... Synchrotron emission of a jet in the strong radial magnetic field of an AGN is analyzed. ... Often observed multi-component structures can be explained by the single jet in the model, if the flow of relativistic particles from the active nucleus varies in time. ... It is concluded that a narrow jet of relativistic particles emitted by the synchrotron mechanism in the strong radial magnetic field of an active galactic nucleus can be a real model for variable extragalactic radio sources. ...

... Subject: Lecture, ISS, NearMiss, IAA @ Bangor, S-L @ Armagh, Fire @ SSO, Ast Course, more . Date: 23 January 2013 00:03:11 GMT . ... 1.Тљ IAA LECTURE: The next IAA public lecture will be on WednesdayТљ23 January, at 7.30 p.m. It will be givenТљbyТљ Dr Tolis Christou, of Armagh Observatory . ... IAA Event at Bangor, 16 February - UPDATE. ... http://www.dailymail.co.uk/sciencetech/article-2265984/Robot-hedgehogs-Mars-The-bizarre-mission-send-spiked-beach-ball-sized-probes-red-planets-moon.html . ...

... Rusnak: Today is October 7, 1999. This oral history with Ralph Sawyer is being conducted at the offices of the Signal Corporation in Houston, Texas. ... Sawyer: Well, one of the things that I was involved with for interest and for making money, I worked in a Signal Corps lab that was at the school, and it was in piezoelectricity. ... Sawyer: Well, anyway, for one reason or another, I was chosen as one of their people and I was allowed to stay where I was, as long as my real job didn't interfere. ...

яЛП . PubliУ? le 22/06/2014 par Stephane Gonzales . Date : 14/06/2014 . Lieu : surgeres . MatУ?riel de prise de vue : telescope newton 250mm OrionOptics, filtre astrosolar D3,filtre continuum Baader,filtre anti IR,barlow 3x,qhy5l-II M . Commentaires : transparence et seing bon

The Armagh Observatory and Planetarium Annual Report and Accounts for 2010/2011 Year Ended 31 March 2011 © Armagh Observatory and Planetarium Copyright 2011 You may re-use this document/publication (not including logos) free of charge in any format or medium, under the terms of the Open Government Licence. To view this licence, please visit http://www.nationalarchives.gov.uk/doc/open-government-licence. For further details about the re-use of Armagh Observatory and Planetarium information please write to