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 . ...

... Bojan Nikolic web pages (r. 329) . ... Analysis of (radio) spectra . I describe an approach to fitting and comparison of radio spectra based on Bayesian analysis and realised using a new implementation of the nested sampling algorithm. ... I this paper I cover the theoretical background, the algorithms used and the implementation details of the computer code. I also briefly illustrate the method with some previously published data for three near-by galaxies. ... Paper I: Method . ...

... ApJ, 571, 843-855 (2002). ... In: URSI XXVIIth General Assembly, Maastricht, 17-24 August, 2002, p1326.pdf (2002). ... In: URSI XXVIIth General Assembly, Maastricht, 17-24 August, 2002, p2172.pdf (2002). ... In: URSI XXVIIth General Assembly, Maastricht, 17-24 August, 2002, p0115.pdf (2002). ... TINGAY, S.J., PRESTON, R.A., JAUNCEY, D.L. & MURPHY, D.L. "The subparsec-scale structure and evolution of Centaurus A", In: URSI XXVIIth General Assembly, Maastricht, 17-24 August, 2002, p2156.pdf (2002). ...

... Proposing for VLBI Time at Arecibo . ... Documentation (Field System, VLBA4 terminal, Mark 5 system) . ... In 2001, the Arecibo Observatory received its hybrid VLBA-MARK IV (VLBA4) data acquisition system, and currently NAIC commits Arecibo to support VLBI observing up to a maximum of 4% of the 305-m's observing time. ... Tracking Time (h:mm) . ... The inclusion of the 305-m Arecibo radio telescope can dramatically boost the sensitivity of VLBI observations, even with its limited source tracking...

Using the 1-m telescope at Ritter Observatory, we took 36 observations of \zeta$^2$ Coronae Borealis with a fiber-fed echelle spectrograph. From these observations, \zeta$^2$ CrB was found to be a triple system and a new spectroscopic orbit was calculated. ... The inner binary`s center of mass (\zeta$^2$ CrB AB) describes a long-period single-lined variation identified with the outer binary. ... The inner binary possesses an essentially circular orbit $(e = 0.48)$. ...

... Previous: Generalized Linear Multi-Frequency Imaging in VLBI . ... At Astronomical Observatory of Valencia University (OAUV), CCD observations of asteroids and big planets satellites are obtained since 2001 with a big format camera and several telescopes. ... Software for comparison of single and overlapped CCD fields obtained at different epochs has been developed. ... After images measurement in CCD field, catalogue stars are identified and adjusted with images. ...

Databases (NSDC) of the Natural Planetary Satellites. ... NSDC: Database of astrometric observations of Natural Planetary Satellites . ... They are thoroughly looking for observations in different sources, creating their owndatabases which are then mostly inaccessible to other researchers. ... In the file "content" with explications, the reference is given to the data source as well as the bibliographic reference. ... Data sources. ... Why a specific bibliographic database for Natural satellites? ...

... Fortunately, astronomy is an exception in this regard. ... As commercial databases have been described in detail before (see e.g. Watson 1991), this chapter will concentrate on Library information services that require neither an account nor a password and do not charge fees according to the connecting time or the number of data sets that are displayed or downloaded. ... American Astronomical Society (AAS) . Astronomical Observatory Trieste (OAT) library . ... Center for Astrophysics library . ...

... Natalya V. Raguzova and Sergei B. Popov . ... We present a compilative catalogue of Be/X-ray binaries and candidates in the Galaxy and in the Large and Small Magellanic Clouds. This catalogue contains 160 sources and provides information on names and spectral types of optical components, distances, on spin characteristics of neutron stars, and on orbital and X-ray properties of binary systems. ... Be/X-Ray Binaries and candidates in the Galaxy . Galactic sources: comments to the Table 1 . ...

... Order IAU Publications Online . Note: Proceedings of IAU meetings held since 2004 will be published by . ... http://journals.cambridge.org/jid_IAU . Order by Fax or by Mail . Printable order form to send via fax or mail . Request a Quotation . Contact service {at} astrosociety.org for a quotation. Please include volume numbers and ship to address for quotation. ...

Here is a description of the Filter/Driver Pack Plus release from Aldus. ... The Macintosh Filter/Driver Pack Plus includes several new and updated filters, including import filters for Microsoft Works 3.0 and MacWrite Pro files, as well as the most recent LaserWriter driver, version 8.1.1. ... The Filter/Driver Pack Plus also includes a patcher utility which will update PageMaker 5.0 to version 5.0a. This patcher corrects a handful of reported customer problems. ...

... Margin |0.79|2.0| ... Font: Text: Times New Roman Variable: Times New Roman Italic Symbol: True Type Symbol font (Type 1 fonts only) Type Size: Paper title: 12 pt bold (TITLE) Author(s): 10 pt bold (Author) Affiliation(s): 10 pt italic (Affiliation) Normal text: 10 pt (regular text) Text in tables: 9 pt Symbols: 10 pt (( ( ( ) Sub/super-script: 7 pt (x y) For Latex users, a set of macros is available on the ESA Publications www- site: http://www.esa.int/SPECIALS/ESA_Publications/SEMA2D81Y3E_0.html 3...

University Satellites and . Space Science Education . ... Aerospace and remote sensing education in the Geography schools of Moscow and Cambridge universities . ... The two well-known universities under comparison, namely the Lomonosov Moscow State University, and the University of Cambridge, UK have well established traditions of geographical remote sensing. ... Skobeltsyn Institute of Nuclear Physics, Moscow State University, 2005-2006 . ...

... This document is also available in PDF format . The Armagh Observatory is a transparent and open organization and we publish a great deal of information about what we do on this website, which you can access by navigating through the website. In this part of our website we explain how you can get access to information of a personal nature which we may hold about you under the Data Protection Act and certain classes of information specified under the Freedom of Information Act. ...

NAUTICAL ASTRONOMICAL ALMANAC for 2013-2014 (in Russian-English) . Preface . The Institute of Applied Astronomy of the RAS (IAA RAS) submits the next issue of ?The Nautical Astronomical Almanac for the years 2013-2014? biennial (NAA-2). ... Calculations of ephemerides in NAA-2 for 2013-2014 have been executed by the following researchers of Laboratory of Astronomical Yearbooks of IAA RAS: . ... The Explanation for NAA-2 (2013-2014) is revised by M.V.Lukashova, M.L.Sveshnikov. ...

... SDSSmosaic allows you to create science image mosaics of SDSS frames in 3 easy steps, described below (see Usage). ... SDSSmosaic requires a standard IRAF installation (including STSDAS and tables packages); python (including urllib); SExtractor and Swarp by E. Bertin (can be obtained at http://astromatic.iap.fr/software/ ). ... The package is developed by Stefano Zibetti (2009-.. ... If you received this package from a third party, please notify the author ( zibetti at arcetri.astro.it ). ...

... There are a lot of computer codes simulating this scattering and freely available in the Internet (see e.g. links on our JPDOC page ). ... The code and input file are available in the directory . ... A slightly modified code of Barber Hill with a C-shell and input files is available in the directory . ... The code, input and test output files are available in the directory . ... See also readme file. file. ... The code, input file and their description (a TeX file) are available in the directory . ...

Next: NICMOS Science Up: NICMOS Data Calibration and Previous: NICMOS Software at the . ... Reference File Tools . Image Analysis and Reduction . ... These include the tasks used in the STScI pipeline, tools to generate the reference files used by the calibration pipeline tasks, and general image analysis, manipulation, and arithmetic tasks. ... Calnica is used to apply instrumental calibrations to individual datasets, while calnicb is used to process associated sets of NICMOS images. ...

... AstroImageJ (AIJ) .. ... Reads and writes FITS images with standard headers . ... Provides a time and coordinate converter tool with capability to update/enhance FITS header content (AIRMASS, BJD, etc.) ... Creates color images and with native ImageJ processing power . ... AstroImageJ_Updater . Update operation now updates AIJ version number in Info.plist CFBundleVersion and CFBundleShortVersionString (MacOSX only) . ... AstroImageJ is ImageJ with astronomy plugins and macros installed. ...

HEAD 2011: Poster 10.05 Project Tanagra: Stellar Flares in Chandra High-Resolution Spectra Jennifer Posson-Brown, Vinay Kashyap, Steven Saar & Jeremy Drake (Harvard-Smithsonian Center for Astrophysics) Abstract We introduce Project Tanagra: Timing Analysis of Gratings Data, a uniform study of archival Chandra gratings observations of active l ow-mass coronal stars. ... See Kashyap et al. 2002, 2011 and Saar et al. 2011.) ... High resolution spectra from MEG and HEG first order, and ze roth order. ...