... 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 . ...

... Open Cl 5.0 III 2 p Open Cl 12.0 II 2 m Non-Existent Nebula bipolar Nebula R Non-Existent Non-Existent Nebula E Mag Alias/Notes H44-4 H19-4 H38-4 H20-4 H20-7 8.4 H26-7 H25-8 H5-7 4.2 8.5 12 NGC 2237 IC 2167 IC 2169 IC 2169 Rosette Nebula SH2-275 LBN 949 4.8 Cluster in Rosette Nebula , NIM 6:31.0 +4:57 CR 99 MEL 47 NIM, 6:32.4 +5:07 Parts of Rosette Nebula IC 2167 NGC 2237 ... Open Cl 8.0 II 2 p n Nebula E+R Pl Neb 3b+4 Non-Existent Open Cl 9.0 III 3 p Open Cl...

... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2003 September 12 . 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. ... So what note is the Perseus Cluster playing? ... About APOD | ... NASA Official: Jay Norris. ...

GALAXIES cenA .tiff 40 Bright Radio Galaxy M31.tiff Nikon Andromeda Galaxy (note HII regions in spiral arms) ngc6744.tiff 40 NGC 6744 a face-on spiral clouds_20d.tiff H'blad The Magellanic Clouds our nearest neighbours Lmc_7.tiff Nikon The Large Magellanic Clouds Lmc_zoom.tiff Nikon Detail of previous image smc_7.tiff Nikon The Small Magellanic Clouds smc-zoom.tiff Nikon Detail of previous image 30dor_40_BVR.tiff 40 The 30 Dor ... B [OIII] Halpha trifid.tiff 40" The Trifid Nebula. ...

... 87.1083Owen+ VIII/29 1400-MHz Survey of 1478 Abell Clusters of Galaxies (Owen+ 1982) ================================================================================ A 1400-MHz Survey of 1478 Abell Clusters of Galaxies Owen F.N., White R.A., Hilldrup K.C., Hanisch R.J. =1982AJ.. ... 0,] Major axis error 70- 71 A2 --- n_MajAxi *[ A, B, C,NR, ] Major axis note 73- 74 I2 arcmin MinAxi *? ... Note on dist-C: Ratio of the distance of the source from the cluster center to the corrected Abell cluster...

... Posts tagged ?cosmology? ... Posted by hlee . ... Continue reading ?my first AAS. ... Tags: Classification , clustering , cosmology , spatial statistics , supervised learning , test , unsupervised learning . Category: Cross-Cultural , Jargon | Comment . ... ArXiv] 2nd week, June 2008? Tags: Bayesian evidence , Binning , broken power law , cosmology , K-S test , LF , lhs , likelihood , PCA , power spectrum , R , SFH , Sun , Tully-Fisher . Category: arXiv , MCMC | ... Category: arXiv | ...

... Armagh Planetarium . ... Universe . ... Posted on October 1, 2010 | ... Before the modern era of technological astronomy, to know anything [ ] . Continue Reading.. ... 2 Comments In, say 1975, there was only one kind of ?stuff? in the Universe, matter made of protons and neutrons. ... Newer Entries . Hello, IтАЩm Colin, welcoming you to Astronotes, the PlanetariumтАЩs official blog. Here you will find the latest news and views from the fascinating worlds of astronomy and space exploration. ...

Photon Scattering: Basic Principle of Photon Scattering . Audio Narration is available . No Scattering: Photon Source and Detector . ... For optical photons, scattering goes as wavelength to the -4 power. In the case of blue photons compared to red photons, this means that blue photons are about 10 times more likely to get scattered than red photons. ... Watch the blue photons scatter away from the detector . ... Interstellar dust make stars appear redder than they really are . ...

HUBBLE SPACE TELESCOPE DAILY REPORT #2355 PERIOD COVERED: 0000Z (UTC) 04/20/99 - 0000Z (UTC) 04/21/99 Daily Status Report as of 111/0000Z 1.0 ACTIVITIES SCHEDULED AND ACCOMPLISHED: 1.1 Completed STIS/CCD/MA1/MA2 7301 (Studies of the Characteristics of the Interstellar Medium in the Carina Nebula) The Space Telescope Imaging Spectrograph (CCD, MA1 and MA2) was used to make observations of the star HD93205 which is located in the Carina Nebula. ... A wave length calibration observation was also taken. ...

ESO PR Photo 18b/00 . ... Caption : Images of two of the novae in NGC 1316 that were discovered during the observational programme described in this Press Release. ... In particular, no less than four novae were detected in a single giant galaxy within only 11 days . ... Moreover, the discovery of four novae in one galaxy in the Fornax cluster was possible with only 3 hours of observing time per filter. ... ESO Press Information is available on the WWW at . http://www.eso.org/outreach/press-rel/ . ...

The Astronomy Shop . ... Shop | ... Cards | ... Sold in sets of 8 cards (two of each image) with envelopes in a Keepsake Wallet. ... Starbirth Clouds in M-16, Starbirth in the Trifid Nebula, Live Cycle of Stars in Galactic Nebula NGC 3603, and Inside the Lagoon Nebula. ... Majestic Spiral Galaxy NGC 4414, A Grazing Encounter of Two Spiral Galaxies, Infant Stars Ring Core of Galaxy NGC 4314, and Galactic Silhouettes. ... We have bulk pricing available. ... www.astronomy.net . About Astronomy Net | ...

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. ...

As it was already mentioned, the idea behind File Juggler is rather simple: using CGI scripts as processing tools and WWW browser as user interface, display the structure and content of typical anonymous FTP server in a convenient, easily navigated form. ... My P5-133 spends about 0.025 ms on one file when doing linear search with simple criterion (690 ms for 27,000 files, search for substring among file names/descriptions with 70 hits). ... Let's now look whether we can handle 1,000,000 files. ...

... 403] Running number 2 --- Name Object name 3 deg Ra Right Ascension J2000 (degrees) 4 deg Dec Declination J2000 (degrees) 5 --- Mark Spatial confusion (Note 1) 6 mCrab Flux 17-60 keV flux (Note 2) 7 mCrab Error 1 sigma flux error 8 --- Range Revolution range (Note 3) 9 --- Type Source type (Note 4) 10 --- ExType Expected source type 11 --- Refs Reference number in table 2 (Note 5) 12 --- Notes additional notes and/or alternative source names. ... Note (2): Time-averaged source flux in mCrab units. ...

ABSOLUTE PROPER MOTIONS OF 331 OPEN CLUSTERS . ... The proper motions of stars in the fields of 331 open clusters were taken from Four-Million Star Catalog (4M-catalog) of positions and proper motions (Volchkov et al. ... The absolute proper motions for 21 young open clusters have been derived by comparison of precise relative proper motions of individual stars and their corresponding absolute proper motions. ... Sign of proper motions in RA . ... 0.0001 arcsec/yr . ... rms error in RA proper motion . ...

dfos = Data Flow Operations System, the common tool set for DFO . ... dfos tools . ... clMonitor.html, exported to http://qcweb.hq.eso.org/CLUSTER/monitor . ... The clMonitor gives an overview of the currently condor activity (nodes executing condor jobs) and the pending queue. ... idle | ... busy' indicates that condor currently executes a job on that node; 'idle' means no current condor job; 'reserved/not available' means the node is not configured for condor jobs, or is currently not available. ...

... Лекция 2 (40 K) | Лекция 3 (37K) | Лекция 4 (39K) | Лекция 5 (43K) | Лекция 6 (47K) | Лекция 7 (32K) | Лекция 8 (54K) | Лекция 9 (41K) | Лекция 10 (45K) | Лекция 11 (38K) | Лекция 12 (44K) | ... Postscript-файл (36 K) | ... Алгоритмическая сложность и класс P . ... Вероятностное вычисление и класс BPP . ... Идея квантового вычисления. ... Определение и простейшие свойства квантового вычисления. ... Вычисление, устойчивое к ошибкам (классическое и квантовое). ...

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Comment lines follow the same rules as FORTRAN. Note lines are identified by an N in column 1, the text area being columns 2 to 72. In the line printer listing the text of a Note line is printed in columns 75 to 124 and on the same line as the statement following the Note line. If the next line is also a Note, the text is printed in the same columns of an otherwise blank line. ... Eject lines are identified by an E in column 1, the text area being columns 7 to 72. ...

Canadian Paper Money] . This page will attempt to answer questions pertaining to Canadian Paper Money.љ ... 4) What does the "*" beside the serial number represent? ... Following the creation Canada's central bank, the Bank of Canada introduced its first paper money issue.љ ... Starting with the 1954 Bank of Canada issue, defective notes produced during the printing process were replaced by these 'replacement notes' which carried the asterisk before the serial number.љ ...