{"paper":{"title":"Euclid preparation: XX. The Complete Calibration of the Color-Redshift Relation survey: LBT observations and data release","license":"http://creativecommons.org/licenses/by-sa/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"A. Alvarez Ayllon, A. Amara, A.A. Nucita, A. Balaguera-Antol\\'inez, A. Biviano, A. Cappi, A. Cooray, A. Da Silva, A. Grazian, A.G. S\\'anchez, A. Hornstrup, A. Kashlinsky, A. Kiessling, A. Loureiro, A.N. Taylor, A. Pourtsidou, A. Renzi, A. Secroun, A. Tramacere, A. Veropalumbo, A. Zacchei, B. Garilli, B. Gillis, B. Sartoris, C.A.J. Duncan, C. Baccigalupi, C. Bodendorf, C. Burigana, C. Carbone, C.C. Kirkpatrick, C. Giocoli, C.J. Conselice, C. Padilla, C. Porciani, C.S. Carvalho, C. Sirignano, C. Valieri, D. Bonino, D. Maino, D. Masters, D. Potter, D. Sapone, D. Stern, D. Tavagnacco, E.A. Valentijn, E. Bozzo, E. Branchini, E. Franceschi, E. Keihanen, E. Maiorano, E. Munari, E. Romelli, E. Rossetti, E. Sefusatti, Euclid Collaboration: R. Saglia, E. Zucca, F. Courbin, F. Dubath, F. Giacomini, F. Grupp, F. Hormuth, F. Marulli, F. Pasian, F. Raison, F. Torradeflot, G. Castignani, G. Congedo, G. Desprez, G. Gozaliasl, G. Mainetti, G. Meylan, G. Morgante, G. Riccio, G. Seidel, G. Sirri, G. Zamorani, H. Aussel, H. Degaudenzi, H. Dole, H. Hildebrandt, H. Hoekstra, H.J. McCracken, H. Kurki-Suonio, H.M. Courtois, I. Hook, I. Lloro, I. Tereno, I. Tutusaus, J.A. Escartin, J. Brinchmann, J. Carretero, J. Coupon, J. Garcia-Bellido, J. Graci\\'a-Carpio, J. Heidt, J. Mac\\'ias-P\\'erez, J. Rhodes, J. Snigula, J. Stadel, J. Valiviita, J. Zoubian, K. Ganga, K. George, K. Jahnke, K. Markovic, K. Pedersen, L. Conversi, L. Corcione, L. Moscardini, L. Patrizii, L. Popa, L. Pozzetti, L. Stanco, L. Valenziano, M. Baldi, M. Ballardini, M. Bolzonella, M. Brescia, M. Castellano, M. Cropper, M. Douspis, M. Fabricius, M. Farina, M. Frailis, M. K\\\"ummel, M. Kunz, M. Magliocchetti, M. Martinelli, M. Melchior, M. Moresco, M. Poncet, M. Schirmer, M. Sereno, M. Viel, N. Auricchio, N. Martinet, N. Mauri, O. Ilbert, O. Marggraf, P. B. Lilje, P. Reimberg, P. Schneider, P. Tallada-Cresp\\'i, R. Bender, R. B. Metcalf, R. Cabanac, R. Cledassou, R. Laureijs, R. Maoli, R. Massey, R. Teyssier, R. Toledo-Moreo, R. Z\\\"oller, S. Andreon, S. Bardelli, S. Camera, S. Casas, S. Cavuoti, S. Davini, S. De Nicola, S. Dusini, S. Escoffier, S. Farrens, S. Fotopoulou, S. Galeotta, S. Kermiche, S. Ligori, S.M. Niemi, S. Nadathur, S. Paltani, S. Pires, S.V.H. Haugan, T. Vassallo, V. Capobianco, V. Guglielmo, V. Kansal, V. Pettorino, V. Popa, W. Gillard, W. Holmes, W.J. Percival, X. Dupac, Y. Copin, Y. Wang, Z. Sakr","submitted_at":"2022-06-03T15:00:55Z","abstract_excerpt":"The Complete Calibration of the Color-Redshift Relation survey (C3R2) is a spectroscopic programme designed to empirically calibrate the galaxy color-redshift relation to the Euclid depth (I_E=24.5), a key ingredient for the success of Stage IV dark energy projects based on weak lensing cosmology. A spectroscopic calibration sample as representative as possible of the galaxies in the Euclid weak lensing sample is being collected, selecting galaxies from a self-organizing map (SOM) representation of the galaxy color space. Here, we present the results of a near-infrared H- and K-bands spectrosc"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2206.01620","kind":"arxiv","version":3},"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/2206.01620/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"}