Astrophysical: Young star clusters

  • Publication
    Clues to Substellar Formation: Rotation and the Low-Mass End of the Initial Mass Function

    We have monitored S Ori 45, a young, low-mass (20 M j up) brown dwarf of the σ Orionis cluster (˜3 Myr, 352 pc), using optical and near-infrared filters. S Ori...

  • Publication
    Hubble Space Telescope Observations of Tadpole Galaxies Kiso3867, SBS0, SBS1, and UM461

    Tadpole galaxies are metal-poor dwarfs with typically one dominant star-forming region, giving them a head-tail structure when inclined. A metallicity drop in...

  • Publication
    TESS Hunt for Young and Maturing Exoplanets (THYME). VII. Membership, Rotation, and Lithium in the Young Cluster Group-X and a New Young Exoplanet

    The public, all-sky surveys Gaia and TESS provide the ability to identify new young associations and determine their ages. These associations enable study of...