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The LOFAR Imaging Cookbook v.22
© Sarrvesh Sridhar Version 22.0 of the LOFAR Imaging Cookbook has been released on January 17, 2018. Since the first version was published a few years ago, the LOFAR imaging cookbook has undergone...
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Colloquium - Learning lots from LoTSS: Getting from visibilities to astrophysics
© Colloquium The immense depth and scale of the LOFAR Two Metre Sky Survey (LoTSS) mean that it will be a fantastic dataset for studying the star-formation and black hole accretion histories of the...
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A new twist in the story of the repeating FRB
© JWTH/ASTRON The Arecibo-discovered FRB 121102 is so far the only Fast Radio Burst (FRB) source known to repeat. It has recently been localized using the VLA and subsequently the EVN to a dwarf host...
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Commodity trading at AAS
© Carole Jackson Betsey Adams and Betsy Mills exchange commodities unrelated to astronomy at the AAS meeting in Washington DC this week. It appears the current exchange rate is one packet of...
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LOFAR4SW Kickoff meeting
© ASTRON The LOFAR for Space Weather (LOFAR4SW) is an EC funded (H2020 INFRADEV) design project. It will deliver the full conceptual and technical design for creating a new leading-edge European...
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400 mm F/13 telescope with built-in Atmospheric Dispersion Corrector
© Rik ter Horst In the coming years the observing conditions for most planets will be unfavorable(*). With elevations of only 15 -25 degrees above the southern horizon, the views will be severely...
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Colloquium - Probing cosmic magnetic fields with observations of high-energy...
© Colloquium The compression and amplification of magnetic fields is a common paradigm in astrophysics wherever matter condenses under gravity, from star formation to the precipitation of the cosmic...
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ALMA observations of AGN fuelling: the case of PKS B1718-649
© ASTRON Active Galactic Nuclei (AGN) are powered by the accretion of material onto the supermassive black hole in the centre of a galaxy. Finding direct evidence of this accretion has proven to be a...
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COBALT2.0 Phase 1 Kickoff meeting
© ASTRON The COBALT correlator and beam-former is the central brain of LOFAR. It receives the signals from the geographically separated LOFAR stations, and combines them in real time such that radio...
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Magnetised, masering methanol molecules
© Image credit: Wolfgang Steffen/Boy Lankhaar et al. (molecules: Wikimedia Commons/Ben Mills) Today Nature Astronomy features an article on the magnetic properties of methanol molecules. As methanol in...
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Online CAMRAS software defined radio 'meteor scatter' receiver.
© CAMRAS Some visitors and ASTRON/JIVE co-workers may have wondered what the recently installed Yagi antennas next to the Dwingeloo Telescope are for. Those aerials are part of the CAMRAS 'Radio...
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Deconvolution
© astropix.nl Not so long ago, the quality of images made by amateur astronomers used to be limited by problems with tracking the sky during long exposures, and keeping the optics focussed. Nowadays,...
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LOFAR4SW - Excellent kickoff meeting
© ASTRON Last week, a very successful LOFAR4SW project kickoff meeting was hosted at ASTRON. Besides a general project overview, all workpackage groups presented their progress and envisaged schedule...
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Discovering a resurrected NASA space probe
© Cees Bassa and Scott Tilley In 2000 NASA launched IMAGE, the Imager for Magnetopause-to-Aurora Global Exploration, into a high Earth orbit to study the Earth's magnetosphere. The spacecraft is shown...
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Goodbye SD&I
© ASTRON Some changes are made in the R&D department, as stated in the daily image of 9 January 2018. As part of those changes we have officially decommissioned the Systems Design and Integration...
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Today's Colloquium - Multi-Messenger EM-GW Astronomy: The View from the Radio...
© NRAO/AUI/NSF: D. Berry With the discovery of gravitational waves and electromagnetic radiation from the binary neutron star merger GW170817, the era of GW multi-messenger astronomy has begun with...
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Catch them young (jong geleerd, is oud gedaan)
© Sieds Damstra and Monique Sluiman As member of the Innovation Cluster Drachten, ASTRON was represented by Sieds Damstra at the First LEGO League Benelux final in Leeuwarden on February 3rd, 2018. In...
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Guest lecture at the Storkschool in Dwingeloo
© Annemieke Janssen On January the 17th, Annemieke gave a guest lecture to 4-5 year old school children at the Storkschool in Dwingeloo. The lecture was an initiative of VHTO (Vrouwen Hoger Technisch...
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JIVE Director handover event
© JIVE A few snaps of the recent ceremony that marked the promulgation of the new JIVE Director. The picture top-left shows the old Director handing over a device for achieving the necessary Helicopter...
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