{"paper":{"title":"Deconstructing double-barred galaxies in 2D and 3D. I. Classical nature of the dominant bulges","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"2, 3), (3) Universidad de La Laguna, 4, (4) University of Oxford, 5), (5) Department of Astrophysical Sciences, (6) INAF Osservatorio Astronomico di Brera, 7) ((1) School of Physics, (7) Dipartimento di Fisica e Astronomia G. Galilei, A. de Lorenzo-C\\'aceres (1, Astronomy, B. Thorne (1, Italy, Italy), J. M\\'endez-Abreu (1, L. Costantin (6, Peyton Hall, Princeton University, Spain, UK, UK (2) Instituto de Astrof\\'isica de Canarias, Universita di Padova, University of St Andrews, USA","submitted_at":"2019-01-09T11:38:29Z","abstract_excerpt":"We present here a thorough photometric analysis of double-barred galaxies, consisting of i) two-dimensional photometric decompositions including a bulge, inner bar, outer bar, and (truncated) disc; and ii) three-dimensional statistical deprojections to derive the intrinsic shape of bulges, inner bars, and outer bars. This is the first time the combination of both techniques is applied to a sample of double-barred galaxies. It represents a step forward with respect to previous works, which are based on properties of the integrated light through ellipse fitting and unsharp masking. In this first"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1901.02684","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"}