StarXiv: a podcast discussing the latest astronomy papers cover art

StarXiv: a podcast discussing the latest astronomy papers

StarXiv: a podcast discussing the latest astronomy papers

By: Michelle and Payel
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About this listen

Hello! Welcome to the StarXiv, hosted by Dr Michelle Collins and Dr Payel Das. This is a biweekly podcast that delves into the latest astronomy papers & results from the arXiv. Michelle and Payel are astronomers at the University of Surrey. They love research, but struggle to find time to read a lot of papers. They’re hoping this podcast fixes that. The beautiful logo is designed by Izzy Gray, a PhD student currently studying at the University of Surrey.

Michelle and Payel
Astronomy Astronomy & Space Science Science
Episodes
  • Episode 22 - ORCs, rings, and Galactic histories
    Oct 13 2025

    In this episode, Payel and Nicole discuss what happens to the metallicity gradient of a satellite galaxy after it merges with its host, the existence of intermediate-age RR lyrae and radio rings, the possibility of determining the history of the inner Milky Way from radially migrated stars, and the possibility of finding more Einstein rings using a new approach that utilises both spectra and images.

    From order to chaos: the blurred out metallicity gradient of the Gaia-Enceladus/Sausage progenitor - Andreia Carillo et al.

    First direct detection of an RR Lyrae star conclusively associated with an intermediate-age cluster - Cecilia Mateu et al.

    RAD@home discovery of extragalactic radio rings and odd radio circles: clues to their origins - Ananda Hota et al.

    A New Way to Discover Strong Gravitational Lenses: Pair-wise Spectroscopic Search from DESI DR1 - Yuan-Ming Hsu et al.

    Chronology of our Galaxy from Gaia colour-magnitude diagram fitting (ChronoGal): IV. On the inner Milky Way stellar age distribution - Tomás Ruiz-Lara et al.

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    37 mins
  • Episode 21 - Mercury, chemistry and quasi periodic eruptions
    Sep 29 2025

    In this episode, Michelle and Nicole discuss merger debris around a distant spiral galaxy, metal-mixing around pop III stars, quasi-periodic eruptions in Ansky, relic galaxies, Mercury's magnetosphere and second generation stars in globular clusters. Listen below, on Spotify, Apple Podcasts or wherever you get your podcasts.

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    38 mins
  • Episode 20 - Dark galaxies, black holes, star formation and life in the faintest galaxies?
    Sep 15 2025

    In this episode of the StarXiv Michelle and Payel talk about very massive and less massive black holes, the possibility of feedback free star formation, dark galaxies, runaway dwarf galaxies and the chance of life in the faintest galaxies.

    Check out the papers below!

    AGN-heated dust revealed in "Little Red Dots - I Delvecchio et al.

    Is feedback-free star formation possible? - A. Ferrara et al.

    The First RELHIC? Cloud-9 is a Starless Gas Cloud - Gangadeep Anand et al.

    An isolated early-type dwarf galaxy that ran away from the group environment - Sanjaya Paudel et al.

    Are Local Group Dwarf Spheroidal Galaxies the First Safe Planet-hosting Environments? - Stefano Ciabattini, Stefania Salvadori, Leonardo Testi

    New gravitational-wave data support a bimodal black-hole mass

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    33 mins
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