. There are several different shells available for Unix; the most popular are described here. You can use any one of these shells if they are available on your system. And you can switch between the different shells once you have found out if they are available. Bourne shell (sh) . C shell (csh) . TC shell (tcsh) . Korn shell (ksh) . Bourne Again SHell (bash) .

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• Using a different printer

Frequently Asked Questions (about the FITS archive) . HyperLeda home | Documentation | ... Some variations in the setup are accepted in a given dataset depending on the context: In broad Band Imaging, the observations taken through different filters (U B V R and I) belong to the same dataset. ... What data are archived in the HFA? The HFA stores files as they are provided, ie., it can be raw observation files or pre-reduced files (flatfielded and wavelength calibrated). ... HyperLeda . ...

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• Multi-Processing Modules (MPMs) - Apache HTTP Server
• Power of test statistics
• Table File System

... We now describe the input parameters to the self-calibration tasks. ... For selfcal , you need not perform source , dra , or ddec selection if you use the selradec option (see below). minants : The minimum number of antenna that must be present before the tasks will attempt to find a solution. ... and phase : This determines whether the self-calibration tasks solve for just phase ( options=phase , which is the default) or amplitude and phase solution ( options=amplitude ). mfs : . ...

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• VLBI Wiki | PmWiki / WikiFarmTerminology
• Bandpass and antenna gain calibration
• Event-driven Tasks and Graphical User Interfaces

Dynamical modeling of velocity profiles: the dark halo around the elliptical galaxy NGC 2434 . ... A representative library of orbits is calculated in a given potential, and the non-negative superposition of these orbits is determined that best fits a given set of observational constraints. ... We test the scheme on pseudo-data drawn from an isotropic Hernquist model, and then apply it to the issue of dark halos around elliptical galaxies. ...

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• ITM-1998-06 Abstract
• VMS Users Guide
• Results and Discussions

... Unlike the previous digital-only Messages, Arecibo-1974 and Evpatoria-1999, the TAM has complex, three-section structure with different forms of information. Section 1 represents coherent sounding radio signal with slow Doppler wavelength tuning to imitate transmission from Sun's center. ... Section 2 is an analog information and represents musical melodies, performed on the Theremin. ... There were seven musical compositions in the 1st Theremin Concert for Aliens. ...

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• Photos from the latest lunar eclipse (march 2007)

... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2000 January 8 . Albert Einstein Describes Space and Time . Explanation: Albert Einstein (1879-1955) is considered by many the greatest astrophysicist and single most significant Person of the 20th Century . ... One reason Einstein was awarded the 1921 Nobel Prize in Physics was to make the prize more prestigious. ... About APOD | ...

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• APOD: September 27, 1998 - Albert Einstein Describes Space and Time
• APOD: 2001 May 30 - Stellar Spectral Types: OBAFGKM
• APOD: 2004 April 18 - Stellar Spectral Types: OBAFGKM

Astronotes Armagh Planetarium's Stellar Blog! ... Our Galaxy . ... Stars . ... Other Galaxies . ... Light of other eyes, other times: The X-rays and IR radiation making up the image have been travelling for a long time. ... The inspiration here came from a new ESA image of M31, the Andromeda Galaxy, composed from two very different images. ... Our nearest galactic neighbour, the Andromeda Galaxy?s brightness is caused by the hundreds of billions of stars that are contained within. ...

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Modules | ... Apache HTTP Server Version 2.2 . Apache > HTTP Server > Documentation > Version 2.2 . ... This document describes what a Multi-Processing Module is and how they are used by the Apache HTTP Server. ... Choosing an MPM . MPM Defaults . ... The Apache HTTP Server is designed to be a powerful and flexible web server that can work on a very wide variety of platforms in a range of different environments. ... At the user level, MPMs appear much like other Apache modules. ... mpm_winnt . ...

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• CHIANTI: A Database for Astrophysical Emission Line Spectroscopy
• INTRODUZIONE
• Filters - Apache HTTP Server

Peremennye Zvezdy", . ... Received: 7.09.2013; accepted: 10.03.2015 . ... There were two different systems used to acquire the data (a): A TheImagingSource DMK 41BU02 Astronomy camera on an unfiltered 110mm focal length f/2.5 lens, mounted on a Meade ETX-60 operating in Alt/Az mode and (b) : A TheImagingSource DMK 41AU02.AS Astronomy Camera on an unfiltered 50mm focal length f/2 lens mounted on a Meade ETX-90 operating in Equatorial Mode. ... System (a) was used in 2010, (b) was used in 2011 and 2013. ...

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• An Orion of a Different Color
• XWare > APOD

This group of four pages describes how the Arecibo 430 MHz radar makes simple measurements in the ionosphere. ... Radar Reflections From the Ionosphere . ... Or How are radio and TV stations like radars?) ... Consider two radio stations located on a mountain transmitting to a nearby city. ... A radar is like a radio station, but it has a receiver that picks up radio waves reflected from objects (targets). ... Although a radio station transmits continously, a radar can transmit short bursts of waves. ...

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• Submitting a Telescope Proposal
• HISA Survey of the Phase I CGPS
• Different types of HVCs in different environments?

... sin f = y / r . cos f = x / r . ... They are now viewed as new definitions of the sine and cosine, for the polar angle f given by x and y ( a slightly different way of formulating this definition is described further below ). ... sin 2 f + cos 2 f = 1 . ... Angle . ... Many trigonometry texts define the sine and cosine slightly differently, using the so-called unit circle . ... Then the distance AB ("the sine line") equals sin a , and the distance OA ("the cosine line") equals cos a . ...

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• Space Research Institute (IKI) Seminar
• Seasons of the Year
• "Stargazers" and National Science Standards

... every new catalog of objects has to be contained in the UNIX directory having the same name as the catalog of objects; . ... the programs for local operations (programs of low level) with the catalog of objects are also in the same directory; . brief characteristics and names of the programs and file with the description of the catalog are stored in the file cats_descr ; . ... All astronomical catalogs have a different format and list different observables. ...

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... Does the time it takes different methods to create all the elements coincide with the universeт??s accepted age? ... Illinois Urbana-Champaign) Different kinds of stars create elements at different rates, all of which are consistent with the age of the universe. Get instant access to subscriber content on Astronomy.com! ... Registration is FREE and takes only a few seconds to complete. If you are already registered on Astronomy.com, please log in below. ...

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• Why do some stars appear to flash a variety of different colors when you look
• Magnetic fields, subatomic particles, etc., traveling in different directions
• The different types of supernovae | Astronomy.com

... They have been used to describe the content of the 105 columns available in the different VizieR tables. ... We present different applications of UCDs: selection of catalogues, based on their content; identification of catalogues having similar fields; automated data conversion allowing direct comparison of data in cross-identifications. ... Metadata for the VO: The Case of UCDs 71 Figure 2. Example of statistics on the different column names and units used in all VizieR tables for one UCD. ...

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• ADASS 2002 Conference Proceedings
• A Wavelet Parallel Code for Structure Detection
• A Spectroscopy Exposure Time Calculator for IRAF

... Clearing the library. Note the different flooтАж . Sidebar Left . Sidebar Top . ... Title: Clearing the library. Note the different floor levels. There were at least 4 different levels of underfloor in the library. Description: NOTE: All images and movies are copyright and must not be reproduced or mirrored in any form without written permission. ... NOTE: All images and movies are copyright and must not be reproduced or mirrored in any form without written permission. ...

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• The sculpture is accepted
• Things are very different for small planets
• Student Briefing

... Tue, 9 Apr 2002 12:00:10 +0200 . Previous message: [sas-uploads] sas-1.287.18.tgz . Next message: [sas-uploads] sas-1.287.20.tgz . Messages sorted by: [ date ] [ thread ] [ subject ] [ author ] . ...

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• [sas-uploads] sas-1.346.tgz
• [sas-uploads] merge-0.4.3.tgz
• Output

... Words . ... Connections (constellation) . Connections (matrix) . Data Collection and Analysis . AAS 223 . AAS 221 . AAS 219 . AAS 218 . ... The data below shows the most-popular words used in tweets about the 223rd meeting of the American Astronomical Society . A number of common English words have been removed (including terms AAS223 , AAS and RT since they are very popular). ... Here we restrict ourselves to those tweets not flagged by Twitter as being a re-tweet. ...

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• What are the popular words from JWST@SXSW?
• What are the popular words from #AAS221?
• The AstroStat Slog Blog Archive different views

... In order to disentangle the effects of different climate variables on tree-ring growth rates of different species, and to explore the possibility that more than one species could improve the accuracy of the reconstructions of climate using tree rings, a methodical study of trees in close proximity to the Armagh Observatory climate station was initiated together with Ana Maria Garc?a Su?rez, and continued as part of the latter's PhD thesis with John Butler and Professor Mike Baillie (QUB). ...

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• Showing and setting time
• Overview of the Directory Tree
• Climatology

... Thus the FTE described below must be added to the AOF FTE budget. ... Activity Scientist overview of changes (R7M) Observing preparation tool ( section 15.1) Instrument Control Panel ( section 15.2) Modification of AOF / Hawk-I acquisition template ( section 15.3) Site quality monitoring and display ( section 15.5) Exposure Time Calculator ( section 15.6) Modification Observing Tool (OT3) ( section 15.8) TOTAL FTE effort 1 0.1 0.3 0.3 0.3 0.2 0.3 2.5 ...

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• Different X-ray Spectra
• ESO - I want to process MOS data of the same target from different nights
• ESO - Why do the flats in my data have different exposure times and how do I

... Russian KOI8 . ... Radio galaxies and cosmology [in Russian]) . ... The book is devoted to investigations of powerful radio galaxies in the different wavelength ranges. ... The history of study for radio galaxies is given and the outlook on radio galaxy exploring is considered. ... The cosmological tests to check the Universe evolution parameters constructed on the observational data of radio galaxies are considered in details. ... List of detected misprints (in Russian). ...

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• Informational system "Evolution of RG"
• astro-ph authors/title/abstract search for 'galaxy merging' all years