Episode 6 - Einstein rings, black holes, and ringed galaxies

In this episode, Payel and Michelle delve into the arXiv and discuss standard sirens, gravitational lenses, a very metal poor stellar stream and a cosmic bullseye!Candidate intermediate-mass black hole discovered in an extremely young low-metallicity cluster in the tadpole galaxy KUG 1138+327 – Wang & OttSpinning spectral sirens: Robust cosmological measurement using mass-spin correlations in the binary black hole population – Hui et alEuclid: A complete Einstein ring in NGC 6505 – C. M. O’Riordan et al.The Pristine survey: XXVIII. The extremely metal-poor stream C-19 stretches over more than 100 degrees – Zhen Yuan et alUnveiling a 36 Billion Solar Mass Black Hole at the Centre of the Cosmic Horseshoe Gravitational Lens – Melo-Carneiro et al.The Bullseye: HST, Keck/KCWI, and Dragonfly Characterization of a Giant Nine-Ringed Galaxy – Imad Pasha et al.