{"paper":{"title":"The Gaia-ESO Survey: open clusters in Gaia-DR1 - a way forward to stellar age calibration","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.SR","authors_text":"A. Bayo, A. Bragaglia, A. Drazdauskas, A. Hourihane, A. Korn, A. Lanzafame, A. Spagna, A. Vallenari, C.C. Worley, C. Jordi, E. Alfaro, E. Franciosini, E. Pancino, E. Tognelli, E. Zari, F. M. Jim\\'enez-Esteban, G. Carraro, G. Gilmore, G. Sacco, G. Tautvai\\v{s}iene, H. Bouy, J. Lewis, L. Bravi, L. Magrini, L. Monaco, L. Morbidelli, L. Prisinzano, L. Sbordone, M. T. Costado, P.G. Prada Moroni, P. Jofr\\'e, P. Re Fiorentin, R.D. Jeffries, R. Jackson, R. Smiljanic, S. Degl'Innocenti, S. Feltzing, S.G. Sousa, S. Koposov, S. Mikolaitis, S. Randich, S. Zaggia, T. Bensby, U. Heiter, V. Roccatagliata","submitted_at":"2017-11-21T10:23:59Z","abstract_excerpt":"We describe the methodologies that, taking advantage of Gaia-DR1 and the Gaia-ESO Survey data, enable the comparison of observed open star cluster sequences with stellar evolutionary models. The final, long-term goal is the exploitation of open clusters as age calibrators. We perform a homogeneous analysis of eight open clusters using the Gaia-DR1 TGAS catalogue for bright members, and information from the Gaia-ESO Survey for fainter stars. Cluster membership probabilities for the Gaia-ESO Survey targets are derived based on several spectroscopic tracers. The Gaia-ESO Survey also provides the "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1711.07699","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"}