Clik here to view.
Slicing through Jupiter's cloudy veil
© (not copyrighted) Jupiter, king (and, appropriately, largest) of the planets, is only outshone in the night sky by Venus and the Moon. Optically (color image) what we see is the outermost Jovian...
View ArticleClik here to view.
Testing APERTIF DCU boards
© ASTRON In April 2016, the last batch of WSRT/APERTIF DCU boards was delivered. The DC Power tests were done by the assembling company. To allow automatic testing, monitoring IC's were implemented on...
View ArticleClik here to view.
A rare example of low surface-brightness radio lobes in a gas-rich...
© Astron Every galaxy has a super massive black hole (a hundred million times as heavy as the Sun) in its centre. However, astronomers are left with the big puzzle of why some of these black holes are...
View ArticleClik here to view.
SKA-TSM environmental test
© Hiddo Hanenburg 14 July 2016 these SKA-TSM Dipole antenna's were placed on the testfield in the backyard of ASTRON. This marks the start of an environmental test of the materials and the design....
View ArticleClik here to view.
Another low frequency array in the Netherlands
© Eric Kooistra This low frequency antenna array operates at 16.10 to 16.25 MHz, but it is not related to Lofar or Astron, and not even to radio astronomy. It is owned by Rijkswaterstaat, the Dutch...
View ArticleClik here to view.
AENEAS H2020 project on SKA Regional Centres approved
© ASTRON Last Thursday, we received good news from the European Commission that the H2020 proposal AENEAS, which ASTRON is leading, has been accepted and will now enter into grant negotiations. AENEAS...
View ArticleClik here to view.
Bikers had fun at ASTRON-JIVE tour.
© Harm-Jan Stiepel In collaboration with Anne Veendijk and Edwin Stuut, the ASTRON-JIVE PV organized a motorcycle tour on 22 April. Fourteen motorcycle fanatics toured under a sunny sky through the...
View ArticleClik here to view.
A glitch in a millisecond pulsar
© James McKee, Gemma Janssen In the hunt for low-frequency gravitational waves, the European Pulsar Timing Array (EPTA) collaboration is always looking for more data to include in their timing...
View ArticleClik here to view.
Giethoorn invasion by ASTRON/JIVE astronomers.
© Benito Marcote , Liying Wei It is well-known that astronomers usually avoid crowded places, and hide behind their computers to stare at images and codes, or hide in labs to test for instance the new...
View ArticleClik here to view.
SKA SDP: Face-to-Face meeting on Malta
© Van Diepen & Broekema During the first week of July, the members of the SKA Science Data Processor (SDP) consortium met on Malta for a week to discuss progress and to look forward and plan the...
View ArticleClik here to view.
Arcsecond-resolution LBA image of 4C 43.15, a radio galaxy at z=2.4.
© L. Morabito, A. Deller, H. Rottgering, et al. Using the International Low Frequency Array (LOFAR) Low Band Antenna we achieved sub-arcsecond imaging resolution at 55 MHz with VLBI techniques. The...
View ArticleClik here to view.
LOFAR universe
© Hiddo Hanenburg LOFAR surprises everyday. This time it does so with a new "universe" of colorful lichen! It was found on the antenna head located in the testfield in the ASTRON backyard.
View ArticleClik here to view.
Subtle Disincentives
© Madroon Community Consultants (MCC) It is not actually forbidden to drive your car over the old road across the Dwingelerveld to ASTRON, it is just gently discouraged. Of course, some people then...
View ArticleClik here to view.
ASTRON/JIVE summer students visit WSRT and LOFAR
© Cees Bassa On July 18, the ASTRON/JIVE summer students visited the WSRT and LOFAR telescopes. They were joined by the Leiden/ESA Astrophysics Program for Summer Students (LEAPS), with whom they...
View ArticleClik here to view.
''Super-sequence'': Emission Patches from PSR B0809+74 at the Low Frequencies
© Xiaoxi Song, Vlad Kondratiev, Anya Bilous My summer project focused on single-pulse analysis of PSR B0809+74 using LOFAR Low Band Antennas. While analysing single-pulse spectra, we spotted a distinct...
View ArticleClik here to view.
First light for ARTS, the new radio transient system at the WSRT.
© Yogesh Maan and Roy Smits The Apertif Radio Transient System (ARTS) is an advanced and real-time backend for time-domain studies with Apertif. It is being designed specifically to detect Fast Radio...
View ArticleClik here to view.
LOFAR wandeling
© streekblad Apart from being a major astronomical instrument, LOFAR also presents an amazing sight, set in an unusual landscape. And, as with everything, you appreciate it more as you know more about...
View ArticleClik here to view.
HIZOA J0836-43: A Remarkable HI Massive Galaxy
© Anoj Khadka HIZOA J0836-43 is an HI massive galaxy hidden by the galactic dust and Vela supernova remnant in the southern sky. Its high star formation rate (SFR ~20MΘ/yr) combined with the huge HI...
View ArticleClik here to view.
Best of luck Adam!
© ASTRON As most of you know, Adam Deller will be leaving ASTRON at the end of the month and returning to Australia to take up a prestigious Future Fellowship at Swinburne University of Technology. In...
View ArticleClik here to view.
Searching for gravitational wave radio counterparts with LOFAR
© Anjali Piette, Antonia Rowlinson, Jess Broderick With the two recent gravitational wave (GW) detections from Advanced LIGO - GW150914 and GW151226; both binary black hole mergers - this is an...
View Article