Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 2008
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008eso..pres....1.&link_type=abstract
ESO Press Release, 01/2008
Astronomy and Astrophysics
Astronomy
Scientific paper
Another great year went by for ESO, the European Organisation for Astronomical Research in the Southern Hemisphere. From 1 January 2007, with the official joining of the Czech Republic, ESO has 13 member states, and since September, ESO has a new Director General, Tim de Zeeuw (ESO 03/07 and 38/07).
Many scientific discoveries were made possible with ESO's telescopes. Arguably, the most important is the discovery of the first Earth-like planet in the habitable zone of a low-mass red dwarf (ESO 22/07). If there is water on this planet, then it should be liquid! ESO PR Highlights 2007 This is a clickable map. These are only some of the press releases issued by ESO in 2007. For a full listing, please go to ESO 2007 page.
In our own Solar System also, astronomers made stunning breakthroughs with ESO's telescopes, observing the effect of the light from the Sun on an asteroid's rotation (ESO 11/07), describing in unprecedented detail the double asteroid Antiope (ESO 18/07), peering at the rings of Uranus (ESO 37/07), discovering a warm south pole on Neptune (ESO 41/07), showing a widespread and persistent morning drizzle of methane over the western foothills of Titan's major continent (ESO 47/07), and studying in the greatest details the wonderful Comet McNaught (ESO 05/07 and 07/07).
In the study of objects slightly more massive than planets, the VLT found that brown dwarfs form in a similar manner to normal stars (ESO 24/07). The VLT made it also possible to measure the age of a fossil star that was clearly born at the dawn of time (ESO 23/07).
Other discoveries included reconstructing the site of a flare on a solar-like star (ESO 53/07), catching a star smoking (ESO 34/07), revealing a reservoir of dust around an elderly star (ESO 43/07), uncovering a flat, nearly edge-on disc of silicates in the heart of the magnificent Ant Nebula (ESO 42/07), finding material around a star before it exploded (ESO 31/07), fingerprinting the Milky Way (ESO 15/07), revealing a rich circular cluster of stars (ESO 12/07), hunting galaxies (ESO 40/07), discovering teenage galaxies (ESO 52/07), and finding the first known triplet of supermassive black holes (ESO 02/07).
On the instrumentation side, the VLT has been equipped with a new 'eye' to study the Universe in the near-infrared, Hawk-I (ESO 36/07), while the Laser Guide Star used at the VLT to create an artificial star appears to fulfil all its promises (ESO 27/07 and 33/07). Successful tests were also done of a crucial technology for Extremely Large Telescopes (ESO 19/07).
The VLT Rapid Response Mode showed it unique capabilities in the study of gamma-ray bursts (ESO 17/07), as did the REM, a robotic telescope at La Silla, that allowed astronomers to measure for the first time the speed of matter ejected in these tremendous explosions (ESO 26/07).
The world's largest bolometer camera for submillimetre astronomy, LABOCA, is now in service at the 12-m APEX telescope (ESO 35/07), while the construction of ALMA moves forwards. Two 12-m ALMA prototype antennas were first linked together as an integrated system to observe an astronomical object (ESO 10/07), the ALMA Operations Support Facility is almost completed (ESO 13/07), and the ALMA transporters were shipped to Chile (ESO 32/07 and 45/07).
ESO is also present on the educational front with, for example, its annual international contest for students, Catch a Star (ESO 21/07 and 46/07). In April 2007, ESO organised with its partners the second EIROforum Science on Stage festival, a unique event, showcasing the very best of today's science education and to which participated the European Commissioner for Science and Research, Janez Potočnik. The Commissioner also visited the Paranal observatory (ESO 48/07) and took part in the observation of a beautiful galaxy (ESO 49/07).
This was not the only nice image coming out from ESO telescopes. A rather amazing Cosmic Bird - or a gigantic Tinker Bell - was photographed (ESO 55/07), as well as a Purple Rose (ESO 16/07) and a stellar firework (ESO 39/07).
And last but least, at the end of the year, the United Nations passed a resolution proclaiming 2009 the International Year of Astronomy (ESO 54/07).
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