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[News article]

April 30, 2013

Herschel's last star

ESA's Herschel Space Observatory, the largest telescope ever flown in space, ended its mission on 29 April 2013 when the telescope ran out of helium coolant. Kay Justtanont, astronomer at Chalmers and Onsala Space Observatory, is the project leader for what turned out to be Herschel's very last observations.

[News article]

February 12, 2013

Summer school at Onsala space observatory "Molecules in space" 25/6-2/7 2013

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January 24, 2013

Best ever measurement of how the universe has cooled since the Big bang

Astronomers have put the Big bang theory through a tough new test - by measuring the temperature of the universe when it was half as old as it is now.

[News article]

December 07, 2012

Kirsten Kraiberg Knudsen one of the first Wallenberg Academy Fellows

Kirsten Kraiberg Knudsen, astronomer at Chalmers, has been selected as a Wallenberg Academy Fellow.

[News article]

July 23, 2012

APEX takes part in sharpest observation ever

An international team of astronomers, including researchers from Onsala Space Observatory, has observed the heart of a distant quasar with unprecedented sharpness, two million times finer than human vision. The observations, made by connecting the Atacama Pathfinder Experiment (APEX) telescope to two others on different continents for the first time, is a crucial step towards the dramatic scientific goal of the "Event Horizon Telescope" project: imaging the supermassive black holes at the centre of our own galaxy and others.

[News article]

July 02, 2012

Galaxy harbours many star-snacking black holes

Astronomers have found evidence of hundreds of black holes in a galaxy 250 million light years away. The discovery, made with a worldwide network of radio telescopes, gives scientists a new way to find out how black holes are created.

[News article]

June 29, 2012

Sweden joins global radio telescope project

Onsala Space Observatory, representing Sweden, has been formally accepted as a member of the international consortium which will design the Square Kilometre Array (SKA). When it is completed, the SKA will be the world's largest and most advanced radio telescope. Among its aims is to answer fundamental questions about the universe and Earth's place in it.

[News article]

June 11, 2012

Pictures from a space observatory

Impressive telescopes usually take centre stage in photographs of Onsala Space Observatory. Maarit Mustonen found other traces of space at the observatory.

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June 05, 2012

Giant telescope ALMA to be upgraded with Swedish technology

Before its construction is even completed, the new telescope ALMA is embarking on an upgrade - with state-of-the-art technology from Chalmers and Onsala Space Observatory. The upgrade to the giant telescope in Chile will help astronomers to investigate the earliest galaxies and to search for water in other planetary systems.

[News article]

May 23, 2012

LOFAR unravels colliding galaxy cluster

An international team of astronomers has used the International LOFAR Telescope to study the formation of the galaxy cluster Abell 2256. This cluster of hundreds of galaxies, 800 million light years distant, turns out to be more complex than expected.

[News article]

May 09, 2012

First instrument for the JWST is completed and handed over to NASA

After more than 10 years of work by more than 200 engineers, the Mid InfraRed Instrument (MIRI) has been declared ready for delivery by the European Space Agency and NASA. MIRI, an instrument for the James Webb Space Telescope (JWST) is a pioneering camera and spectrometer, so sensitive it could see a candle on one of Jupiter's moons. It will now be shipped to NASA's Goddard Space Flight Center where it will be integrated with the other three instruments and the telescope. The handover ceremony in London today is the culmination of a long term collaboration effort from teams in two continents and 11 countries, among them Sweden.

[News article]

April 24, 2012

Onsala Space Observatory receives SEK 29 million for new telescopes

Part of this year's Knut and Alice Wallenberg Foundation grant will help finance two new radio telescopes at the Onsala Space Observatory.

[News article]

March 29, 2012

Onsala Space Observatory's spring programme 2012

Onsala Space Observatory has a packed programme of activities for spring 2012, continuing on into the autumn.

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March 27, 2012

Herschel confirms shortage of O2 in space

The Herschel Space Observatory has carried out the best measurements so far of oxygen molecules in space. The new measurements confirm the discovery by the satellite Odin in 2007 that there is far less molecular oxygen in interstellar space than astronomers had expected.

[News article]

March 22, 2012

A red giant's magnetic secret revealed

Astronomers have for the first time measured the shape of a red giant star's magnetic field. Their new method can help explain how our sun will transform itself in a few billion years from now.

[News article]

January 10, 2012

LOFAR presents first science and starts All-Sky Survey

Scientists from the International LOFAR Telescope (ILT) today announced the kick-off of the project's first all-sky survey at low radio frequencies and its first open call for observing proposals from the international astronomical community.

[News article]

January 05, 2012

Boost for European radio astronomy

The European radio astronomy collaboration, RadioNet, has been awarded 9.5 million Euro (85 million SEK) by the European Commission for the years 2012 to 2015. Onsala Space Observatory is one of 27 partner organizations in RadioNet, working together in observations, research and development with world-class instruments.

[News article]

December 06, 2011

ALMA receiver showcased in Brussels

Onsala Space Observatory is represented at this week's Innovation Convention in Brussels by a state-of-the-art receiver for the ground-breaking observatory ALMA.

[News article]

November 01, 2011

Most famous black hole has bad table manners

Our galaxy's most famous black hole, Cygnus X-1, ejects matter while eating. New simultaneous observations in radio waves and X-rays shed light on how black holes form their remarkable jets.

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Last modified: November 01, 2011
Responsible for this page: Robert Cumming

Department of Earth and Space Sciences
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Guided tours

Nordic ALMA Regional Centre node

Call for proposals (APEX and OSO 20 m telescope)
Deadline: 15 April 2013.

Summer course "Molecules in space"
25 June - 2 July 2013

Nordic Science with ALMA
29-31 May 2013

ONSALA SPACE OBSERVATORY - SE-439 92 ONSALA, SWEDEN - TEL: +46 (0)31-772 5500