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Is this the SLOWEST pulsar ever found?! Or something else...?

AD - Go to https://ground.news/drbecky to stay fully informed with the latest Space and Science news. Subscribe through my link to get 40% off the Vantage plan for unlimited access this month only. | Neutron stars are some of the most extreme objects in the universe that we can see - the only thing you can get more extreme is a black hole. And when we find neutron stars, they tend to be spinning faster than once a second! Which is why this month when a paper by Caleb and collaborators was published reporting on the discovery of a possible neutron star with pulses of radio light detected once every 54 minutes, the entire astronomy community, went, wait? what? Is it really a pulsar? Spinning that slowly? Or is it something else? Whatever this thing is, it’s WEIRD, and not what we expect to find at all. Caleb et al. (2024; discovery of ASKAP J1935+2148) - https://www.nature.com/articles/s4155... Caleb et al. (2022; discovery of 76 second period pulsar) - https://arxiv.org/pdf/2206.01346 March et al. (2016; discovery of AR Scorpi white dwarf pulsar) - https://arxiv.org/pdf/1607.08265 00:00 - Introduction 01:49 - Ground News 03:40 - How Caleb and collabs found this object known as ASKAP J1935+2148 06:01 - What are its properties including its slow spin 07:57 - What it could be? neutron star, white dwarf or something else? 11:35 - Bloopers Video filmed on a Sony ⍺7 IV --- 🎧 Royal Astronomical Society Podcast that I co-host: podfollow.com/supermassive --- 📚 My new book, "A Brief History of Black Holes", out NOW in paperback, e-book and audiobook (which I narrated myself!): http://lnk.to/DrBecky --- 📚 "The Year In Space" celebrating all things space in 2022 from me and the rest of the Supermassive Podcast team: https://geni.us/jNcrw --- 👕 My new merch, including JWST designs, are available here (with worldwide shipping!): https://dr-becky.teemill.com/ --- 🔔 Don't forget to subscribe and click the little bell icon to be notified when I post a new video! --- 👩🏽‍💻 I'm Dr. Becky Smethurst, an astrophysicist at the University of Oxford (Christ Church). I love making videos about science with an unnatural level of enthusiasm. I like to focus on how we know things, not just what we know. And especially, the things we still don't know. If you've ever wondered about something in space and couldn't find an answer online - you can ask me! My day job is to do research into how supermassive black holes can affect the galaxies that they live in. In particular, I look at whether the energy output from the disk of material orbiting around a growing supermassive black hole can stop a galaxy from forming stars. http://drbecky.uk.com https://rebeccasmethurst.co.uk