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Intelligent Agents And Robotic Telescopes Help Astronomers Keep Up
Strasbourg - Oct 13, 2003 "Intelligent Agent" computer programs are roaming the Internet and watching the skies. It may sound like science fiction, but these programs will help astronomers detect some of the most dramatic events in the universe, such as massive supernova explosions. The Agents, created by the "eScience Telescopes for Astronomical Research" (eSTAR) project, have been deployed on the United Kingdom Infrared Telescope (UKIRT) in Hawaii. The work is being announced at a conference in Strasbourg on 14th and 15th October. EMBARGOED, 01:00 EDT, Tuesday 14th October 2003 Dr. Alasdair Allan, on the eSTAR team at the University of Exeter, said "The universe currently does things faster than we can respond to them. To study the most rapid and violent events in the universe, we need to be able to follow them quickly." As well as supernova explosions, many other astronomical events happen suddenly and unpredictably. These include the detection of near-Earth asteroids as they move across the sky, rapid changes in the swirling gases being swallowed by black holes, and the subtle changes in the brightness of stars which may indicate planets in orbit around them. The Intelligent Agent programs communicate with telescopes and each other using technology designed for the Grid - the "next generation Internet". They make observations with the telescopes, which they can analyse and immediately follow up with further observations. Prof. Tim Naylor, who led the eSTAR team and is also at the University of Exeter, said "We're creating a network of telescopes which can respond automatically to objects of great astronomical importance." Although this is not the first time that telescopes have been automated, or connected to the Internet, Dr. Allan explains "What is so important here is that we have developed an intelligent observing system. It thinks and reacts for itself, deciding whether something it has discovered is interesting enough to need more observations. If more observations are needed, it just goes ahead and gets them." Frossie Economou of the Joint Astronomy Centre, which operates UKIRT, said "Our plan is for the Agents to send messages to astronomers' mobile phones, and even pictures if the phone supports them. That way, you'll be able to follow events at the telescope, no matter where you are in the world." Dr. Allan continues "The Agents can detect and respond to the rapidly changing universe faster than any human, and make decisions to observe an object much faster than would otherwise be possible. Only then need they tell their human masters what they're doing." The Agents were recently put through their paces for the first time on a large research-class telescope: the 3.8-metre United Kingdom Infrared Telescope (UKIRT) on Mauna Kea in Hawaii. An Agent took live images with UKIRT, and compared them with previous infrared maps of the sky. It detected a dwarf nova - a star which experiences sudden flares in its brightness. It wasn't just technical hurdles that the team had to overcome in order to bring this complex system online. As Dr. Andy Adamson, Director of UKIRT, said "On the test night itself, we even had an earthquake on the island, but everyone remained undaunted. Both the eSTAR Agent and the telescope worked as planned." In the next few months, the eSTAR Agents will spread from UKIRT to the James Clerk Maxwell Telescope (also operated by the Joint Astronomy Centre). After that, the team will expand the network to include fully robotic telescopes such as the Liverpool Telescope on La Palma and the Faulkes Telescopes in Hawaii and Australia. So are the eSTAR team planning to put astronomers out of a job? Dr. Allan says not: "The Agents can be used to assist human observers, instead of replacing them entirely - augmenting their abilities to do science quicker, faster, and more reliably." The eSTAR work is being presented in talks by Alasdair Allan and Frossie Economou at the Astronomical Data Analysis Software & Systems conference in Strasbourg, on the 14th and 15th October respectively.
CAPTIONS
PLEASE NOTE: UNTIL THE EMBARGO IS LIFTED YOU WILL NEED TO ACCESS THESE
IMAGES WITH THE USERNAME 'press' AND THE PASSWORD 'agent'. In the event of
problems, please email [email protected]
- Star trails as the United Kingdom Infrared Telescope (UKIRT) watches the
night sky. CREDIT: Nik Szymanek.
* http://outreach.jach.hawaii.edu/pressroom/2003-estar/ukirtnight-large.jpg
(full size JPG 190kB)
* http://outreach.jach.hawaii.edu/pressroom/2003-estar/ukirtnight-small.jpg
(smaller size JPG 47kB)
- The massive star Eta Carinae. This star went through a giant explosive
outburst about 150 years ago, suddenly making it one of the brightest
stars in the southern sky. In the future, changes like this will be
immediately detected and investigated by the eSTAR network. CREDIT: N.
Smith (U. Colorado), J. Morse (Arizona State U.), and NASA.
* http://outreach.jach.hawaii.edu/pressroom/2003-estar/etacarinae-large.jpg
(full size JPG 1.5MB)
* http://outreach.jach.hawaii.edu/pressroom/2003-estar/etacarinae-small.jpg
(smaller size JPG 20kB)
- A diagram showing how the eSTAR network operates. The Intelligent Agents
access telescopes and existing astronomical databases through the Grid.
CREDIT: Joint Astronomy Centre. Eta Carinae image courtesy of N. Smith (U.
Colorado), J. Morse (Arizona State U.), and NASA.
* http://outreach.jach.hawaii.edu/pressroom/2003-estar/estardiagram-large.png
(full size PNG 230kB)
* http://outreach.jach.hawaii.edu/pressroom/2003-estar/estardiagram-small.png
(smaller size PNG 75kB)
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Justice Department Clears Intelsat-PanAmSat Merger
Wilton CT SPX) May 29, 2006PanAmSat Holding Corporation announced today that it has been informed that the United States Department of Justice is closing its antitrust investigation of the Company's proposed merger with Intelsat Ltd. The Justice Department is not seeking to condition, and is not otherwise commenting on, the proposed merger.
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