『StarXiv: a podcast discussing the latest astronomy papers』のカバーアート

StarXiv: a podcast discussing the latest astronomy papers

StarXiv: a podcast discussing the latest astronomy papers

著者: Michelle and Payel
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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
天文学 天文学・宇宙科学 科学
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  • Episode 16 - interstellar visitors, molten planets and faint, dark galaxies
    2025/07/21

    In this episode, Michelle and Payel squash in more papers than ever, as Michelle delves into a flurry of papers about new newly discovered interstellar comet: 3I/ATLAS. They also discuss what sets the metallicities of the faintest galaxies, how nitrogen enrichment relates to gas density, the molten properties of a new ultra-short period planets, and how to find 'dak' galaxies!

    Find the papers we discuss in this episode below!

    What Sets the Metallicity of Ultra-Faint Dwarfs? - Vance Wheeler et al

    CLASSY XIV: Nitrogen Enrichment Shaped by Gas Density and Feedback - Karla C. Arellano-Cordova et al.

    Where are all the dark galaxies? Predicting galaxy/halo locations from their bright neighbors - Alice Chen & Niayesh Afshordi

    An Earth-Sized Planet in a 5.4h Orbit Around a Nearby K dwarf - Kaya Han Tas et al.

    From a Different Star: 3I/ATLAS in the context of the Åtautahi-Oxford interstellar object population model - Matthew J. Hopkins et al.

    Interstellar comet 3I/ATLAS: discovery and physical description - Bryce T. Bolin et al.

    Initial VLT/MUSE spectroscopy of the interstellar object 3I/ATLAS - Cyielle Opitom et al.

    Discovery and Preliminary Characterization of

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    36 分
  • Episode 15 – Flare-inducing planets, avoiding catastrophe, and accreted star clusters
    2025/07/07

    This episode, Michelle is back and she and Payel discuss long period pulsars, population III galaxies, latent variables in Galactic archaeology, accreted globular clusters, planets that cause their star to flare and avoiding photo0z catastrophes.

    Check out the papers we discussed this episode below!

    Metal-polluted PopIII galaxies and How to Find Them – Elka Rusta et al.

    Close-in planet induces flares on its host star – Ekaterina Ilin et al.

    Accreted Globular Clusters and Horizontal Branch Morphology in the Outer Halo of M31 – Gracie McGill et al.

    A binary origin of ultra-long period radio pulsars – Ying-Han Mao et al.

    Avoiding (photo-z) Catastrophe – A. J. Battisti et al.

    Causal Discovery of Latent Variables in Galactic Archaeology – Zehao Jin et al.

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    39 分
  • Episode 14 - A cosmic owl, misaligned planetary systems, and the Milky Way as an outlier
    2025/06/23

    In this episode, we had Payel and Nicole filling in for Michelle who’s away on holiday. Nicole is a PhD student, also at the University of Surrey Astrophysics research group. They discuss the direct detection of HI beyond the local universe, how the Milky Way seems unusually cold, a planetary system with two misaligned planets, detecting stars of common origin through the ratio of alpha elements produced through hydrostatic channels to those produced through explosive ones, twin collisional-ring galaxies, and the impact of the initial mass function on chemical evolution at high redshift.

    Read this episode's papers through the links below!

    MIGHTEE-HI: The direct detection of neutral hydrogen in galaxies at z>0.25 - Matt J. Jarvis et al.

    Stellar Velocity Dispersion versus Age: Consistency across Observations and Simulations, with the Milky Way as an Outlier - Fiona McCluskey et al.

    JWST Coronagraphic Images of 14 Her c: a Cold Giant Planet in a Dynamically Hot, Multi-planet System - Daniella C. Bardalez Gagliuffi et al.

    Hydrostatic and explosive α-element chemical abundances of Milky Way globular clusters, halo substructures, and satellite galaxies - Danny Horta and Melissa Ness

    The Cosmic Owl: Twin Active Collisional Ring Galaxies with Starburst Merging Front at z=1.14 - Mingyu Li et al.

    Impact of initial mass function on the chemical evolution of high-redshift galaxies - Boyuan Liu et al.

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    39 分
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