{"paper":{"title":"VELOcities of CEpheids (VELOCE) I. High-precision radial velocities of Cepheids","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.SR","authors_text":"Andreas Postel, Anne Thoul, Aur\\'elien Wyttenbach, Berry Holl, David V. Martin, Gert Raskin, Giordano Viviani, Hans Van Winckel, Henryka E. Netzel, Ji\\v{r}\\'i Z\\'ak, Kateryna Kravchenko, Laurent Eyer, Lisa L\\\"obling, Lovro Palaversa, Maroussia Roelens, Martin Millon, Mauricio Cruz Reyes, Maxime Marmier, Micha{\\l} Pawlak, Nami Mowlavi, Pedro Figueira, P\\'eter I. P\\'apics, Richard I. Anderson, Saniya Khan, Saskia Prins, Sergi Blanco-Cuaresma, Shreeya S. Shetye, Sophie Saesen, Vivien Bonvin, Zoi T. Spetsieri","submitted_at":"2024-04-18T15:54:48Z","abstract_excerpt":"This first VELOCE data release comprises 18,225 high-precision RV measurements of 258 bona fide classical Cepheids on both hemispheres collected mainly between 2010 and 2022, alongside 1161 additional observations of 164 other stars. The median per-observation RV uncertainty is 0.037 km/s, and some reach 0.002 km/s. Non-variable standard stars characterize RV zero-point stability and provide a base for future cross-calibrations. We determined zero-point differences between VELOCE and 31 literature data sets using template fitting and measured linear period changes of 146 Cepheids. Seventy six "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2404.12280","kind":"arxiv","version":2},"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/2404.12280/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"}