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Dome Open Users Platform Event: where science and SME's meet
© Dome, original design by Freepik Today, ASTRON is hosting a special Dome event where a select group of entrepreneurs and knowledge institutes will challenge the Dome team to help them overcome...
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LOFAR discovers largest carbon atoms outside our Milky Way
© Leah Morabito (Background Image credit: J. Gallagher, M. Mountain, and P. Puxley) An international team of astronomers, led by Leah Morabito (Leiden Observatory) and involving ASTRON astronomer...
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Calibratability Fundamentals (1): Apparent source statistics
© Stefan Wijnholds There is a convenient rule-of-thumb that says that, when the sensitivity of a (radio) telescope increases with a factor n (e.g. n=10), roughly n times more sources become visible...
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Today's colloquium: Conducting the deepest all-sky radio pulsar survey: The...
© C. Ng (MPIfR), et al. The extreme conditions found in and around pulsars make them fantastic natural laboratories, providing insights into a rich variety of aspects of fundamental physics and...
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Tackling the puzzle of pulsar emission with LOFAR
© MP We analyzed LOFAR observations of a sample of 100 radio pulsars (Pilia et al., submitted to A&A). LOFAR offers the unique capability of observing pulsars in a mostly unexplored range of...
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A Dwarf in Detail
© Erwin de Blok A few months ago the AG organised a workshop on making pretty pictures from astronomical data. This workshop was given by Jayanne English from the University of Manitoba and who used to...
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Another pretty picture of LOFAR
© Madroon Community Consultants (MCC) To be downloaded, e.g. for inclusion in your presentations. Just right-click the image.
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Today's Colloquium: BlackHoleCam: Zooming in onto the Galactic Center Black Hole
© Heino Flacke Black holes are supposed to power the nuclei of galaxies. The best place to test this paradigm is the Galactic center. Here a compact radio source, Sgr A*, with a mass of 4 Million solar...
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APERTIF successfully passed its Critical Design Review
© ASTRON, 2014 Over the last couple of years, the detailed design of APERTIF was performed. Several challenges have been overcome, such as the design of very low-noise room temperature amplifiers, the...
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MFAA analog beamformer testboard
© ASTRON Presented here is a testboard, hosting the 2013 Mid Frequency Aperture Array (MFAA) beamformer-chip (BFC), designend by Obs. de Nancay, France. NXP in Caen(Fr), provided the QUBIC4Xi bchip...
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LOFAR station DE609 (Hamburg) extending the ILT
© Nico Ebbendorf The construction of the 9th international LOFAR station, known as DE609-Hamburg is nearing completion. After an extended period of looking for a suitable location, and some negotiation...
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Today's colloquium: Formation of neutron stars: Ultra-stripped supernovae and...
© David A. Hardy/AstroArt.org Mass transfer from a helium star to a compact companion in a close binary can produce an ultra-stripped core (in some cases an almost naked metal core, barely above the...
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Philae's landing - today, live in the auditorium!
© ESA / ASTRON Today (12 November 2014) the Philae spacecraft will attempt a landing on the Comet 67P/Churyumov-Gerasimenko - the image above shows the prime landing site, "Agilkia" and landing...
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The Low Noise Tile's Reproducibility and averaged results
© ASTRON In our series of daily images on the progress of the Low Noise Tile (LNT) project (also see the AJDI of 21-03-2014 and that of 26-05-2014), we now present the results for a tile of one square...
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SKA MFAA frontend review meeting
© UMAN On 5 and 6 Nov, the SKA Mid Frequency Aperture Array (MFAA) consortium organised its second face-to-face FrontEnd Workpackage design review meeting (the first was a year ago at ASTRON, as part...
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Today's colloquium: But wait! There's more!: A wealth of science from...
© Picture courtesy of Matt Schmachtenberg, from JMU's 'The Breeze' Pulsars are some of astrophysics' most exotic objects. We currently know of about 2300 pulsars in our Galaxy, but a small subset of...
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Released version 15.0 of the LOFAR Imaging Cookbook
© Roberto Pizzo On November 4 2014, version 15.0 of the LOFAR Imaging Cookbook has been released. The first version of the manual was published more than 4 years ago, when the first LOFAR commissioners...
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The lonely life of PSR J1745-2900
© Bower, O'Leary et al. Radio pulsars are born in the supernova explosions that dramatically mark the death of massive stars. The Galactic Centre environment is teeming with massive stars, which means...
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The deepest look of the WSRT
© Astron Today's Daily Image represents one of the posters submitted to the Astronomy Pretty Poster Pageant 2014 (see 1-Aug-2014, 12-Sep-2014, 15-Sep-2014, 30-Sep-2014 and 17-Oct-2014). It shows the...
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Sinterklaas, the Children's Friend
© ASTRON PV Today is the traditional St Nicolas (Sinterklaas) party for the children of ASTRON, JIVE, NOVA and DOME employees. Just like his offshoot Santa Claus, Sinterklaas brings presents for all...
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