{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:KDPA4FBVR5LYADE4L7JNDAK2YC","short_pith_number":"pith:KDPA4FBV","schema_version":"1.0","canonical_sha256":"50de0e14358f57800c9c5fd2d1815ac08c5fab860608b5d535fdaa84d2993bdd","source":{"kind":"arxiv","id":"1711.03971","version":1},"attestation_state":"computed","paper":{"title":"DES meets Gaia: discovery of strongly lensed quasars from a multiplet search","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.CO","authors_text":"A. Agnello, A. Amara, A. A. Plazas, A. Benoit-L\\'evy, A. Carnero Rosell, A. Drlica-Wagner, A. More, B. Flaughe, B. Nord, C. B. D'Andrea, C.D. Fassnacht, C. E. Cunha, D. Brooks, D. Gruen, D. J. James, D. L. Burke, D. Tucker, D. W. Gerdes, E. Bertin, E. Buckley-Geer, E. Gaztanaga, E. Sanchez, E. Suchyta, F. B. Abdalla, F. Courbin, F. Menanteau, F. Sobreira, G. Gutierrez, G. Meylan, G. Tarle, H. Lin, I. Sevilla-Noarbe, J. Annis, J. Carretero, J. Frieman, J. Garc\\'ia-Bellido, J. Gschwend, K. Bechtol, K. Glazebrook, K. Honscheid, K. Kuehn, K. Rojas, L. N. da Costa, M. A. G. Maia, M. E. C. Swanson, M. Lima, M. March, M. Schubnel, M. Smith, M. Soares-Santos, M.W. Auger, N. Kuropatkin, N. Morgan, O. Lahav, P.J. Marshall, P.L. Schechter, R. A. Bernstein, R. A. Gruendl, R.G. McMahon, R. L. C. Ogando, R. Miquel, R. Schindler, R. Wechsler, S. Desai, S.H. Suyu, T. Anguita, T. F. Eifler, T. M. C. Abbott, T. Morishita, T. Treu, V. Motta, V. Scarpine","submitted_at":"2017-11-10T19:00:02Z","abstract_excerpt":"We report the discovery, spectroscopic confirmation and first lens models of the first two, strongly lensed quasars from a combined search in WISE and Gaia over the DES footprint.\n  The four-image lensWGD2038-4008 (r.a.=20:38:02.65, dec.=-40:08:14.64) has source- and lens-redshifts $z_{s}=0.777 \\pm 0.001$ and $z_l = 0.230 \\pm 0.002$ respectively. Its deflector has effective radius $R_{\\rm eff} \\approx 3.4^{\\prime\\prime}$, stellar mass $\\log(M_{\\star}/M_{\\odot}) = 11.64^{+0.20}_{-0.43}$, and shows extended isophotal shape variation. Simple lens models yield Einstein radii $R_{\\rm E}=(1.30\\pm0.0"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1711.03971","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2017-11-10T19:00:02Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"fab0eeee7ec8a1e6905d026f11d8fc4ad4fed803cfaac7e283bb7b06f67adf3f","abstract_canon_sha256":"3b4d3e1e21e32711d16cca8912ed1692976abd54620ef5eec314865fed9edc82"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:13:31.371456Z","signature_b64":"TgBUegmfp4wmEHlmrfJ6D1sAwO/70vEm7v+Xi5HBv/4Jz3tuMOBhofQpISYyeZe1LOTpJaS5hNkVSbU3a9IlAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"50de0e14358f57800c9c5fd2d1815ac08c5fab860608b5d535fdaa84d2993bdd","last_reissued_at":"2026-05-18T00:13:31.370893Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:13:31.370893Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"DES meets Gaia: discovery of strongly lensed quasars from a multiplet search","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.CO","authors_text":"A. Agnello, A. Amara, A. A. Plazas, A. Benoit-L\\'evy, A. Carnero Rosell, A. Drlica-Wagner, A. More, B. Flaughe, B. Nord, C. B. D'Andrea, C.D. Fassnacht, C. E. Cunha, D. Brooks, D. Gruen, D. J. James, D. L. Burke, D. Tucker, D. W. Gerdes, E. Bertin, E. Buckley-Geer, E. Gaztanaga, E. Sanchez, E. Suchyta, F. B. Abdalla, F. Courbin, F. Menanteau, F. Sobreira, G. Gutierrez, G. Meylan, G. Tarle, H. Lin, I. Sevilla-Noarbe, J. Annis, J. Carretero, J. Frieman, J. Garc\\'ia-Bellido, J. Gschwend, K. Bechtol, K. Glazebrook, K. Honscheid, K. Kuehn, K. Rojas, L. N. da Costa, M. A. G. Maia, M. E. C. Swanson, M. Lima, M. March, M. Schubnel, M. Smith, M. Soares-Santos, M.W. Auger, N. Kuropatkin, N. Morgan, O. Lahav, P.J. Marshall, P.L. Schechter, R. A. Bernstein, R. A. Gruendl, R.G. McMahon, R. L. C. Ogando, R. Miquel, R. Schindler, R. Wechsler, S. Desai, S.H. Suyu, T. Anguita, T. F. Eifler, T. M. C. Abbott, T. Morishita, T. Treu, V. Motta, V. Scarpine","submitted_at":"2017-11-10T19:00:02Z","abstract_excerpt":"We report the discovery, spectroscopic confirmation and first lens models of the first two, strongly lensed quasars from a combined search in WISE and Gaia over the DES footprint.\n  The four-image lensWGD2038-4008 (r.a.=20:38:02.65, dec.=-40:08:14.64) has source- and lens-redshifts $z_{s}=0.777 \\pm 0.001$ and $z_l = 0.230 \\pm 0.002$ respectively. Its deflector has effective radius $R_{\\rm eff} \\approx 3.4^{\\prime\\prime}$, stellar mass $\\log(M_{\\star}/M_{\\odot}) = 11.64^{+0.20}_{-0.43}$, and shows extended isophotal shape variation. 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