Astronomy Discussion Forums . Forums: . ... Celebrating "separate" Universes!! ... Post Message | ... If "B" were not different in at least some way from "A"; why, "B" would even have the same name as "A"; it would have to be "A". ... B" is a way of looking at itself and the world (inculding "A"). ... www.astronomy.net . About Astronomy Net | ... Forum posts are Copyright their authors as specified in the heading above the post. "dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...

... When time averaging a series of scans together, it is possible that the velocity scales are not exactly aligned. ... ASAP> scans.freq_align() ASAP> av = average_time(scans) . ... In these cases run with perif=True and all rows of a source will be aligned to the same frame. ... ASAP> scans.freq_align(perif=True) . To average together data taken on different days, which are in different scantables, each scantable must aligned to a common reference time then the scantables averaged. ...

Distributed Software for Observations in Near Infrared V. Gavryusev 1 and C. Baffa Osservatorio Astrofisico di Arcetri E. Giani Dipartamento di Astronomia, Universit`a di Firenze Abstract. ... The processes denoted for control of hardware (telescope and other instruments) should be executed currently on PC dedicated for this task under DESQview/X, while all other components (user interface, tools for the data analysis, etc.) can work also under Unix. ... 1993, Di Giacomo et al. 1993). ...

... Archives . ... The PCA and ICA is used for separating mixed components with some assumptions. ... The need of source separation methods in astronomy has led various adaptations of decomposition methods available. ... I rarely come up with a paper which gathered and summarized component separation methods applicable to astronomical data. In that regards, the following paper seems useful to overview methods of reducing dimensionality for astronomers. [arxiv:0805.0269] . ... Chandra Blog . ...

... An Orion of a Different Color . ... It is a familiar object though, the grand stellar nursery known as the Orion Nebula . But the striking picture combines images taken through three separate filters, each designed to record different emission lines - light from Sulfur, Oxygen, and Hydrogen atoms glowing in the tenuous nebular gas. At such low densities , Sulfur and Hydrogen atoms emit red colors while Oxygen glows green. ... Publications with keywords: Orion Nebula . ... The Heart Of Orion . ...

... We have developed an integrated system that performs astronomical observations in Near Infrared bands operating two-dimensional instruments at the Italian National Infrared Facility's ARNICA and LONGSP . ... The user interface is organized as widget-based X11 client. ... 1993; Di Giacomo et al. 1993). ... Moreover, if the interprocess communication interface includes support for networking, the software immediately becomes network distributed software. ... DESQview/X User Guide 1993, Quarterdeck . ...

See also: Name-based Virtual Hosts Support . As the term IP-based indicates, the server must have a different IP address for each IP-based virtual host . ... There are two ways of configuring apache to support multiple hosts. ... For each installation, use the Listen directive in the configuration file to select which IP address (or virtual host) that daemon services. e.g. Listen www.smallco.com:80 It is recommended that you use an IP address instead of a hostname (see DNS caveats ). ...

Astronotes Armagh Planetarium's Stellar Blog! ... Armagh Planetarium . ... Space Flight . ... By admin December 2, 2010 Posted in: Armagh Planetarium . Space buffs could get lost in this fascinating image: Lunar Landers to scale, spot your favourite! This week the Carnival is hosted by Weird Sciences and you can go straight there by clicking here . ... Hello, IтАЩm Colin, welcoming you to Astronotes, the PlanetariumтАЩs official blog. ... Copyright Armagh Planetarium 2014 All Rights Reserved. ...

... Network logins work a little differently than normal logins. There is a separate physical serial line for each terminal via which it is possible to log in. For each person logging in via the network, there is a separate virtual network connection, and there can be any number of these . ... Network logins have, instead of a herd of getty љ s, a single daemon per way of logging in ( telnet љ and rlogin љ have separate daemons) that listens for all incoming login attempts. ...

. Strictly speaking, UNIX is not one single operating system, it is a family of operating systems. Different computer manufacturers produce their own versions of UNIX. Although these are mostly similar, there are small differences which can cause problems. The most obvious examples are the layout of the file system and the exact format of certain commands. History of the UNIX operating system . Modern variants of UNIX .