{"paper":{"title":"Mid-infrared characterization of the planetary-mass companion ROXs 42B b","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.EP"],"primary_cat":"astro-ph.SR","authors_text":"Adam Burrows, David Lafreniere, Derek Hand, Eugenio V. Garcia, Jasmin Silva, John H. Debes, Kamen Todorov, Keivan G. Stassun, Ray Jayawardhana, Sebastian Daemgen, Serge Correia, Thayne Currie, Thorsten Ratzka","submitted_at":"2017-02-21T19:04:26Z","abstract_excerpt":"We present new Keck/NIRC2 3$-$5 $\\mu$m infrared photometry of the planetary-mass companion to ROXS 42B in $L^\\prime$, and for the first time in Brackett-$\\alpha$ (Br$\\alpha$) and in $M_\\mathrm{s}$-band. We combine our data with existing near-infrared photometry and $K$-band (2$-$2.4 $\\mu$m) spectroscopy and compare these with models and other directly imaged planetary-mass objects using forward modeling and retrieval methods in order to characterize the atmosphere of ROXS 42B b. ROXS 42B b's 1.25$-$5 $\\mu$m spectral energy distribution most closely resembles that of GSC 06214 B and $\\kappa$ An"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1702.06549","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":""},"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"}