... Classifying or clustering (or semi supervised learning) spectra is a very challenging problem from collecting statistical-analysis-ready data to reducing the dimensionality without sacrificing complex information in each spectrum. ... Continue reading ?[ ... Category: Algorithms , arXiv , Cross-Cultural , Data Processing , Jargon , Methods , Spectral , Stat | ... Category: Algorithms , arXiv , Astro , Bad AstroStat , Cross-Cultural , Data Processing , Frequentist , Jargon , Methods , Stat | ... ADS ...

... Dnepr launch record 17 August 2011. Cluster Launch of Dnepr LV 22 August 2013 KOMPSAT-5 Launch 21 November 2013. Dnepr Cluster Mission 2013 19 June 2014. Dnepr Cluster Mission 2014 6 November 2014. ... Mission profile SHM configuration Reliability Dnepr LV Performance Launch Sites . Baikonur Cosmodrome Yasny launch base Downloads . ... Preparations for the Dnepr cluster launch mission that will carry 6 spacecraft on-board are currently under way at Baikonur Cosmodrome. ... Dnepr LV . ...

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Radio data are displayed in the following format: . After the title with name of cluster under examination and with line about kind of data under one, e.g. Radio data [ optical data ] [ radio source identifications ] [ radio spectra (1.0 or 1.1) ] . ... The first line contains the number of radio sources associated with the cluster (these are just those sources with entries in sections 'Radio galaxy', 'Radio source' and 'Radio spectrum' below). ... Radio sources in cluster: 2 # . ...

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 . ...

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. ...

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. ...

... These Frontier Fields will combine the power of HST with the natural gravitational telescopes of high-magnification clusters of galaxies. ... We are soliciting gravitational lensing maps for the last four Hubble Frontier Fields clusters (MACSJ0717.5+3745, MACSJ1149.5+2223, AbellS1063, and Abell 370) based upon the exceptionally deep HST FF imaging and other new ancillary data. ... For the full set of proposal instructions and requirements, see the FY16 Frontier Fields Lensing Map Call for Proposals....

P1636 2002-Feb-01 18:06:19 Technical Page Proposal Type: Regular General Category: Pulsars Sub-Category: Continuum Observation Category: Galactic Total Time Requested: 54 Hours Proposal Title: A Complete 1.4-GHz Search for Pulsars in Globular Clusters Using WAPP ABSTRACT: In June 2001 we obtained 1.4-GHz Arecibo pulsar search data toward 10 globular clusters using the WAPP instrument. ... Maybe Part of the observing run. ... This proposal requires coordination with GPS L3 at 1381 MHz. ...

... Submitted by Al Takeda on 11/18/2011 09:00:32 . Comet Garradd and The Coathanger . ... The members of the Coathanger group range from magnitude 5.1 to 7.2 and is best viewed with a wide field telescope or binoculars since it occupies an area of 60 minutes of arc (1-degree). 2 images x 360-second subframes, Total= 12 minutes (Taken through thin clouds). ... ATMoB Clubhouse, Westford, MA, 2 September 2011. ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...

... Science Activities > PhD Thesis Topics offered by ESO Faculty Members > Thesis Topic: Dynamical models of multiple globular cluster populations around massive galaxies . ... Different techniques have been devised to separate multiple GC populations and perform dynamical analyses. ... Within this project, the PhD candidate will examine mock models of multiple GC populations around massive galaxies, devising `blinded' functional tests and comparing the possible sources of bias in different techniques....