Category Archives: Uncategorized

Transient science with LOFAR at Onsala after the Chameleon pulsar discovery

The first LOFAR paper to make the pages of Science is about the bizarre pulsar PSR B0943+10, whose unexpected changes of state in both radio and X-rays are showing us that we really don’t understand pulsar magnetospheres. You can read … Continue reading

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Supermassive black hole inflates giant bubble: LOFAR’s view of M87

The galaxy M87 as seen by LOFAR (radio emission is show in yellow/orange, visible light in blue/white). At the centre, the brightest radio emission shows where the jet powered by the supermassive black hole is located. Credit: Francesco de Gasperin, … Continue reading

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LOFAR unravels a colliding galaxy cluster

Galaxy cluster Abell 2256: a cosmic collision on a huge scale. Credit: ASTRON/R. J. van Weeren An international team of astronomers has used the International LOFAR Telescope to study the formation of the galaxy cluster Abell 2256. This cluster of … Continue reading

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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. See complete press release at Onsala … Continue reading

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Inaugurated: Onsala’s LOFAR station

On Monday 26 September 2011, Sweden’s minister for Education and Science Jan Björklund inaugurated Sweden’s part of the International LOFAR telescope. Hans Olofsson introduces the minister to a LOFAR HBA antenna while other guests look on. (Credit: Onsala Space Observatory/Jan-Olof … Continue reading

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Swedes make world’s largest telescope bigger (Chalmers press release)

The 192 radio antennas that make up Onsala’s LOFAR station cover an area the size of a soccer pitch. Credit: Onsala Space Observatory/Leif Helldner On Monday 26 september, Sweden’s Minister for Education and Research, Jan Björklund, will open Onsala Space … Continue reading

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Education minister to open Onsala’s LOFAR station (Chalmers press release)

The Swedish LOFAR station will be opened in September by education minister and deputy prime minister Jan Björklund. The inauguration ceremony, which will take place at Onsala Space Observatory on 26 September 2011, will mark the opening of the country’s … Continue reading

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Onsala’s LOFAR station: ready for the universe

We now have a finished field of LBA antennas and the station is already complete. Leif will doubtless update with the facts and figures. In the meantime, this is a picture I took yesterday afternoon of the new LBA field … Continue reading

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Installation Week #4

  HBA field is finally installed, last tile placed June 22 2011. All the tools have been sent to the next installation site, which starts a week from now at Kilpisjärvi, Finland. All LBA meches have been placed, and 69 LBA … Continue reading

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Installation Week #3

73 tiles installed, 24 more to go next week 192 markers positioned for LBA antennas 47 LBA meshes placed and anchored Four LBA antennas erected The fence installation have started,  and now two meter high fence poles is surrounding the … Continue reading

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