PDRA Opportunity

PDRA Stellar Astrophysics – Armagh Observatory and Planetarium Armagh Observatory and Planetarium (AOP) invites applications for a Postdoctoral Research Fellow in Stellar Astrophysics.  The successful applicant will work with Professor Simon Jeffery on a programme entitled “helium-rich subluminous stars and connections in stellar evolution”. The context for this programme is Read more…

Cheops and TOI-178

It’s easy to forget that it was only 25 years ago that the first planet around another Sun-like star was discovered. Since then, research into ‘exoplanets’ has become one of the most active areas of astronomy, with links being made with groups working on theoretical models of how planetary systems Read more…

Rare Stars – PHL 417 and the V366 Aquariids

By Prof. Simon Jeffery Enter the name ‘PHL 417’ in the public database which tells you nearly everything known about nearly every star in the sky, and you will find an almost blank entry.  It is enigmatically identified as a ‘Blue object’ of the 17th magnitude, or about 200,000 times fainter than the faintest stars visible to the naked eye. It has no other names, and no scientific Read more…