... 2000; Persi et al. 2000). One of these stars (Cha Halpha1) is a bona-fide brown dwarf, with mass 0.04-0.05 Msun. ... This result provides a first indication that the formation mechanism of T Tauri stars (via core contraction and formation of an accretion disk) extends to objects in the brown dwarf mass range. ...

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• rho-Oph BD disks (Abstract)
• Tegami (Abstract)
• Imaging99 (Abstract)

... Programme . ... Presenter: Felix Aharonian (DIAS/Dublin and MPIK/Heidelberg) . Abstract: Recently the HESS collaboration announced the discovery of very high energy -rays from the nearby radiogalaxy Centaurus A. I will describe the results obtained with the HESS array of imaging atmospheric Cherenkov telescopes located in Namibia, and discuss different possible scenarios and sites of -ray production. go back . CSIRO 2009 Legal Notice / Privacy Statement Last modified: 15/11/2010 ...

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The stellar content of nuclear star clusters in spiral galaxies . ... 4834, 57, 2003 . 2003. ... We discuss first results from a spectroscopic survey of nuclear star clusters in nearby, late-type spiral galaxies. The data, obtained with the Space Telescope Imaging Spectrograph (STIS), allow us to derive cluster ages via stellar population synthesis methods. ... Although preliminary, these results support the notion that nuclear cluster formation is most likely a repetitive process. ...

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• WFPC Image Restoration and Undersampling Problems
• Model Updating in the MEM Algorithm
• WFPC2 TIR Abstract

... omichain (omichain-1.51) [xmmsas_20080701_1801-8.0.0] . ... This document describes how to use the omichain perl script to reduce OM IMAGING mode data, how it works and what output it produces. ... Decreasing processing time . ... Production of the combined source-list . ... Input Files . ... Rotated sky images (fits) . Source-list files (fits) . Region files . Intermediate Output Files . Unrotated image-files (fits) . ... Level-image files (fits) . Background-image files (fits) . ...

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• Abstract API

... Previous: Refining the Guide Star Catalog: Plate Evaluations . Up: Instrument-Specific Software . ... A losslessly compressed version of the Guide Star Catalog has been created by the authors and described in the present paper. ... To help PC users solve the problem of data retrieval, we have created the Guide Star Catalog Data Retrieval Software, or GUIDARES (Malkov & Smirnov 1995). ... The XSKYMAP software is an IDL widget application for retrieval, visualization and hard copy of ZGSC samplings. ...

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• FITSIO Subroutine Library Update
• Organizing Observational Data at the Telescope
• New Developments in the FITSIO and Fv Software Packages

Workshop on geometric analysis and spectral theory . ... On a class of random walks on groups with infinite number of generators". ... Optimal transportation, weak flows and very degenerate elliptic PDE's". ... Singular solutions to fully nonlinear elliptic equations". ... I will give some hints on how this conjecture is related to minimal surface theory and I will describe some flatness results for non local equations on one hand and on elliptic equations on riemannian manifolds on the other hand. ...

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• Conference "Zeta Functions"

... Many of our new results favour a conal geometry for the arrangement of emission regions and allow accurate estimates of the emission heights and polar cap locations for the emission cones to be obtained. These results indicate that pulsar emission cones may be located at around half-way out the edge of the polar cap and at altitudes of a few hundred to a thousand kilometers above the neutron star surface. ...

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• call for abstracts

... For a semple of red giants comprising about 2000 stars, the distributions of metallicity [Fe/H] are given. ... The center of the distributions of giants in both galactic poles is found to demonstate a statisticaly significant gap similar to the one found earlier for the late main-sequence stars. The implications of the metallicity distribution properties for the problems of the chemical evolution of the galactic disk are discussed. ...

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Russian Military Space Activity . r The experts in space and rocketry field as well as ones interested in the Russian cosmonautics know quite a well The Military Aspects of the Soviet Cosmonautics book by Maxim Tarasenko published in 1992. This book still is an unique independent Russian research in the military space programs' field. ... Instead, as a result of the author's many years efforts, The Russian Military Space Activities book manuscript was practically finished early in 1999. ...

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... I present results from several seasons of photometric observations of X--ray sources in the Orion OB1a and OB1b star formation regions. The initial goal was to measure the rotational periods of several dozen pre--main sequence (PMS) stars. ... Infrared and optical data confirm that 90% of the X--ray sources are PMS and about 10% of the PMS stars may have disks. ... I find rotation periods for five stars at confidence of greater than 99.9/ greater than 99/ at much lower confidence. ...

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• The AstroStat Slog Kalman filter
• The AstroStat Slog LF
• Comments on: tests of fit for the Poisson distribution By: hlee

SITE 2010 Comprehensive Characterization of Astronomical Sites Kislovodsk, Russia, 49 October 2010 Conference Summary Marc S. Sarazin*a a European Southern Observatory, Garching, Germany Abstract The main topics discussed during the Site 2010 conference are outlined and the outcome is described. Keywords: Astronomical Site testing, precipitable water vapor, atmospheric turbulence, cloudiness, seeing 1. ... Site surveys for National observatory projects in China, India, and Iran benefit from this. ...

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Proceedings of the Particle Physics and Early Universe Conference (PPEUC). For this paper: postscript PPEUC CMB index 1 Likelihood Analysis.. ... Institute for Astronomy, University of Edinburgh, Royal Observatory, Blackford Hill, Edinburgh, EH9 3HJ, U.K. Max Tegmark . ... We discuss the problems of applying Maximum Likelihood methods to the CMB and how one can make it both efficient and optimal. ... A much fuller account of most of this work is available ( Tegmark, Taylor & Heavens (1997) ). ...

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• Paper I: Method Bojan Nikolic web pages (r. 329)

Direct Electron Imaging Using Back Thinned CCDs . ... A proximity focused Gen III image intensifier has been built using a back illuminated 512 x 512 CCD in place of the phosphor screen. Signal to noise, spatial resolution, minimum resolvable signal and life are discussed. ... Very low light level imaging is driven by the need for high quantum efficiency detection of single photons at the highest possible speed and the highest spatial resolution. ...

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• EBCCD Tutorial abstract and introduction
• THE 1.4 GHZ NORTHERN SKY CATALOG
• The Zelenchuk 3.9 GHz Survey

... Program,Proceedings . ... Abstracts . ... The main purpose of the Workshop is to provide a forum for presenting and discussing the results of recent low temperature investigations in the microgravity environment, as well as future related studies in fundamental physics that can be carried out on ground and onboard the International Space Station, taking into account the advantage of long-duration experimentation in reduced gravity. ... Manuscript Submission - on attendance the Workshop . ...

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• LPCBC: Abstract 2_10
• LPCBC: Abstract 2_24
• LPCBC: Abstract 2_35

Global VLBI data processing results . ... In this paper we briefly describe the QUASAR software for VLBI data processing created in IAA RAS. The estimation parameters and results of global solution obtained with QUASAR software are shown. The first results of involving QUASAR software into IAA EOP service for EOP and station positions calculation are discussed. ... VLBI, data processing, global parameter, EOP. ...

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• AKO-2005
• Keywords_279
• Keywords_23

... The theory of the large scale structure of the universe . ... The theory of perturbation growth is considered with attention to acoustic oscillations of the radiation-dominated plasma and their attenuation before and during recombination, the growth of small perturbations in the neutral gas, the nonlinear growth of perturbations leading to the formation of compressed gas layers - pancakes, and the further fate of pancakes leading to their decay into galaxies and protoclusters of galaxies. ...

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... Study of Mg-Fe-silicate glasses of variable composition. ... With the new data, the astrophysical discussion started in Paper I was continued and focussed on the comparison of the olivine glass data with IRAS LRS spectra of O-rich circumstellar envelopes around Mira stars. ... The new olivine glasses point to the interesting consequence that the temperature for silicate dust grains at the inner edge of circumstellar envelopes must be considerably higher than the values often given in the literature....

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• Abstract book | Radiation mechanisms of astrophysical objects: classics today
• A Database of Optical Constants of Cosmic Dust Analogs
• Radiation mechanisms of astrophysical objects: classics today | Механизмы

. In this review we discuss optical contiuum emission from stellar flares and the possible physical mechanism that may be responsible.

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• Abstract 204
• Abstract
• Blinkers and TREEs

... Institute of Radioengineering and Electronics of the Russian Academy of Sciences . Mokhovaya st., 11, Moscow, 103907, Russia . ... Proceedings of 2000 IEEE International Symposium on CIRCUITS AND SYSTEMS, Geneva, Switzerland, May 28-31, 2000 , vol. ... 441-444. In this report we discuss the problem of separating the sum of chaotic signals into the individual components with a procedure of backward iteration of the mapping equations describing the chaotic sources. ...

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• Chaotic Processors and Unstructured Data Bases - NDCS-99
• INFORMATION SEARCHING SYSTEM "FORGET-ME-NOT" - NDES-99
• MAPS WITH STORED INFORMATION IN MULTIPLE-ACCESS COMMUNICATIONS SYSTEMS - NDES...

... Annual Meeting . Past Meetings . ... Abstract Guidelines . ... Connecting People to Science: EPO Conference . ... While the regular deadline for submitting abstracts for this conference has now passed, the ASP still welcomes late abstracts for poster papers. The deadline for late abstracts is June 13, 2011. ... For the Connecting People to Science EPO conference, you may be the lead author on a second abstract only if one abstract is for a poster paper (i.e. one oral abstract plus one poster). ...

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• ASP's 2012 Annual Meeting
• ASP's 2010 Annual Meeting
• ASP's 2009 Annual Meeting