{"paper":{"title":"The HD 260655 system: Two rocky worlds transiting a bright M dwarf at 10 pc","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["physics.space-ph"],"primary_cat":"astro-ph.EP","authors_text":"A. Howard, A. P. Hatzes, A. Quirrenbach, A. Reiners, A. Schweitzer, A. Shporer, A. W. Boyle, B. J. Fulton, C. Hellier, D. Charbonneau, D. Fischer, D. Kossakowski, D. Montes, D. Pollacco, D. R. Ciardi, D. W. Latham, E. B. Ting, E. Pall\\'e, F. J. Pozuelos, G. Anglada-Escud\\'e, G. Bergond, G. Morello, G. R. Ricker, G. W. Henry, H. Isaacson, I. Ribas, J. A. Caballero, J. G. Winters, J. J. Lissauer, J. Kemmer, J. Lillo-Box, J. M. Jenkins, J. N. Winn, J. Orell-Miquel, J. Sanz-Forcada, J. Villase\\~nor, K. G. Stassun, K. Hesse, K. Molaverdikhani, L. A. Rogers, L. Pe\\~na-Mo\\~nino, L. Tal-Or, M. Everett, M. Kunimoto, M. P\\'erez-Torres, M. R. Zapatero Osorio, M. Schlecker, N. Espinoza, P. Gorrini, P. J. Amado, R. C. Kidwell Jr., R. Luque, R. Vanderspek, S. B. Howell, S. Dreizler, S. Dufoer, S. Khalafinejad, S. Reffert, S. R. Kane, S. Seager, S. Stock, S. Vanaverbeke, S. V. Jeffers, Th. Henning, T. Trifonov, V. J. S. B\\'ejar, Y. Shan","submitted_at":"2022-04-21T17:01:13Z","abstract_excerpt":"We report the discovery of a multi-planetary system transiting the M0 V dwarf HD 260655 (GJ 239, TOI-4599). The system consists of at least two transiting planets, namely HD 260655 b, with a period of 2.77 d, a radius of R$_b$ = 1.240$\\pm$0.023 R$_\\oplus$, a mass of M$_b$ = 2.14$\\pm$0.34 M$_\\oplus$, and a bulk density of $\\rho_b$ = 6.2$\\pm$1.0 g cm$^{-3}$, and HD 260655 c, with a period of 5.71 d, a radius of R$_c$ = 1.533$^{+0.051}_{-0.046}$ R$_\\oplus$, a mass of M$_c$ = 3.09$\\pm$0.48 M$_\\oplus$, and a bulk density of $\\rho_c$ = 4.7$^{+0.9}_{-0.8}$ g cm$^{-3}$. The planets were detected in tr"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2204.10261","kind":"arxiv","version":3},"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/2204.10261/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"}