Validation and Mass Measurement of Two New Ultra-Short-Period Planets from TESS
Ultra-short-period planets (USPs) offer a unique laboratory for studying planetary composition and star-planet interactions. Because they experience high irradiation, these worlds are often stripped of their envelopes, revealing dense, rocky, or even iron-rich cores. In this work, we present the validation and characterization of two new USP candidates discovered by TESS. By performing a joint analysis of TESS photometry and high-precision radial velocities from HARPS-N and CARMENES, we derive precise masses and radii for both systems.
Authors
- T. Masseron (ORCID: https://orcid.org/0000-0002-6939-0831)
- F. Murgas (ORCID: https://orcid.org/0000-0001-9087-1245)
- Ε. Πάλλη (ORCID: https://orcid.org/0000-0003-0987-1593)
- G. Lacedelli (ORCID: https://orcid.org/0000-0002-4197-7374)
- I. Carleo (ORCID: https://orcid.org/0000-0002-0810-3747)
- J. Orell-Miquel (ORCID: https://orcid.org/0000-0003-2066-8959)
- G. Nowak (ORCID: https://orcid.org/0000-0002-7031-7754)
- S. Geraldía-González (ORCID: https://orcid.org/0009-0002-5545-3034)
- CARMENES Consortium
Institutions
- Nicolaus Copernicus University (PL)
- Osservatorio Astrofisico di Torino (IT)
- Instituto de Astrofísica de Canarias (ES)
- The University of Texas at Austin (US)
Publication Details
- Journal
- Zenodo (CERN European Organization for Nuclear Research)
- Published
- 2026-06-12
- DOI
- https://doi.org/10.5281/zenodo.20652134
- Primary Topic
- Astrophysics and Star Formation Studies
- Type
- article
- Field-Weighted Citation Impact
- 0.00