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1. Отдел Изучения Галактики и переменных звезд
. ћ . Наши юбиляры . љљљљљљљ љљљљљљљљљ . ћ Сотрудники отдела . ћ Наша научная работа . ћ Семинар по Звездной астрономии . ћ Конференции . ћ Общий Каталог Переменных Звезд . ћ Каталог рассеянных скоплений . ћ Московская школа звездной астрономии . ћ Юбилеи сотрудников . ћ Избранные публикации . ћ Педагогическая и популяризаторская деятельность . ћ Наши интернет-ресурсы и другие полезные ресурсы . ћ Ссылки на каталоги и базы данных . ћ Фотогалерея . Присылайте Ваши вопросы и комментарии Ольге Дурлевич
[ Сохраненная копия ]  Ссылки http://www.sai.msu.su/groups/cluster/gal/ -- 22.8 Кб -- 10.04.2016
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2. Astronomy HyperText Book: Stellar Clusters
Stellar Clusters are very useful laboratories for empirically studying stellar evolution. ... All cluster stars are at the same distance . All cluster stars have the same physical age . ... CM diagram Young Cluster In this case we see the Main Sequence fully represented. The blue dots represent massive stars with short main sequence lifetimes. ... Thus, identifying the most massive star which is still on the main sequence is an effective means of determining the age of a stellar cluster. ...
[ Сохраненная копия ]  Ссылки http://zebu.uoregon.edu/textbook/sc.html -- 3.5 Кб -- 23.01.1998
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3. Квартет спутников Cluster начал расходиться
... Сегодня: 10 апреля 2016 г. Квартет спутников Cluster, принадлежащих Европейскому космическому агентству (ESA), был попарно выведен в космос двумя российскими ракетами "Союз", стартовавшими с Байконура в июле и августе 2000 года. Перед запуском первой пары спутники получили "танцевальные" названия - Salsa, Samba, Tango и Rumba. ... Причем больше всего включений двигателей будет сделано на спутниках Salsa и Samba - восемь, семь раз будет включаться двигатель на спутнике Rumba и пять раз - на Tango. ...
[ Сохраненная копия ]  Ссылки http://news.cosmoport.com/2001/05/24/5.htm -- 22.7 Кб -- 10.04.2016
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4. The AstroStat Slog Blog Archive my first AAS. IV. clustering
... Archives . ... my first AAS. ... I was questioned by two attendees, acquainted before the AAS, if I can suggest them clustering methods relevant to their projects. ... classification vs. clustering or supervised learning vs. unsupervised learning : the former terms from the pairs indicate the fact that the scientist already knows types of objects in his hands. ... Tags: Classification , clustering , cosmology , spatial statistics , supervised learning , test , unsupervised learning . ...
[ Сохраненная копия ]  Ссылки http://hea-www.harvard.edu/AstroStat/slog/groundtruth.info/AstroStat/slog/2008/my-first-aas-iv-clustering/index.html -- 24.2 Кб -- 01.03.2014
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5. SAI Open Star Clusters (SAI OCL) Catalog
... Structure of Data . ... Catalog . ... In SAI OCL Catalog, we introduce our work on investigation of the Milky Way system of open star clusters. The main goal of our study is a search for new clusters using huge surveys. 168 new clusters have been already discovered by us using J,H,Ks data from 2MASS point source catalog. ... For 141 new clusters, we found their physical parameters using J,H,Ks data from 2MASS catalog and, for a number of clusters, our UBVRI CCD observational magnitudes. ...
[ Сохраненная копия ]  Ссылки http://ocl.sai.msu.ru/ -- 5.0 Кб -- 09.04.2016
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6. A Note on the Perseus Cluster
... A Note on the Perseus Cluster . ... CXC , NASA Explanation: A truly enormous collection of thousands of galaxies, the Perseus Cluster - like other large galaxy clusters - is filled with hot, x-ray emitting gas. The x-ray hot gas (not the individual galaxies ) appears in the left panel above, a false color image from the Chandra Observatory . ... Publications with keywords: galaxy cluster - X-ray . Publications with words: galaxy cluster - X-ray . ... Dwarf Galaxies in the Coma Cluster . ...
[ Сохраненная копия ]  Ссылки http://www.astronet.ru/db/xware/msg/1192914 -- 14.3 Кб -- 12.09.2003
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7. High Redshift Cluster Projects
This site provides on-line access to publications, figures, and data tables related to an extensive multi-wavelength observational program to study distant galaxy clusters. ... Lori Lubin, Bev Oke, and Marc Postman have been studying a sample of 9 distant clusters (some taken from the PDCS) using the Keck 10m telescope, the HST, and the KPNO 4m (for IR imaging). ... A Study of Nine High-Redshift Clusters of Galaxies: I. The Survey, . ... A Study of Nine High-Redshift Clusters of Galaxies: II. ...
[ Сохраненная копия ]  Ссылки http://www.stsci.edu/~postman/hizclus/ftp.html -- 10.5 Кб -- 12.07.2002
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8. Cluster Analysis
... The routines implemented are CLUSTER which has 8 options for hierarchical clustering and PARTITION which carries out non--hierarchical clustering. ... The former is non--hierarchical clustering or partitioning. The latter is hierarchical clustering. Brief consideration will show that a sequence of n-1 agglomerations are needed to successively merge the two closest objects and/or clusters at each stage, so that we have a set of n (singleton) clusters, n-1 clusters, ..., 2 clusters, 1 cluster. ...
[ Сохраненная копия ]  Ссылки http://www.sao.ru/precise/Midas_doc/doc/95NOV/vol2/node214.html -- 4.3 Кб -- 23.02.1996
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9. NGC 2244 Rosette Cluster - рассеянное скопление Caldwell 50 (C50) у 12
... NGC 2244 Rosette Cluster - рассеянное скопление Caldwell 50 (C50) у 12 Monocerotis (12 Mon) в созвездии Единорог (Monoceros) .. ... NGC 2244 Rosette Cluster - рассеянное скопление Caldwell 50 (C50) у 12 Monocerotis (12 Mon / open cluster near 12 Monocerotis) в созвездии Единорог (Monoceros (http://www.starlab.ru/showpost.php?p=149205&postcount=1)) .. ... NGC 2244 Rosette Cluster .: . ... Искомый кластер NGC 2244 Rosette Cluster (Collinder 99) будет находиться в 2.5? к югу (S) от 13 Monocerotis .. ...
[ Сохраненная копия ]  Ссылки http://www.starlab.ru/archive/index.php/t-18815.html -- 10.5 Кб -- 10.04.2016
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10. M55 globular cluster seen by ESO | Astronotes
Astronotes Armagh Planetarium's Stellar Blog! ... Comets and Asteroids . ... Image credit:ESO/J.Emerson/VISTA. ... However others are less pessimistic and it has even been claimed that the mysterious ?Wow! signal? received in 1977 originated from the direction M55.б  Sadly, this still unexplained pulse of radio energy originated from a location rather to the northwest of M55 so I doubt if the source was this cluster (if indeed the signal was genuinely of extraterrestrial origin). ... Mysterious Wow! ...
[ Сохраненная копия ]  Ссылки http://www.armaghplanet.com/blog/m55-a-glorious-globular.html -- 47.4 Кб -- 09.04.2016
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11. MAO NASU :: Topic: The DRAGON globular cluster simulations: a million stars,
... MAO main . ... The DRAGON globular cluster simulations: a million stars, black holes and gravitational waves . ... simulations of globular clusters with a million stars on the high-performance . ... of stars in globular clusters at unprecedented detail but also shed light into . the dark world of black holes. ... clusters of single and binary black holes. ... of a globular cluster. www.mpa-garching.mpg.de/328833/hl201603 . ... MAO/NASU, 27 Akademika Zabolotnoho St. 03680 Kyiv, Ukraine . ...
[ Сохраненная копия ]  Ссылки http://www.mao.kiev.ua/index.php/ua/forum/info/483-the-dragon-globular-cluster-simulations-a-million-stars-black-holes-and-gravitational-waves -- 18.3 Кб -- 10.04.2016
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12. ESO - Thesis Topic: Next generation Fornax Cluster surveys
... Science . ... Science Users Information > Science Activities > PhD Thesis Topics offered by ESO Faculty Members > Thesis Topic: Next generation Fornax Cluster surveys . ... Data Handling and Products . ... Science Data Products Forum . ... An international team, with Dr. Hilker as Co-PI, has started to gather wide-field optical and infrared imaging data as well as spectroscopic data on the whole extent of the Fornax cluster, mainly based on observations with ESO telescopes (VLT, VST, VISTA). ...
[ Сохраненная копия ]  Ссылки http://www.eso.org/sci/activities/thesis-topics/abstr-hilker04.html -- 27.3 Кб -- 10.04.2016
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13. Model of clusters
... The most powerful and widely used methods to calculate the scattering matrix of a fractal cluster are based on the coupled dipoles methods (e.g. the Discrete Dipole Approximation, DDA) and the theory of light scattering by a cluster of spherical particles [2-4]. ... At present the procedure of calculation of the scattering matrix is well developed for both an oriented cluster of spherical particles and for chaotically oriented clusters of such particles [4]. ...
[ Сохраненная копия ]  Ссылки http://www.astro.spbu.ru/DOP/A-PERC/PAPER2/node2.html -- 5.8 Кб -- 19.11.2010
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14. 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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15. GCVS Research Group: Homepage.
. of Lomonosov Moscow State University, . Russia . GCVS Research Group . Catalogues of Variable Stars . Future Prospects of Variable-Star Catalogues . B.V. Kukarkin Centenary Conference: Variable Stars, the Galactic Halo and Galaxy formation (VS-Halo) . What's new . Recent publications . Digitization of Moscow Plate Archive . The "Peremennye Zvezdy" (Variable Stars) journal . Send questions and comments to Olga Durlevich .
[ Сохраненная копия ]  Ссылки http://www.sai.msu.su/gcvs/ -- 4.6 Кб -- 09.04.2016
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16. APOD: December 13, 1997 - The Coma Cluster of Galaxies
... December 13, 1997 . The Coma Cluster of Galaxies . ... The Coma Cluster of Galaxies pictured is one of the densest clusters known - it contains thousands of galaxies . Each of these galaxies house billions of stars - just as our own Milky Way Galaxy does. ... In fact, the Coma Cluster is so big it takes light millions of years just to go from one side to the other! Most galaxies in Coma and other clusters are ellipticals , while most galaxies outside of clusters are spirals . ...
[ Сохраненная копия ]  Ссылки http://www.sai.msu.su/apod/ap971213.html -- 4.4 Кб -- 02.10.2012
[ Сохраненная копия ]  Ссылки http://www.arcetri.astro.it/~palla/ANDREAIMMAGINI/Galassie/coma_kpno_big.html -- 4.3 Кб -- 04.03.2001
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17. Catalogue of 109 new Galactic open clusters, for Cartes du Ciel - Запорожский
... Запорожский клуб АЛЬТАИР > . Catalogue of 109 new Galactic open clusters, for Cartes du Ciel . ... Cartes du Ciel - Sky Charts . ... Этот каталог является версией части каталога "J/A+A/440/403 109 new Galactic open clusters (Kharchenko+, 2005) ", а именно файла stars.dat, содержащего информацию о 26778 звездах до 14.627m , находящихся в 130 рассеяных скоплениях района Млечного Пути (Galactic Open Cluster). ... We present a list of 130 Galactic Open Clusters, found in the All-Sky . ...
[ Сохраненная копия ]  Ссылки http://www.astroclub.kiev.ua/forum/index.php?topic=1361.0 -- 65.4 Кб -- 09.04.2016
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18. Pulsar Highlights - A Dozen new MSPs in Globular Clusters
A Canadian and American team of Astronomers have used the 305-m wide Arecibo radio dish, the world's largest and most sensitive radio telescope, to uncover a dozen new super-fast-spinning pulsars. The team directed their search for these rare and exotic stars by pointing the Arecibo radio telescope towards massive star clusters, called Globular Clusters, orbiting our Milky Way galaxy. ... One of the most exotic residents in the Globular cluster system are the millisecond pulsars. ...
[ Сохраненная копия ]  Ссылки http://www.naic.edu/~pulsar/highlights/highlights_AOGC.shtml -- 7.6 Кб -- 03.02.2013
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19. Globular Clusters: Self-Enrichment
... We address a question if globular clusters (GC) in a protogalaxy could for some time evolve chemically as isolated systems, enriching themselves with heavy elements produced in first supernova events that follow initial star formation. We determine both the critical mass of a protoglobular cluster that is needed to retain the ejecta of the very first supernova, and the critical energy (i.e., number of supernovae) that is needed to expel the residual gas from a cluster of a given mass. ...
[ Сохраненная копия ]  Ссылки http://www.inasan.rssi.ru/~dwiebe/abstracts/gcl.html -- 3.5 Кб -- 27.09.2012
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20. GSAOI Open Cluster Science Page
... GSAOI Home . ... Science . ... The goal of this project is to detect the termination of the white dwarf cooling sequence in nearby open star clusters, and hence derive cluster ages that are independent of the normal main sequence turnoff method. ... The potential for accurate proper motion measurements, i.e., measurements of transverse motion across the sky, with GSAOI offers a means of overcoming this difficulty. ...
[ Сохраненная копия ]  Ссылки http://www.mso.anu.edu.au/gsaoi/science/open.shtml -- 5.6 Кб -- 01.10.2012
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