I am a postdoctoral researcher studying quasars, highly luminous black hole systems. I also help to develop the LOFAR-VLBI pipeline which powers the highest resolution astronomical imaging at low frequencies. I am currently working at Leiden Observatory in the Netherlands. You can view my research publications here - ADS Search.

Contact me at jwpetley(at)gmail.com or petley(at)strw.leidenuniv.nl

I have several blogs on this website based on my PhD research and small programming projects. Please get in contact for any project ideas, job enquiries or just to have a chat about black holes or programming.

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