... 2008 September 17 . MACSJ0025: Two Giant Galaxy Clusters Collide . ... Explanation: What happens when two of the largest objects in the universe collide? ... In the case of MACSJ0025.4-1222 , two huge clusters of galaxies have been found slowly colliding over hundreds of millions of years, and the result has been imaged by both the Hubble Space Telescope in visible light and the Chandra Space Telescope in X-ray light . ... Note: Free Astronomy Course Taught Online by an APOD Editor . ...

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• APOD: 2009 September 21 - Abell 370: Galaxy Cluster Gravitational Lens
• APOD: 2003 September 12 - A Note on the Perseus Cluster
• APOD: 2006 September 10 - Star Clusters Young and Old

... 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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• Elliptical Galaxy M87
• Streams of Stars in the Virgo Cluster of Galaxies
• A Note on the Perseus Cluster

... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. September 22, 1998 . M61: Virgo Spiral Galaxy . ... Explanation: M61 is a barred spiral galaxy located in the nearby Virgo Cluster of Galaxies . Visible in M61 are a host of features common to spiral galaxies : bright spiral arms , a central bar , dust lanes , and bright knots of stars. ... About APOD > . ...

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• APOD: December 18, 1999 - Irregular Galaxy Sextans A
• APOD: December 13, 1997 - The Coma Cluster of Galaxies
• APOD: September 17, 1999 - M3: Half A Million Stars

Alexey Rastorguev's links to DataBases and Catalogs: . ... Open Clusters and Galactic Structure База данных и каталог рассеянных скоплений Галактики . ... USNO: Astronomical Applications Каталоги и базы данных - проекты Морской Обсерватории США . ... HST Science Data Archive Архив данных HST . CFHT Data Archive Архив данных CFHT . ... USNO Recommended Star Catalogs (Zacharias N. et al.) ... USNO Star Catalogs Каталоги USNO . ... USNO-B1.0 Catalog Астрометрический каталог USNO-B1.0 . ...

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• Maidanak Lab page
• Yuri Nicolaevich Efremov - My Home Page
• Scientific activity

Электронная библиотека Попечительского совета . ... Kaastra J. - Clusters of Galaxies: Beyond the Thermal View . ... Название: Clusters of Galaxies: Beyond the Thermal View . Автор: Kaastra J. Язык: . ... Электронная библиотека попечительского совета мехмата МГУ , 2004-2016 . ...

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• Schuecker P. (Ed), Boehringer H. - Heating Versus Cooling in Galaxies and
• Stebbins J. - Absorption and Space Reddening in the Galaxy as Shown by the
• Alloin D.M., Gieren W. - Stellar Candles for the Extragalactic Distance Scale

Supernova 1999cl in M88 . This page is devoted to information on Supernova 1999cl in M88 Basic information on this SN, including the last reported brightness, on this Supernova can be found on the main supernova page. Information on the original web pages for many of these images can be found on the Supernova links web page. ... M1 Supernova Search has a 1999cl page . ... Pedro Re' Animated gif image . ... DAX Observatory . ... vsnet-obs 21040 ] (fwd) Observation of Supernova 1999cl in M88 . ...

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• Supernova 2002bu in NGC 4242
• THE BRIGHT SUPERNOVA 1991T IN NGC 4527; AN AMATEURS PRESPECTIVE
• Supernova 1999gi in NGC 3184

... 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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• http://sn.sai.msu.ru/~sil/preprints/mykukar.pdf

... Difference between workstation clusters and MPPs . Up: Special features of different systems Next: Checking your machines list Previous: Special features of different systems . ... In contrast, workstation clusters require that each process in a parallel job be started individually, though programs to help start these processes exist (see Using the secure server below). ... Using heterogeneous clusters is discussed below.) ... Центры . ...

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• Special features of different systems | PARALLEL.RU -

D.Moss, D.Sokoloff, R.Beck, Ram pressure effects in the galactic plane and galactic dynamos in the no-z approximation, Astron. Astrophys., 544, A5, 4 pages, 2012 . ... To isolate the leading physical effects, we exploit a simple dynamo model that can describe relevant effects. ... Any determination of galactic motion through the cluster medium from observational data needs to take the effects of dynamo action into account. ...

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• Moss D., Sokoloff D., Beck R., Ram pressure effects in the galactic plane and
• Beck R., Frick P., Stepanov R., Sokoloff D. Recognizing magnetic structures by
• Beck R., Frick P., Stepanov, R., Sokoloff D. Recognizing magnetic structures by

... Minimal size of Clud clusters (residues) . ... An alignment of a set of structures is a set of positions , to each position some atoms from different structures correspond. ... Hydrophobic cluster of a single protein structure is a separated pool of nonpolar atoms. Usually there is the biggest cluster in the protein called hydrophobic core. ... ConClus program is able to detect of conservative hydrophobic clusters for a family of related protein domains or just for a set of aligned proteins. ...

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Teaching courses . for student of the Department of Astrophysics and Stellar Astronomy . ... Geophysics and physics of the planets (Kurt, Panteleev) . ... Close Binary Stars . ... Solar Physics . ... This is introductory course for students of the third year of education which are familiar with elementary astronomy and general physics. ... The one-year course includes theory of radiation transfer, theory of internal stellar structure with account of binary systems with compact comapnions. ...

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• Springer LINK:A&A-EE: Table of Contents Volume 320 Number 3 (1997)
• Springer LINK:A&A-EE: Table of Contents Volume 317 Number 2 (1997)
• Springer LINK:A&A-EE: Table of Contents Volume 319 Number 3 (1997)

J/AstL/vol/page SAI Open Clusters Catalog (Glushkova+, 2009) ================================================================================ Automated search for star clusters in large multiband surveys. ... Color excesses E(B-V), distance moduli and ages were determined for 141 new and 27 known, but poorly studied clusters. We present the Sternberg Astronomical Institute Open Clusters Catalog (SAI OCL Catalog) of coordinates, diameters and main physical parameters of these clusters. ...

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• SAI Open Star Clusters (SAI OCL) Catalog
• SAI OCL Catalog Virtual Observatory
• SAI OCL Catalog Description

... intas:cern-intas03:task5 ]] . THEP . ... T5.MS Windows.. ... The use of the Windows platform for LCG tasks . ... Porting some of the LCG software on the MS Windows .NET platform . ... Study of the VMware as a software for emulation of multi-computer clusters for the LCG purposes. ... Building of Linux computations clusters on a top of Windows computers (under VMware) would be a great benefit for the Russian Tier2 by obtaining an additional power for distributed computations in a batch mode. ...

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• тЬО intas:cern-intas03:task5 [THEP]

... 28 March 2014: release of Volume 13: new photos and drawings , new published papers . 12 September 2012: release of Volume 12: new photos and drawings , new published paper , new list of invertebrate animals . ... 28 September 2010: release of Volume 10: updated bibliography , new photos and two new articles appeared: on Drosera and on Nymphaea . ... 29 September 2006: release of Volume 6: new photos , updated map , updated bibliography and updated list of the invertebrates . ...

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... This form lets you to produce a list of hydrophobic clusters in a PDB file specified by user. Enter a 4-letter PDB code, e.g.: 1apl : . Search clusters: . ... between chains . Contacts between chains . Set #1 . ... Enter your e-mail here (optional): . ... List of atoms Strict Wide . Chains filter (1-20:A) . Show clusters not smaller than atoms . User data file in PDB format . ...

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• About COGs
• HF clusters: algorithm

Finding a collision for the 75-round SHA-1 hash function using clusters of GPUs" . ... With the aid of our application running on a 512-GPU cluster, we were able to find a collision for a version of SHA-1 reduced to 75 rounds, which is currently (February 2012) the world's best result in terms of number of rounds for SHA-1. Keywords: cryptoanalysis, cryptographic hash functions, building collisions, SHA-1, GPU, clusters, high-performance computing . PostScript (in Russian) (832KB) . ...

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• "Three-dimensional LBE simulations on hybrid GPU-clusters for the decay of a
• "An approach to cluster system task flow monitoring, analysis, and
• "Evaluation of clusters with AMD Barcelona and Shanghai CPUs and Infiniband DDR

... Sternberg Astronomical Institute , Moscow University . ... Present edition unites two parts of Catalogue of interacting galaxies by B.A.Vorontsov-Velyaminov: the first part (Part 1) containing 355 systems was published in 1959 [1] and the second one (Part 2) with 497 objects - in 1976 [2].Thus two published parts of Catalogue include 852 interacting systems. ... All new of them (1162 by number) were taken from the comments to the galaxies in Morphological catalogue by Vorontsov-Velyaminov et al.[ ...

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• Absolute proper motions of open clusters
• Отдел внегалактической астрономии: ГАИШ Extra-galactic astronomy Group

... Supercomputing Technologies in Science, Education and Industry Almanac Series . ... Keldysh Institute of Applied Mathematics of RAS . DRIVER: 3D numerical modelling of high energy density plasma physics . ... AREA: Plasma Physics . ... IMPACT: The expected results of numerical experiments will help to explain the observed statistical characteristics of molecular hydrogen clouds in external galaxies. ... Research Computing Center (RCC) of Lomonosov Moscow State University . ...

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• APPLICATIONS: Astronomy | Moscow University Supercomputing Center
• CLEO: USER & ADMIN-FRIENDLY CLUSTER BATCH SYSTEM | Moscow University
• APPLICATIONS: Theoretical Physics | Moscow University Supercomputing Center

... This document describes how to setup an ethernet bridge. ... Both of these groups of machines tend to be quite chatty amongst themselves, and the traffic they produce on the network causes collisions for the other machines who are trying to speak to one another. ... Reboot, so you are running the new kernel with bridging in it, and also to make sure that an IP addresses are not bound to the network interfaces. ... Question . ... Can a bridge interface to both 10Mb and 100Mb ethernet segments? ...

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• Running a High-Performance Web Server for BSD
• Linux on Sony VAIO mini-HOWTO

... wLake 1.7 . wLake is a tool which allows to identify clusters of a structural water molecules in given superimposed 3D structures. Put your coordinates in PDB format into the text area. Select a distance threshold. Two water molecules from different structures will be concidered as located in the same space point if the distance between centers of oxygen atoms is less than this threshold. ... EACH STRUCTURE INCLUDING ITS WATER MOLECULES MUST BE PRESENTED AS SEPARATE MODEL: EXAMPLE. ...

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• Cluster 15
• Cluster 128
• Cluster 2