. F IGURE . 8. Relations between GC parameters and the horizontal-branch color index. The open circles correspond to the old halo, filled circles to the young halo (large filled circles correspond to clusters with (B-R)/(B+V+R)>0.32 ), and filled triangles to the corona. discussion in the text | privious figure | next figure .

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• Doclad, figures
• Vladimir Marsakov Abstracts
• Population of Galactic globular clusters, tabl

... Scaling relations of galaxies: . ... 2007) . ... This research is now being extended to other clusters such as Hydra and Centaurus, by Ingo Misgeld . ... 2007 , Misgeld et al. 2008 and 2009 ) support a picture where the scaling relations of dwarf galaxies are shaped more by internal than external agents, given that colour-magnitude and magnitude-surface brightness relations agree quite well between the low-density Local Group environment and dense clusters like Fornax and Hydra. Misgeld et al. ...

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• The Very Large Telescope Project
• ESO - Contact Information
• The Sampo Project - Related

... Ultraluminous X-ray sources (ULXs) are located in external galaxies, their X-ray luminosities (10 39 - 10 41 erg/s) are thousand times greater than those of brightest black holes in the Galaxy. ULXs may be supercritical accretion disks around black holes of stellar masses (~10 Solar masses) like that in SS433, or they may be a hypothetical intermediate-mass black holes (hundreds - thousands Solar masses) with standard accretion disks. ... 2) The ULX progenitors were ejected from the star clusters. ...

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• important_en

. XMM-Newton Science Analysis System . imrebin (tools-1.61.1) [xmmsas_20050815_1803-6.5.0] . Meta Index / Home Page / Description . Three options are available: . newvaluestyle =`sum': the values of the corresponding input pixels are simply added. newvaluestyle =`average': the values of the corresponding input pixels are averaged. newvaluestyle =`rms': the output value is calculated as the root mean square of the cooresponding input pixels. XMM-Newton SOC/SSC -- 2005-08-16

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• Housekeeping related keywords

Next: Cosmological Molecular Clouds Up: HST and the Previous: Cepheids in NGC . ... Recent calibrations of stellar surface brightness derived by modern observational interferometry show that the Cepheid PLC relations turn out to be much less affected by abundance effects than PL ones. Extragalactic Cepheid distances revisited by a calibrated PLC (V, V-Ic) relation indicate some significant systematic shifts affecting current PL determinations achieved by ground-based and HST photometry. ...

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• Carla Cacciari
• High Redshift Cluster Projects
• The State of the Gas and the Relation between Gas and Star Formation at Low

... 2.3 Establishing the Extragalactic Distance Scale . ... 2.3.2 The Second Rung: Distances to stellar clusters . ... 2.3.4 Distances to Local Group Galaxies . ... The Luminosity Function of Planetary Nebulae . ... 3.2.2 Clusters of Galaxies . ... 4.2 Evidence for Dark Matter as a Function of Scale Size . ... 4.3 Other Dark Matter Indicators for Galaxies . ... What is the nature of the large-scale distribution of matter in the universe as traced by the three-dimensional galaxy distribution? ...

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• The Tully Fisher Relation
• Astronomy Plus CCD Images of Galaxies
• Astronomy HyperText Book: Stellar Clusters

The Cepheid P-L relation metallicity dependence, Hubble's Constant and Type Ia Supernovae. ... Univ. of Durham, U.K. Using both new UBVK data on the Galactic Open Clusters which contain Cepheids and a new analysis of the Distance Scale HST Key Project Cepheid data in external galaxies we argue that the Cepheid P-L relation has a strong metallicity dependence in both its zeropoint and its dispersion. ...

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• http://www.mrao.cam.ac.uk/~anthony/latex/Moore.ps
• http://www.mrao.cam.ac.uk/~anthony/latex/Fujita.ps
• http://www.mrao.cam.ac.uk/galevol/Mei_Cambridge13.pdf

... Posts tagged ?relations? ... From arxiv/astro-ph:0707.1891v1 . ... Comment . ... vlk on [MADS] Parallel Coordinates . upvc windows on [MADS] Parallel Coordinates . ... Alfred Inselberg on [MADS] Parallel Coordinates . ... Algorithms arXiv Astro Bad AstroStat Bayesian CHASC Cross-Cultural Data Processing Fitting Frequentist Galaxies gamma-ray High-Energy Imaging Jargon Job Languages MC MCMC Meta Methods Misc News Nuggets Objects Optical Physics Quotes Spectral Stars Stat Timing Uncertainty X-ray . ...

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• The AstroStat Slog Globular Clusters
• The AstroStat Slog Blog Archive [ArXiv] 1st week, Oct. 2007
• Relations

... About ATMoB . ... The Observing Committee is starting an Observing Awards Program to promote observing among the membership of the Amateur Telescope Makers of Boston. ... Participant must be a current member of the Amateur Telescope Makers of Boston . ... To qualify for your Observing Award Certificate, turn in your worksheet and drawings to an ATMoB Observing Committee member or observing@atmob.org . ... This Excel sheet has useful macros. ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...

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Rastorguev А.S. "Astronomical Distances" (Lecture course for postgraduates, 2009-2016) . Part 1. ... Trigonometric parallaxes of stars. Moving clusters distances. ... Photometric distances: general approach. Normal stars as "standard candles". ... Main Sequence fitting or distance scale of star clusters. ... Moving photospheres technique. Cepheid distance scale and P-L relations. RR Lyrae distance scale. ... Globular clusters luminosity function. ...

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• Links to Sites Related to Solar Physics
• Yuri Nicolaevich Efremov - My Home Page

Next: Estimating the angle Up: Wavelength Calibration Previous: General Description . The wavelength calibration involves a physical equation, the echelle relation and regression analysis to achieve estimates of the dispersion relation. Provided that the echelle dispersion is performed with a grating, any echelle spectrum can be calibrated usually with four lines used as pre-identifications and a catalog of laboratory wavelengths associated to the calibration lamp. ... Echelle Relation) . ...

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• Refining the Dispersion Relation
• Related Table Commands
• Documentation: LEDA: parameter: mod0

... Bad Astronomy . ... Bitesize Astronomy . ... The next step up are true clusters, called open clusters . Open clusters (sometimes misleadingly called "galactic clusters") are groups of stars ranging in size from a few dozen stars up to tens of thousands. ... The youngest is about 1 or 2 million years old, while the oldest is about 6 or 7 billion years, making it just older than our own solar system. ... So by looking at the stars in the cluster we can tell pretty well how old they are. ...

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• Phil Plait's Bad Astronomy: Misconceptions

Author's view on unstructured data in PostgreSQL , PGbr 2015 ,Porto Alegre, Brazil, Nov 18-20, 2015 . Full-Text Search in PostgreSQL by authors , PGbr 2015 ,Porto Alegre, Brazil, Nov 18-20, 2015 . ... JsQuery-the jsonb query language with GIN indexing support , PostgreSQL Conference Europe 2014 , Madrid, Oct 25, 2014. ... GIN - Stronger than ever( Slides ),PGCon-2014, May 22, 2014, Ottawa,Canada. ... Next generation of GIN , PostgreSQL Conference Europe 2013 , Oct 29-Nov 1, 2013, Dublin, Ireland. ...

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• SNe related preprints
• Zen: relation featur?s
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... All the information about the propagation of a given plasma wave mode is contained in the appropriate dispersion relation, which relates the angular frequency w to the wave number k (magnitude of the propagation vector k ). ... Phase velocity . ... Group velocity . ... Wave propagation can also be described using diagrams called phase velocity or wave normal surfaces , which give the variations of the magnitude of the phase velocity of plane waves with respect to the magnetic field direction: . ...

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• Related Solar-Terrestrial Physics Servers
• Pi 2 [Oulu]
• Basic definitions [Oulu]

STScI-PRC99-30 . ... 2 Micron All Sky Survey (2MASS) mosaic of the center of the Milky Way . Credit: University of Massachusetts and Infrared Processing and Analysis Center . ... STScI | ... AURA) , for NASA , under contract with the Goddard Space Flight Center , Greenbelt, MD. The Hubble Space Telescope is a project of international cooperation between NASA and the European Space Agency (ESA) . Office of Public Outreach -- outreach@stsci.edu . ...

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PEGASE: Project de'Etude des Galaxies par Synthese Evolutive (by Damien Le Borgne and Brigitte Rocca-Volmerange) . Galaxy colours (by Robin Stevens) . ... Images of radio galaxies and quasars mapped at VLA . Atlas of radio galaxies in 3CRR sample (images, description, classification, etc.) Radio Galaxy and Quasar Images at Other Sites by A.Bridle . ... Radio galaxies in Abell clusters . ... Digitized Sky Survey images . Faint Images of Radio Survey at Twenty-cm at VLA . ...

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... 025.04) Correlating Arecibo Radar and IRTF Near-Infrared Spectral Observations of 105 Artemis . 029.14) Fast-Drifting Radio Bursts Seen on the Flare Star AD Leo with the Arecibo Observatory . ... 095.01) The Arecibo Legacy Fast ALFA Survey: HI Sources in the Northern Virgo Cluster Region . 095.02) The Arecibo Legacy Fast ALFA HI Survey: The Rich Galaxy Group Zwicky 1400+0949 . ... 104.02) Radio Emission Signatures of the Crab Pulsar's High Frequency Interpulse . ...

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• Common Holidays in Relation to Equinoxes, Solstices Cross-Quarter Days
• The Evolution of Galaxies Seen Through The Neutral Hydrogen Line The Evolution
• Arecibo-related presentations at AAS 208

... The concepts of Fourier frequency and wavelet duration are obviously related. ... Among many sensible definitions, we chose to require that the peak of the wavelet mean spectrum should be matched with the singularity of the Fourier transform of the cosine wave. Then, it can be shown that the frequency of the cosine is related to the wavelet duration by the relation . ... The ambiguous definition of the duration of an event is common to the sizing of any object of irregular shape. ...

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• RELATED WORK
• Album: My woodworking and related stuff
• Historical Notes

... Forum . ... Recent Topics . ... MAO main . ... Fw: US-Russian Relations and the International Space Station . ... Subject: US-Russian Relations and the International Space Station . ... Title: US-Russian Relations and the International Space Station . ... www.linkedin.com/e/v2?e=k3uge-hth996mn-6...r&anetID=1947305 . ... Board Categories MAO main - Info - MAO - news - Flame Technical - Technical Support(Forum)(пўпµя…пїпѕпґпґпµяЂп¶пєп°(п¤пѕяЂяѓпј)) . ... Powered by Kunena Forum . ... MAO NASU . ...

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• MAO NASU :: Topic: The third-order space-by-time relation (1/1)
• КАРТОТЕКА ПУБЛ?КАЦ?Й СП?ВРОБ?ТНИК?В ГАО НАН УКРА?НИ

... ATNF Home . ... About ATNF overview . ... Australia Telescope Steering Committee . ... Astrophysics graduate student programs . ... Australian Square Kilometre Array Pathfinder . Murchison Radio-astronomy Observatory . ... Parkes radio telescope . Australia Telescope Compact Array . ... Parkes | ... Visiting Parkes radio telescope . ... For no collisions, a case previously treated by Shukla (1992) and Mendis and Rosenberg (1992), the parallel propagation dispersion relation is, from ( 18 ), . ...

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• Late Stages of Stellar Evolution
• Related Programs
• WCSLIB: FITS-WCS and related software