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astro-ph.SR2024
SDSS J100711.74+193056.2: A Candidate Common Motion Substellar Companion to the Nearest B-Type Star Regulus
Eric E. Mamajek, Adam J. Burgasser
The L9 dwarf SDSS J100711.74+193056.2 is situated 7.5 north of the nearest B-type star Regulus (d = 24.3+-0.2 pc), part of a stellar quadruplet. The object is at similar…
astro-ph.SR2024
Extending the ALMA Census of Circumstellar Disks in the Upper Scorpius OB Association
John M. Carpenter, Taran L. Esplin, Kevin L. Luhman +2
We present ALMA Band 7 continuum (340 GHz) and CO J=3-2 observations for an extended sample of disks in the Upper Scorpius OB Association (Upper Sco, age ~ 10 Myr). The targets wer…
astro-ph.EP2024
TOI-1685 b is a Hot Rocky Super-Earth: Updates to the Stellar and Planet Parameters of a Popular JWST Cycle 2 Target
Jennifer A. Burt, Matthew J. Hooton, Eric E. Mamajek +12
We present an updated characterization of the TOI-1685 planetary system, which consists of a P = 0.69\,day USP super-Earth planet orbiting a nearby ( = 37.6\,pc) M2.5…