Two Bright M Dwarfs Hosting Ultra-Short-Period Super-Earths with Earth-like Compositions

We present observations of two bright M dwarfs (TOI-1634 and TOI-1685: $J=9.5-9.6$) hosting ultra-short period (USP) planet candidates, identified by the TESS mission. The two stars are similar in temperature, mass, and radius, and the planet candidates are both super-Earth-sized ($1.25\,R_\oplus

Keywords:

• Light curve
• Astrophysics
• Radius
• Ephemeris
• Photometry (astronomy)
• context
• Stars
• Physics
• Radial velocity
• Planet

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