Astrophysicist working on dark matter, near-field cosmology, and galaxy formation. All opinions are my own. He/him.
Denis Erkal
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4MOST’s social media account is live! First light expected on October 21st! (1pm UK time) 🔭🧪
Forgot the tags! 🔭☄️🧪
Here’s the Cygnus loop with a Seestar S50. It’s so big that one mosaic won’t fit it so I stitched two of them together. The total exposure is about 4 hours. It would be cool to go even wider and deeper. 🔭
The Arrakihs mission has been adopted as ESA's next F-class mission, with an expected launch in 2030! It will look at the low surface brightness outskirts of 80 Milky Way-like galaxies.
www.esa.int/Science_Expl...
We come with receipts🧾
Tidal tails are cosmic “receipts” of galactic drama, showing who collided with whom. Rubin's camera is sharp enough to catch wind of even the faintest intergalactic tea.
No need to worry about "pics or it didn't happen" with Rubin keeping a close eye 😎 🔭🧪
Honored to receive the 2026 American Physical Society Edward A. Bouchet Award!
To see how the DEI ban in Ohio influences our university, please see the OSU announcement of the award (left) vs the actual APS citation for the award (right).
Stranded in Italy thanks to Air Canada. They say by email that they can't find any flights in the next three days and offer a refund -- ignoring EU 261/2004 regulations that they have to rebook on *any* airline. They do not answer the phone.
AC has absolute contempt for its customers and employees.
Let us name those who should take responsibility for this situation. The senior management of universities failed to negotiate a sustainable system of funding, and then sleep-walked into mess.
But will they be held accountable? Of course not.
www.theguardian.com/education/20...
The European Space Agency’s (ESA) Science Programme Committee has adopted the Arrakihs mission. Planned for launch by the end of 2030, Arrakihs will capture the faint light from nearby galaxy haloes. ...
