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Youngest Brown Dwarf Yet in a Multiple Stellar System

21 de Julio de 2000: Astronomers are eager to better understand the formation of stars and planets - with an eye on the complex processes that lead to the emergence of our own solar system some 4600 million years ago. Brown Dwarfs (BDs) play a special role in this context. Within the cosmic zoo, they represent a class of "intermediate" objects. While they are smaller than normal stars, they shine by their own energy for a limited time, in contrast to planets. Recent observations with the ESO Very Large Telescope (VLT) of a "young" Brown Dwarf in a multiple stellar system are taking on a particular importance in this connection. An evaluation of the new data by an international team of astronomers [1] shows that it is by far the youngest of only four such objects found in a stellar system so far. The results are now providing new insights into the stellar formation process.

eso0022 — Nota de prensa

Portugal to Accede to ESO

27 de Junio de 2000: The Republic of Portugal will become the ninth member state of the European Southern Observatory (ESO) [1]. Today, during a ceremony at the ESO Headquarters in Garching (Germany), a corresponding Agreement was signed by the Portuguese Minister of Science and Technology, José Mariano Gago and the ESO Director General, Catherine Cesarsky, in the presence of other high officials from Portugal and the ESO member states (see the video eso0022a in this release). Following subsequent ratification by the Portuguese Parliament of the ESO Convention and the associated protocols [2], it is foreseen that Portugal will formally join this organisation on January 1, 2001.

eso0021 — Nota de prensa

Paranal Impressions

16 de Junio de 2000: The main construction phase at the ESO Paranal Observatory is now over and normal operations have begun with two of the four 8.2-metre Unit Telescopes, ANTU and KUEYEN. The next major event will be the installation of the first astronomical instrument, VIMOS (VIsible MultiObject Spectrograph), at the third telescope, MELIPAL. "First Light" for the fourth telescope, YEPUN will follow later this year. The present collection of 29 photos illustrates the current state of the VLT site. They have been divided by theme into five sections that may be accessed by clicking on the corresponding images above.

eso0020 — Nota de prensa

With the VLT Interferometer towards Sharper Vision

24 de Mayo de 2000: European science and technology will gain further strength when the new, front-line Nova-ESO VLTI Expertise Centre (NEVEC) opens in Leiden (The Netherlands) this week. It is a joint venture of the Netherlands Research School for Astronomy (NOVA) (itself a collaboration between the Universities of Amsterdam, Groningen, Leiden, and Utrecht) and the European Southern Observatory (ESO). It is concerned with the Very Large Telescope Interferometer (VLTI).

eso0018 — Nota de prensa

Unveiling the Secret of a Virgo Dwarf Galaxy

3 de Mayo de 2000: Dwarf galaxies may not be as impressive in appearance as their larger brethren, but they are at least as interesting from a scientific point of view. And sometimes they may have hidden properties that will only be found by means of careful observations, probing the signals of their stars at the faintest level. Such as the entirely unexpected, well developed spiral structure within an otherwise seemingly normal dwarf elliptical galaxy! This is the surprise result of a new study by a team of astronomers [1], headed by Helmut Jerjen from the Australian National University (Canberra) who obtained detailed observations with the ESO Very Large Telescope (VLT) of the dwarf galaxy IC 3328 in the Virgo Cluster of Galaxies, some 50 million light-years away.

eso0017 — Nota de prensa

"Physics on Stage" Trailer

2 de Mayo de 2000: This Video Clip is issued on the web in conjunction with the "Physics On Stage" programme that is part of the European Week for Science and Technology and will culminate in a Science Festival during November 6-11, 2000, on the CERN premises at the French-Swiss border near Geneva.

eso0019 — Nota de prensa

Exoplanets Galore!

15 de Abril de 2000: The intensive and exciting hunt for planets around other stars ("exoplanets") is continuing with great success in both hemispheres. Today, a team of astronomers of the Geneva Observatory [1] are announcing the discovery of no less than eight new, very-low mass companions to solar-type stars. The masses of these objects range from less than that of planet Saturn to about 15 times that of Jupiter.

eso0016 — Nota de prensa

"Portugal - ESO - VLT"

13 de Abril de 2000: A special Workshop "Portugal - ESO - VLT" will be held at the Lisbon University Museum of Science on April 17-18, 2000. It is primarily directed towards young Portuguese scientists and will inform them about the ESO Very Large Telescope (VLT) and the many exciting research possibilities with this new facility. The Workshop is accompanied by a public exhibition about ESO and its telescopes , as well as a Press Conference on April 17 with participation of the Portuguese Minister of Science and Technology and the ESO Director General. A public lecture will be given about ESO and the VLT on April 18.

eso0015 — Nota de prensa

First Visiting Astronomers at VLT KUEYEN

13 de Abril de 2000: Starting in the evening of April 1, 2000, Ghislain Golse and Francisco Castander from the Observatoire Midi-Pyrénées (Toulouse, France) [1] were the first "visiting astronomers" at Paranal to carry out science observations with the second 8.2-metre VLT Unit Telescope, KUEYEN. Using the FORS2 multi-mode instrument as a spectrograph, they measured the distances to a number of very remote galaxies, located far out in space behind two clusters of galaxies. Such observations may help to determine the values of cosmological parameters that define the geometry and fate of the Universe.

eso0014 — Nota de prensa

First Light for ASTROVIRTEL Project

10 de Abril de 2000: Astronomical data archives increasingly resemble virtual gold mines of information. A new project, known as ASTROVIRTEL aims to exploit these astronomical treasure troves by allowing scientists to use the archives as virtual telescopes.

eso0013 — Nota de prensa

UVES Analyses the Universe: A First Portfolio of Most Promising Results

6 de Abril de 2000: Astronomers working with a major new instrument at the ESO Very Large Telescope (VLT) at the Paranal Observatory have had a first taste of what is bound to become a research bonanza. Recent test observations with the Ultraviolet-Visual Echelle Spectrograph (UVES) have demonstrated the exceptional science potential of this powerful facility.

eso0012 — Nota de prensa

Major Conference about Astronomical Technology in Munich

16 de Marzo de 2000: Which are the latest astronomical discoveries made with the new 8-10 metre class astronomical telescopes? Will it be possible to construct even more powerful instruments on the ground and in space to explore the near and distant Universe at all wavelengths from gamma-rays to radio waves? Which research areas in this dynamical science are likely to achieve break-throughs with emerging new technologies?

eso0011 — Nota de prensa

ALMA Partners Award Prototype Antenna Contracts in Europe and the USA

14 de Marzo de 2000: The European and U.S. partners in the Atacama Large Millimeter Array (ALMA) project have awarded contracts to firms in Italy and the USA, respectively, for two prototype antennas. [1] ALMA is a planned telescope array, expected to consist of 64 millimeter-wave antennas with 12-meter diameter dishes. The array will be built at a high-altitude, extremely dry mountain site in Chile's Atacama desert, and is scheduled to be completed sometime in this decade.

eso0010 — Nota de prensa

Discovery of Molecular Gas Shells around the Unusual Galaxy Centaurus A

14 de Marzo de 2000: Recent observations by an international team of astronomers [1] with the 15-metre Swedish-ESO Submillimetre Telescope at the La Silla observatory (Chile) have shown that the unusual, nearby galaxy Centaurus A is surrounded by shells in which carbon monoxide molecules are present. These new exciting results are the first of their kind. In addition to the intrinsic scientific value of this discovery, it also provides an instructive example of what will become possible for more distant galaxies with the projected Atacama Large Millimeter Array (ALMA), now in the planning phase.

eso0009 — Nota de prensa

CERN, ESA and ESO Launch "Physics On Stage"

1 de Marzo de 2000: Physics is everywhere . The laws of physics govern the Universe, the Sun, the Earth and even our own lives. In today's rapidly developing society, we are becoming increasingly dependent on high technology – computers, transport, and communication are just some of the key areas that are the result of discoveries by scientists working in physics. But how much do the citizens of Europe really know about physics? Here is a unique opportunity to learn more about this elusive subject!

eso0008 — Nota de prensa

Britain Approaches ESO about Installation of Major New Telescope at Paranal

23 de Febrero de 2000: The Executive Board of the UK Visible and Infrared Survey Telescope (VISTA) project announced today [1] that it is aiming at the installation of a new and powerful astronomical telescope at the ESO Paranal Observatory (Chile).

eso0007 — Nota de prensa

Fine Shades of a Sombrero

23 de Febrero de 2000: In addition to their scientific value, many of the exposures now being obtained by visiting astronomers to ESO's Very Large Telescope (VLT) are also very beautiful. This is certainly true for this new image of the famous early-type spiral galaxy Messier 104, widely known as the "Sombrero" (the Mexican hat) because of its particular shape.

eso0006 — Nota de prensa

Into the Epoch of Galaxy Formation

17 de Febrero de 2000: Working with the ESO Very Large Telescope (VLT) at the Paranal Observatory, a group of European astronomers [1] has just obtained one of the deepest looks into the distant Universe ever made by an optical telescope. These observations were carried out in the near-infrared spectral region and are part of an attempt to locate very distant galaxies that have so far escaped detection in the visual bands. The first results are very promising and some concentrations of galaxies at very large distances were uncovered.

eso0005 — Nota de prensa

Next VLT Instrument Ready for the Astronomers

8 de Febrero de 2000: The commissioning of the FORS2 multi-mode astronomical instrument at KUEYEN , the second FOcal Reducer/low dispersion Spectrograph at the ESO Very Large Telescope, was successfully finished today. This important work – that may be likened with the test driving of a new car model – took place during two periods, from October 22 to November 21, 1999, and January 22 to February 8, 2000.

eso0004 — Nota de prensa

And Then There Were Three...!

28 de Enero de 2000: This was a night to remember at the ESO Paranal Observatory! For the first time, three 8.2-metre Very Large Telescopes (VLTs) were observing in parallel, with a combined mirror surface of nearly 160 metres squared. In the evening of January 26, the third 8.2-metre Unit Telescope, MELIPAL ("The Southern Cross" in the Mapuche language), was pointed to the sky for the first time and successfully achieved "First Light". During this night, a number of astronomical exposures were made that served to evaluate provisionally the performance of the new telescope. The ESO staff expressed great satisfaction with MELIPAL and there were broad smiles all over the mountain.

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