ASTRON is committed to making its website accessible, in accordance with Directive (EU) 2016/2102 of the European Parliament and of the Council.

This accessibility statement applies to the website

Body making the statement

Netherlands Institute for Radio Astronomy (ASTRON)
Oude Hoogeveensedijk 4
7991 PD Dwingeloo
The Netherlands


Compliance status

This website is compliant with the WCAG 2.0 and WCAG 2.1 standards. 

WCAG 2.0

The website is 100% compliant with the criteria of the WCAG 2.0 standard at the applicable A and AA levels, as follows:

  • 100% compliance with A-level criteria
  • 100% compliance with AA-level criteria

WCAG 2.1

The website is compliant with the criteria of the WCAG 2.1 standard at the applicable A and AA levels, as follows:

  • 100% compliance with the A-level criteria
  • 100% compliance with the AA-level criteria

Third-part content

  • Twitter timeline: on certain pages (such as the home page), ASTRON gives access to its Twitter timeline. The code displayed and its formatting cannot be altered by ASTRON. This content is covered by the derogation for third-party content.
  • YouTube videos are embedded within the site, and these may present certain shortcomings.

Right to compensation

Users who encounter difficulties in consulting one of these documents or videos are asked to contact so that they can be provided with an accessible version of the requested document as soon as possible.

Preparation of this accessibility statement

This statement was prepared on 8 November 2021.

Technical information on site development and accessibility verification tests

Technologies used for site development

  • HTML5
  • CSS
  • JavaScript

User agents and assistive technologies used to check content accessibility

Screen reader support tests for the rich components were carried out on the following combinations:

  • Firefox 69.1 / NVDA 2019
  • Microsoft Edge 95.0.1020.44 and JAWS 2018

Feedback and contact information

Please help us to improve content accessibility by using the contact address below to let us know of any problems you may experience or to request access to inaccessible information or documents. We will get back to you as soon as possible.

Enforcement procedure

Should you encounter a problem with accessibility that prevents you from accessing content or a feature on the site, and should you inform us and not receive a satisfactory response from us within a reasonable timeframe, you are entitled to make a complaint to the European Ombudsman:

European Ombudsman
1 avenue du Président Robert Schuman
CS 30403

Latest tweets

This week is #Pride Week. A more #diverse workforce fuels creativity, compassion, understanding, and the feeling of kinship and inclusion. At ASTRON we highly value diversity and make constant efforts to increase the diversity of our workforce.

Op 7 en 14 augustus staan we voor het @DrentsMuseum, dat de #Nebraschijf, een van de oudste sterrenkaarten ter wereld tentoonstelt. ASTRON-onderzoeker @AndreOffringa geeft binnen een lezing en wij doen voor het museum wat leuke proefjes. Hopelijk tot dan!

A great discovery, in which our own @shivibhandari was involved!

The Indian #GMRT joined forces with the #EVN, among which ASTRON’s Westerbork telescope. The combined efforts of the telescopes synthesized a radio telescope with #baselines no less than ~6,000 km length, and a resolution of 3-10 milliarcseconds!
#VLBI #radioastronomy #baseline