4. Impact Hazard
... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . ... Risks Comparable to NEOs . ... The Increasing Rate of Discovery of Asteroids . ... Comet and Asteroid Collision Probabilities . ... Extreme albedo comets and the impact hazard (PDF Format) . ... Asteroid Impact Animations . ... Workshop on Scientific Requirements for Mitigation of Hazardous Comets and Asteroids - 2002 . ... The Spaceguard Survey Report, 1992 (PDF) . Tsunami from Asteroid/Comet Impacts . ...
[ Сохраненная копия ]  Ссылки http://star.arm.ac.uk/impact-hazard/ -- 11.3 Кб -- 29.06.2012
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5. El Gordo: a massive distant merging galaxy cluster | ESO
... Science User Portal . ... ESO, the European Southern Observatory . ... Travel and Contacts . Travel to ESO Headquarters . ... Survey Telescopes . ... Galaxies . Galaxy Clusters . ... ESO Science Newsletter . ... ESO 3.6-metre telescope . ... MPG/ESO 2.2-metre telescope . ... ESO 1-metre Schmidt telescope . ... This video shows the distant merging galaxy cluster ACT-CL J0102тИТ4915. ... This newly discovered galaxy cluster has been nicknamed El Gordo тАФ the "big" or "fat one" in Spanish. ...
[ Сохраненная копия ]  Ссылки http://www.eso.org/public/videos/eso1203b/ -- 91.5 Кб -- 10.04.2016
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6. http://www.arcetri.astro.it/~palla/ANDREAIMMAGINI/Cosmologia/A2218.txt
... STScI-PF95-14 FOR RELEASE: APRIL 5, 1995 HUBBLE VIEWS DISTANT GALAXIES THROUGH A COSMIC LENS This NASA Hubble Space Telescope image of the rich galaxy cluster, Abell 2218, is a spectacular example of gravitational lensing. The arc-like pattern spread across the picture like a spider web is an illusion caused by the gravitational field of the cluster. ... The arcs are the distorted images of a very distant galaxy population extending 5-10 times farther than the lensing cluster. ...
[ Сохраненная копия ]  Ссылки http://www.arcetri.astro.it/~palla/ANDREAIMMAGINI/Cosmologia/A2218.txt -- 3.7 Кб -- 04.03.2001
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7. In some photographs of galaxy clusters, why are the arcs of a lensed galaxy
... Tonight's Sky . ... Observing . ... Sky this Month . ... Gravitational wave search provides insights into galaxy evolution and mergers . ... Globular cluster NGC 2808, elliptical galaxy NGC 2986, and the Sextans Dwarf . ... Astronomy for Kids . ... In some photographs of galaxy clusters, why are the arcs of a lensed galaxy blue? ... Get instant access to subscriber content on Astronomy.com! ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. ...
[ Сохраненная копия ]  Ссылки http://www.astronomy.com/magazine/ask-astro/2013/09/arc-of-a-lensed-galaxy -- 63.7 Кб -- 10.04.2016
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8. Search for distant radio galaxies in SAO
... 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. ...
[ Сохраненная копия ]  Ссылки http://mavr.sao.ru/hq/lran/vo/hzrgE.html -- 9.3 Кб -- 02.10.2012
[ Сохраненная копия ]  Ссылки http://www.sao.ru/hq/lran/vo/hzrgE.html -- 9.3 Кб -- 01.10.2012
[ Сохраненная копия ]  Ссылки http://jet.sao.ru/hq/lran/vo/hzrgE.html -- 9.3 Кб -- 01.10.2012
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9. 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. ...
[ Сохраненная копия ]  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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10. Jeff Goldader
... I study the large-scale processes and global effects of massive star formation in galaxies, primarily using infrared observations. ... 2) Massive star formation in super star clusters-Milky Way objects such as W51 and W49 as analogues of distant clusters; the IMF in such clusters . 3) Infrared diagnostics in evolutionary synthesis models of starbursts- fitting the entire UV/optical/near-IR/far-IR spectrum of NGC 7714 with a single starburst model; adding new spectral features to starburst models. ...
[ Сохраненная копия ]  Ссылки http://www.stsci.edu/stsci/meetings/jamb98/node22.html -- 3.4 Кб -- 24.03.1998
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11. 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 ...
[ Сохраненная копия ]  Ссылки http://www.atnf.csiro.au/pasa/17_3/drinkwater/paper/index.html -- 53.2 Кб -- 08.04.2016
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12. Density Determination
In order to measure the density of the Universe, it is necessary to sample a region that is larger than the scale on which the Universe becomes approximately homogeneous. ... When applied to clusters of galaxies we find a mass to luminosity ratio that implies a density of the Universe that is about 0.3 times the critical density. ... Thus the mass-to-muinosity ratio appears to vary with the size of the region measured, from 3 in the solar neighborhood to 30 in galaxies to 300 in clusters of galaxies. ...
[ Сохраненная копия ]  Ссылки http://www.sao.ru/cats/~satr/cosmo/density.html -- 10.1 Кб -- 16.10.2000
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13. GSAOI Orion Nebula Cluster Science Page
... GSAOI Home . ... Science . ... Deep imaging at J , H , and K is required to identify all stellar objects, brown dwarfs, and planetary mass objects in the central region of the Orion Nebula Cluster down to masses comparable to that of Jupiter. This is required to establish the initial mass function, i.e., the number of stars of each mass that have formed, in this region of intense massive star formation. ... The fields of the GSAOI detectors are shown as four green squares in each frame. ...
[ Сохраненная копия ]  Ссылки http://www.mso.anu.edu.au/gsaoi/science/orion.shtml -- 6.7 Кб -- 01.10.2012
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14. ASP: Beacons in the Gloom
... In one situation, we can use light from quasars to probe the material between us and them because that light may pass through one or more galaxies or gas clouds on its way to us. The gas inside the galaxies or the intergalactic clouds acts then as a filter, absorbing selected wavelengths from the quasar light. ... Light from a quasar must pass through clouds of gas and even faint galaxies -- each leaving its imprint on the light -- before we receive it here on Earth. ... Gravitational lensing . ...
[ Сохраненная копия ]  Ссылки http://www.astrosociety.org/edu/publications/tnl/46/quasars3.html -- 11.1 Кб -- 02.10.2012
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15. HI Mass Function
... I note that "Z" plays an important role in what the ALFA surveys will look for: . ... low Z . nearby low mass . ... Arecibo . ... ADBS (Arecibo Dual Beam Survey): Rosenberg & Schneider 2002. ... A few sources with unobvious optical counterparts. ... Coverage wins for volume, but if you do a shallow survey you are sampling only the nearby volume at low masses. ... So need artificial test sources to find completeness. ... Total volume within survey in which source could have been detected. ...
[ Сохраненная копия ]  Ссылки http://www.naic.edu/alfa/ealfa/meeting1/minutes/himf.html -- 8.3 Кб -- 08.05.2006
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16. 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 . ...
[ Сохраненная копия ]  Ссылки http://sed.sao.ru/lit/gal_clust3.html -- 18.6 Кб -- 17.07.2001
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17. http://www.issp.ac.ru/iao/apao/2015/booklet/b0304_ap15_t_en_b.pdf
... In the table given at a separate sheet enumerate in growing order (from 1 to 13) the size and the mass of each object: Milky Way Galaxy, Andromeda Galaxy, Neutron star, Electron, Mercury, The first satellite "Sputnik I", Venus, Pluto, Proton, Red dwarf, Black cat, White (Polar) bear, the Sun. ... Star setting. ... Comet Lovejoy. ... Radio- (operating wavelength is about 21 cm) and optical (operating in the light visible to the naked eye) telescopes have been used to study an astrophysical object. ...
[ Текст ]  Ссылки http://www.issp.ac.ru/iao/apao/2015/booklet/b0304_ap15_t_en_b.pdf -- 244.6 Кб -- 09.12.2015
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18. Object Detection Using Multi-Resolution Analysis
... Next: Unsupervised Catalog Classification Up: Object Detection and Previous: Classification of Objects . ... Multi-resolution allows for image analysis in terms of different scales. ... This approach is used for the detection (and subsequent analysis) of globular cluster systems around elliptical galaxies, and for image characterization and object trawling in large image databases. ... The applicability of this approach to object detection in large image collections has been investigated. ...
[ Сохраненная копия ]  Ссылки http://www.adass.org/adass/proceedings/adass94/murtaghf2.html -- 11.9 Кб -- 03.11.2000
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19. Omega Centauri: globular cluster of 300,000 stars | Astronotes
Astronotes Armagh Planetarium's Stellar Blog! ... Milky Way . Stars . ... This dramatic image depicts Omega Centauri, one of 200 or so globular clusters orbiting our Milky Way galaxy. ... Swarms of tightly packed stars, numbering in the thousands to low millions, globular clusters are cosmic fossils, relics of the early times of our galaxy. Omega Centauri may actually be the core of a smaller galaxy ripped apart and assimilated by our own Milky Way in the distant past. ...
[ Сохраненная копия ]  Ссылки http://www.armaghplanet.com/blog/omega-centauri-300000-stars-at-once.html -- 44.2 Кб -- 09.04.2016
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20. Amateur Telescope Makers of Boston
... Probing the Universe with galaxy clusters: New windows from new technologies . Dr Mark Bautz . ... A key to this progress has been the study of these objects using telescopes operating at millimeter, visible, infrared and X-ray wavelengths. ... His current research interests concern new X-ray imaging detector and observational studies of clusters of galaxies. ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...
[ Сохраненная копия ]  Ссылки http://www.atmob.org/events/clubmeetings.php?id=431 -- 8.7 Кб -- 10.04.2016
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