. XMM-Newton Science Analysis System . omsource (omsource-1.15.5) [xmmsas_20070708_1801-7.1.0] . Meta Index / Home Page / Imaging Mode Photometry Window . The background subtraction can be done in one of several different ways and these controls allow the user to select whatever method he/she wishes to use. Subsections . Annulus . User regions . Select . User value . interpolate . XMM-Newton SOC/SSC -- 2007-07-09

... Future seminars . ... On Control of vortex interaction " . D.L. Vainchtein (IKI RAN; Dept. of Mechanical and Environmental Engineering, University of California Santa Barbara, USA) . ... In the present talk I look at two different methods of controlling the interaction of two 2D vortices. ... The setback of this method is that it destroys original flow structures and is very energy consuming, as it must overcome the original dynamics. ... We call this method "adiabatic control". ...

... APOD: 2006 September 29- NGC 5905 and 5908 . ... Credit Copyright: Stefan Seip Explanation: These two beautiful galaxies, NGC 5905 (left) and NGC 5908 lie about 140 million light-years distant in the northern constellation Draco . Separated by about 500,000 light-years, the pair are actually both spiral galaxies and nicely illustrate the striking contrasts in appearance possible when viewing spirals from different perspectives. ... September 2006 . ... Publications with keywords: spiral galaxy . ...

... NASA Astronaut (former) . ... Graduated from East Detroit High School, Eastpointe, Michigan, in 1973; received a bachelor of science degree in bioscience from the U.S . Naval Academy in 1977; a doctorate in medicine from Wayne State University in 1981; a master of science degree in systems management from University of Southern California in 1988; a master of public health degree in health policy from the ... Top graduate, Naval Flight Surgeon Training and Naval Safety Officer's School. ...

... country name . ... Query " Moscow's celebrations hotel Moscow, Russia" would failed if search attributes separately, but could be succeeded if search their concatenation. ... hotel". ... Simple search for "Moscow": # select name, country, place, rank( idx, ftsquery ) as r from hotels, to_tsquery('Moscow') as ftsquery where idx @@ ftsquery order by r desc; name | ... Query "Moscow hotel" (rewritten by hand): # select name, country, place, rank( idx, ftsquery ) as r from hotels, to_tsquery('Moscow | ...

... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . ... The peak of activity is expected to occur around midday on August 12th, with a possible all-sky maximum of perhaps 50тАУ100 meteors per hour visible during the nights of 11th/12th August either side of the shower maximum. ... Most meteors are produced by comets, which shed trails of dust while passing through the inner solar system on their elliptical orbits around the Sun. ... See also: . Videos of 2009 Perseid Meteors . ...