{"paper":{"title":"A sub-Neptune and a non-transiting Neptune-mass companion unveiled by ESPRESSO around the bright late-F dwarf HD 5278 (TOI-130)","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.EP","authors_text":"A. Cabral, A. Mehner, A. S. Bonomo, A. Sozzetti, A. Su\\'arez Mascare\\~no, B. Lavie, C. J . A. P. Martins, C. Lovis, D. Ciardi, D. Ehrenreich, D. M\\'egevand, D. Rodriguez, D.W. Latham, E. Pall\\'e, E. Poretti, F. Bouchy, F. Pepe, G. Lo Curto, G. Micela, G. Ricker, J. D. Twicken, J. Haldemann, J. I. Gonz\\'alez Hern\\'andez, J. Lillo-Box, J. M. Jenkins, J. Otegi, J. Winn, K. G. Stassun, M. Damasso, M. Fasnaugh, M. Oshagh, M. R. Zapatero Osorio, N. C. Santos, N. J. Nunes, P. Di Marcantonio, P. Figueira, P. Molaro, R. Allart, R. Rebolo, S. C. C. Barros, S. Cristiani, S. G. Sousa, S. Seager, S. Udry, T. Barclay, V. Adibekyan, V. D'Odorico, Y. Alibert","submitted_at":"2021-01-28T22:21:33Z","abstract_excerpt":"[Abridged] We exploit the extreme radial velocity (RV) precision of the ultra-stable echelle spectrograph ESPRESSO on the VLT to unveil the physical properties of the transiting sub-Neptune TOI-130 b, uncovered by TESS orbiting the nearby, bright, late F-type star HD 5278 (TOI-130) with a period $P_{\\rm b}=14.3$. We use 43 ESPRESSO high-resolution spectra and broad-band photometry information to derive accurate stellar atmospheric and physical parameters of HD 5278. We exploit the TESS light curve (LC) and spectroscopic diagnostics to gauge the impact of stellar activity on the ESPRESSO RVs. W"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2101.12300","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2101.12300/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"}