2026-07-28T22:08:31Zivo://CDS.VizieR/J/A+A/609/A102025-05-19T09:50:00ZJ.A_AIVOANGC2264 structure and star formation historyReconstructing the structure and history of young clusters is pivotal to understanding the mechanisms and timescales of early stellar evolution and planet formation. Recent studies suggest that star clusters often exhibit a hierarchical structure, possibly resulting from several star formation episodes occurring sequentially rather than a monolithic cloud collapse. We aim to explore the structure of the open cluster and star-forming region NGC 2264 (~3Myr), which is one of the youngest, richest and most accessible star clusters in the local spiral arm of our Galaxy; we link the spatial distribution of cluster members to other stellar properties such as age and evolutionary stage to probe the star formation history within the region. We combined spectroscopic data obtained as part of the Gaia-ESO Survey (GES) with multi-wavelength photometric data from the Coordinated Synoptic Investigation of NGC 2264 (CSI 2264) campaign. We examined a sample of 655 cluster members, with masses between 0.2 and 1.8M_{sun}_ and including both disk-bearing and disk-free young stars. We used Teff estimates from GES and g,r,i photometry from CSI 2264 to derive individual extinction and stellar parameters.open-star-clusterspre-main-sequence-starsyoung-stellar-objectsvisible-astronomysloan-photometryspectroscopystellar-astronomyobservational-astronomyinterstellar-mediuminterdisciplinary-astronomyhttps://dc.g-vo.org/rr/q/lp/custom/CDS.VizieR/J/A+A/609/A10http://doi.org/10.26093/cds/vizier.36090010https://cdsarc.cds.unistra.fr/viz-bin/cat/J/A+A/609/A102018A&A...609A..10Vhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/A+A/609/A10Cone search capability for table J/A+A/609/A10/tableb1 (List of the Gaia-ESO Survey targets in the NGC2264 field and of their CSI 2264 counterpart)Venuti L.Prisinzano L.Sacco G.G.Flaccomio E.Bonito R.Damiani F.,Micela G.Guarcello M.G.Randich S.Stauffer J.R.Cody A.M.,Jeffries R.D.Alencar S.H.P.Alfaro E.J.Lanzafame A.C.Pancino E.,Bayo A.Carraro G.Costado M.T.Frasca A.Jofre P.Morbidelli L.,Sousa S.G.Zaggia S.CDS2017https://cds.unistra.fr/vizier-org/licences_vizier.htmlCDS support team <cds-question@unistra.fr>DatasetAstroObjectsastronomy