Euclid preparation XX. The Complete Calibration of the Color-Redshift Relation survey: LBT observations and data release
- Saglia, Roberto
- De Nicola, S.
- Fabricius, M.
- Guglielmo, V.
- Snigula, J.
- Zöller, R.
- Bender, R.
- Heidt, J.
- Masters, D.
- Stern, D.
- Paltani, S.
- Amara, A.
- Auricchio, N.
- Baldi, M.
- Bodendorf, C.
- Bonino, D.
- Branchini, E.
- Brescia, Massimo
- Brinchmann, J.
- Camera, S.
- Capobianco, V.
- Carbone, C.
- Carretero, J.
- Castellano, M.
- Cavuoti, Stefano
- Cledassou, R.
- Congedo, G.
- Conselice, C.J.
- Conversi, L.
- Copin, Y.
- Corcione, L.
- Courbin, F.
- Cropper, M.
- Da Silva, A.
- Degaudenzi, H.
- Douspis, M.
- Dubath, F.
- Duncan, C.A.J.
- Dupac, X.
- Dusini, S.
- Farrens, S.
- Frailis, M.
- Franceschi, E.
- Galeotta, S.
- Garilli, B.
- Gillard, W.
- Gillis, B.
- Giocoli, C.
- Grazian, A.
- Grupp, F.
- Haugan, Stein Vidar Hagfors
- Hoekstra, H.
- Holmes, W.
- Hormuth, F.
- Hornstrup, A.
- Jahnke, K.
- Kümmel, M.
- Kermiche, S.
- Kiessling, A.
- Kunz, M.
- Kurki-Suonio, Hannu
- Laureijs, R.
- Ligori, S.
- Lilje, Per Barth
- Lloro, I.
- Maiorano, E.
- Marggraf, O.
- Markovic, K.
- Marulli, F.
- Massey, Richard
- McCracken, H.J.
- Melchior, M.
- Meylan, G.
- Moresco, M.
- Moscardini, L.
- Munari, E.
- Niemi, S.M.
- Padilla, C.
- Pasian, F.
- Pedersen, K.
- Percival, W.J.
- Pettorino, V.
- Pires, S.
- Poncet, M.
- Popa, L.
- Pozzetti, L.
- Raison, F.
- Renzi, A.
- Rhodes, J.
- Riccio, G.
- Romelli, E.
- Rossetti, E.
- Sapone, D.
- Sartoris, B.
- Schneider, P.
- Secroun, A.
- Seidel, G.
- Sirignano, C.
- Sirri, G.
- Stanco, L.
- Tallada-Crespí, P.
- Tavagnacco, D.
- Taylor, A.N.
- Tereno, I.
- Toledo-Moreo, R.
- Torradeflot, F.
- Tutusaus, I.
- Valentijn, E.A.
- Valenziano, L.
- Vassallo, T.
- Wang, Y.
- Zacchei, A.
- Zamorani, G.
- Zoubian, J.
- Andreon, S.
- Bardelli, S.
- Graciá-Carpio, J.
- Maino, D.
- Mauri, N.
- Tramacere, A.
- Zucca, E.
- Alvarez Ayllon, A.
- Aussel, H.
- Baccigalupi, C.
- Balaguera-Antolínez, A.
- Ballardini, M.
- Biviano, A.
- Bolzonella, M.
- Bozzo, E.
- Burigana, C.
- Cabanac, R.
- Cappi, A.
- Carvalho, C.S.
- Casas, S.
- Castignani, G.
- Cooray, A.
- Coupon, J.
- Courtois, H.M.
- Davini, S.
- Desprez, G.
- Dole, G.
- Escartin, J.A.
- Escoffer, S.
- Farina, M.
- Fotopoulou, S.
- Ganga, K.
- Garcia-Bellido, J.
- George, K.
- Giacomini, F.
- Gozaliasl, G.
- Hildebrandt, H.
- Hook, I.
- Ilbert, O.
- Kansal, V.
- Kashlinsky, A.
- Keihänen, Elina
- Kirkpatrick, C.C.
- Loureiro, A.
- MacÍas-Pérez, J.
- Magliocchetti, M.
- Mainetti, G.
- Maoli, R.
- Martinelli, M.
- Martinet, N.
- Metcalf, R.B.
- Morgante, G.
- Nadathur, S.
- Nucita, A.A.
- Patrizii, L.
- Popa, V.
- Porciani, C.
- Potter, D.
- Pourtsidou, A.
- Reimberg, P.
- Sánchez, A.G.
- Sakr, Z.
- Schirmer, M.
- Sefusatti, E.
- Sereno, M.
- Stadel, J.
- Teyssier, R.
- Valieri, C.
- Väliviita, Jussi-Pekka
- Veropalumbo, A.
- Viel, M.
DOIAbstract
The Complete Calibration of the Color–Redshift Relation survey (C3R2) is a spectroscopic program designed to empirically calibrate the galaxy color–redshift relation to the Euclid depth (IE = 24.5), a key ingredient for the success of Stage IV dark energy projects based on weak lensing cosmology. A spectroscopic calibration sample that is 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-band spectroscopic campaign carried out using the LUCI instruments at the LBT. For a total of 251 galaxies, we present new highly reliable redshifts in the 1....
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