Clik here to view.
Before Saying Cheese
© Ronald Halfwerk The annual ASTRON and JIVE mid-summer barbecue took place on 29 June 2017. This was a nice occasion to make a group photo of all staff working in Dwingeloo. So we gathered in front of...
View ArticleClik here to view.
Testing Gemini LRU
© ASTRON / CSIRO The daily image of today shows Gemini LRU (Line Replaceable Unit). This is the successor of Gemini POC (Proof Of Concept) which can be seen in the daily image of 01-05-2017...
View ArticleClik here to view.
Watercolor LOFAR
© Map tiles by Stamen Design, under CC BY 3.0. Data by OpenStreetMap, under CC BY SA. Here's a picture of the LOFAR core on top of the Stamen Watercolor basemap. This is a trivial extension of the...
View ArticleClik here to view.
Peak spectrum sources and galaxy evolution: Modeling gigahertz-peaked...
© n/a Gigahertz-peaked spectrum (GPS) radio sources are a type of active galactic nuclei (AGN) that can morphologically resemble tiny versions of powerful, lobed radio galaxies. Due to their small...
View ArticleClik here to view.
Group photo, take 2
© - As pretty as the Astron garden is, in the middle of a National Park, I thought the group photo might look a little more heroic in front of the Hubble Deep Field.
View ArticleClik here to view.
Maturation
© CASA In November 1991, a group of people representing most of the major radio telescopes in the world met at the Parkes Radio Observatory in Australia, to plan for the joint development of a new data...
View ArticleClik here to view.
ASTRON/JIVE Summer Students Exploring Westerbork
© Public use Last month the ASTRON/JIVE summer students got to explore the Westerbork Radio Synthesis Telescope (WSRT). The ASTRON/JIVE summer student program is designed to give...
View ArticleClik here to view.
Hanny's Voorwerp revisited
© astropix.nl Ten years ago, school teacher Hanny van Arkel discovered a mysterious object near galaxy IC2497 while participating in a project called Galaxy Zoo. She visited ASTRON in November 2008....
View ArticleClik here to view.
The parsec-scale jet of a young gamma-ray bright AGN
© Yennifer Angarita, Robert Schulz, Jay Blanchard Strong radio and gamma-ray emission are characteristics of active galactic nuclei (AGN) which are commonly attributed to blazars and radio galaxies....
View ArticleClik here to view.
Hoisting the antenna
© Peter Maat, Roel Witvers, Rick Kloosterman, Lesley Goudbeek Even though many people are enjoying the summer holidays right now, work continues at ASTRON. At the R&D department, the nanophotonics...
View ArticleClik here to view.
IE613 joins regular LOFAR operations
© RO / SOS group With the successful construction and opening of the Irish LOFAR station at Birr Castle, IE613 has been added to the LOFAR system and participates in commissioning observations. The...
View ArticleClik here to view.
Perseid Meteor Shower
© Chen Xie Annual Perseid Meteor Shower! This year, I am finally living in the middle of nowhere to see the famous meteor shower. Last weekend, summer students and their supervisors were coming...
View ArticleClik here to view.
Jet kinematics of NGC 660
© Ilse van Bemmel, Jay Blanchard, Megan Argo, Avni Parmar NGC 660 is a polar ring galaxy around 44 million light years away from Earth, located in constellation Pisces. Polar ring galaxies are rare...
View ArticleClik here to view.
Maser Bowshocks in a Water Fountain Outflow: A Case of IRAS 18043-2116
© Ann Njeri Ross Burns Gabor Orosz The transition of AGBs into Planetary Nebulae (PN) represents the last stage of the stellar evolution. However, there is a significant change in the morphology from a...
View ArticleClik here to view.
3c196 Flanking Field
© LOFAR EoR Collaboration Four Hundred Million years since the start of time, the Dark Ages of the Universe ended with the birth of the first generation stars. These stars ionized the surrounding...
View ArticleClik here to view.
Interactive LOFAR Map
© V. Moss This interactive LOFAR map began as a learning tool that I built while attempting to become familiar with the various stations that make up LOFAR and where they are distributed across Europe...
View ArticleClik here to view.
In Memoriam: Johanna Noordam (1946-2017)
© Wedding Photography Haarlem Today we mourn the passing of a great woman, who has become very special to our little community of astronomers. Many a bewildered foreigner, lost and lonely in the cold,...
View ArticleClik here to view.
MeasurementSet
© Casacore As described in the AJDI of August 11th, the AIPS++ project has delivered several highly valued components. One such component is the MeasurementSet, which nowadays is the de facto standard...
View ArticleClik here to view.
A LOFAR/MSSS view of extended radio sources
© n/a So far, only about 80 clusters were discovered hosting diffused radio emission, such as radio halos, radio relics, and radio mini-halos (Kale er al. 2016). Those diffuse emissions are not...
View ArticleClik here to view.
MeerLICHT installed!
© MeerLICHT team In the past months the BlackGem team worked hard to install its prototype MeerLICHT at the South Africa Astronomical Observatory in Sutherland. MeerLICHT will be twinned to the MeerKAT...
View Article