{"paper":{"title":"Evidence for mass accretion driven by spiral shocks onto the white dwarf in SDSS J123813.73-033933.0","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"A. Aungwerojwit, A. F. Pala, B. Monard, B. T. G\\\"ansicke, C. Knigge, D. de Martino, D. E. Reichart, D. M. Townsley, E. Breedt, F.-J. Hambsch, G. Myers, G. Poyner, J. D. Landstreet, J. J. Hermes, L. Wang, M. R. Schreiber, P. Godon, P. Nelson, P. Szkody, R. Pickard, R. Stubbings, S. G. Parsons, T. R. Marsh, V. S. Dhillon","submitted_at":"2018-11-14T19:00:03Z","abstract_excerpt":"We present high-time-resolution photometry and phase-resolved spectroscopy of the short-period ($P_\\mathrm{orb} = 80.52\\,\\mathrm{min}$) cataclysmic variable SDSS J123813.73-033933.0, observed with the $\\mathit{Hubble}$ $\\mathit{Space}$ $\\mathit{Telescope}$ $\\mathit{(HST)}$, the $\\mathit{Kepler/K2}$ mission and the Very Large Telescope (VLT). We also report observations of the first detected super-outburst. SDSS J1238-0339 shows two types of variability: quasi-regular brightenings recurring every $\\simeq 8.5$ h during which the system increases in brightness by $\\simeq 0.5$mag, and a double hum"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1811.05981","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"}