{"paper":{"title":"The Kepler-19 system: a thick-envelope super-Earth with two Neptune-mass companions characterized using Radial Velocities and Transit Timing Variations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.EP","authors_text":"Aldo F. M. Fiorenzano, Aldo S. Bonomo, Alessandro Sozzetti, Andrew Collier Cameron, Andrew Vanderburg, Annelies Mortier, Avet Harutyunyan, Christophe Lovis, Chris Watson, Courtney D. Dressing, Damien S\\'egransan, David Charbonneau, David F. Phillips, David W. Latham, Didier Queloz, Dimitar Sasselov, Don Pollacco, Emilio Molinari, Eric Lopez, Fatemeh Motalebi, Francesco Pepe, Francois Bouchy, Giampaolo Piotto, Giusi Micela, John Asher Johnson, Ken Rice, Lars A. Buchhave, Laura Affer, Luca Borsato, Luca Malavolta, Mercedes Lopez-Morales, Michel Mayor, Pedro Figueira, Rapha\\\"elle D. Haywood, Rosario Cosentino, St\\'ephane Udry, Valentina Granata, Valerio Nascimbeni, Xavier Dumusque","submitted_at":"2017-03-20T18:00:03Z","abstract_excerpt":"We report a detailed characterization of the Kepler-19 system. This star was previously known to host a transiting planet with a period of 9.29 days, a radius of 2.2 R$_\\oplus$ and an upper limit on the mass of 20 M$_\\oplus$. The presence of a second, non-transiting planet was inferred from the transit time variations (TTVs) of Kepler-19b, over 8 quarters of Kepler photometry, although neither mass nor period could be determined. By combining new TTVs measurements from all the Kepler quarters and 91 high-precision radial velocities obtained with the HARPS-N spectrograph, we measured through dy"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1703.06885","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":""},"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"}