{"paper":{"title":"Lens mass estimate in the Galactic disk extreme parallax microlensing event Gaia19dke","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.GA","astro-ph.IM"],"primary_cat":"astro-ph.SR","authors_text":"A. Cassan, A. Fukui, A. Garofalo, A. Popowicz, A. Simon, A. S{\\l}owikowska, A. Stankevi\\v{c}i\\=ut\\.e, B. Joachimczyk, C. Galdies, D. E. Reichart, E. Bachelet, E. Pak\\v{s}tien\\.e, E. Sonbas, F. Cusano, F. Dubois, G. Damljanovic, H. H. Esenoglu, I. Gezer, I. Izviekova, J. Heidt, J. K. T. Qvam, J. M. Carrasco, J. M. Olszewska, J. Wambsganss, J. W. Davidson, J. Zdanavi\\v{c}ius, K. A. Rybicki, K. B\\k{a}kowska, K. Howil, K. Kami\\'nski, K. Kruszy\\'nska, K. \\v{S}i\\v{s}kauskait\\.e, Lithuania), {\\L}. Wyrzykowski, M. Bronikowski, M. Dominik, M. Gromadzki, M. Hundertmark, M. Jab{\\l}o\\'nska, M.K. Kami\\'nska, M. Maskoli\\=unas (Vilnius University, M. Poli\\'nska, M. Radziwonowicz, M. Ratajczak, M. Sitek, M. Stojanovic, M. \\.Zejmo, N. Ihanec, N. Nakhatutai, O. Kvaratskhelia, O. Michniewicz, P. J. Miko{\\l}ajczyk, P. Sivak, P. Zieli\\'nski, R. Adomavi\\v{c}ien\\.e, R. Figuera Jaimes, R. Janulis, R. Ohsawa, R. P. Boyle, R. W. Wilson, S. Awiphan, S. Kaptan, S. Littlefair, S. M. Brincat, S. Vanaverbeke, S. Zola, T. Butterley, T. G\\\"uver, T. Kvernadze, U. Burgaz, U. Pylypenko, V. Bozza, V. Godunova, V. S. Dhillon, V. \\v{C}epas, W. Og{\\l}oza, Y. Tsapras, Z. Kaczmarek","submitted_at":"2023-09-06T19:06:45Z","abstract_excerpt":"We present the results of our analysis of Gaia19dke, an extraordinary microlensing event in the Cygnus constellation that was first spotted by the {\\gaia} satellite. This event featured a strong microlensing parallax effect, which resulted in multiple peaks in the light curve. We conducted extensive photometric, spectroscopic, and high-resolution imaging follow-up observations to determine the mass and the nature of the invisible lensing object. Using the Milky Way priors on density and velocity of lenses, we found that the dark lens is likely to be located at a distance of $D_L =(3.05^{+4.10}"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2309.03324","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2309.03324/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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"}