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Euclid preparation. XX. The Complete Calibration of the Color-Redshift Relation survey: LBT observations and data release

Saglia, R. and De Nicola, S. and Fabricius, M. and Guglielmo, V and Snigula, J. and Zöller, R. and Bender, R. and Heidt, J. and Masters, D. and Stern, D. and Paltani, S. and Amara, A. and Auricchio, N. and Baldi, M. and Bodendorf, C. and Bonino, D. and Branchini, E. and Brescia, M. and Brinchmann, J. and Camera, S. and Capobianco, V. and Carbone, C. and Carretero, J. and Castellano, M. and Cavuoti, S. and Cledassou, R. and Congedo, G. and Conselice, C. J. and Conversi, L. and Copin, Y. and Corcione, L. and Courbin, F. and Cropper, M. and Da Silva, A. and Degaudenzi, H. and Douspis, M. and Dubath, F. and Duncan, C. A. J. and Dupac, X. and Dusini, S. and Farrens, S. and Frailis, M. and Franceschi, E. and Galeotta, S. and Garilli, B. and Gillard, W. and Gillis, B. and Giocoli, C. and Grazian, A. and Grupp, F. and Haugan, S. V. H. and Hoekstra, H. and Holmes, W. and Hormuth, F. and Hornstrup, A. and Jahnke, K. and Kümmel, M. and Kermiche, S. and Kiessling, A. and Kunz, M. and Kurki-Suonio, H. and Laureijs, R. and Ligori, S. and Lilje, P. B. and Lloro, I. and Maiorano, E. and Marggraf, O. and Markovic, K. and Marulli, F. and Massey, R. and McCracken, H. J. and Melchior, M. and Meylan, G. and Moresco, M. and Moscardini, L. and Munari, E. and Niemi, S. M. and Padilla, C. and Pasian, F. and Pedersen, K. and Percival, W. J. and Pettorino, V. and Pires, S. and Poncet, M. and Popa, L. and Pozzetti, L. and Raison, F. and Renzi, A. and Rhodes, J. and Riccio, G. and Romelli, E. and Rossetti, E. and Sapone, D. and Sartoris, B. and Schneider, P. and Secroun, A. and Seidel, G. and Sirignano, C. and Sirri, G. and Stanco, L. and Tallada-Crespí, P. and Tavagnacco, D. and Taylor, A. N. and Tereno, I. and Toledo-Moreo, R. and Torradeflot, F. and Tutusaus, I. and Valentijn, E. A. and Valenziano, L. and Vassallo, T. and Wang, Y. and Zacchei, A. and Zamorani, G. and Zoubian, J. and Andreon, S. and Bardelli, S. and Graciá-Carpio, J. and Maino, D. and Mauri, N. and Tramacere, A. and Zucca, E. and Alvarez Ayllon, A. and Aussel, H. and Baccigalupi, C. and Balaguera-Antolínez, A. and Ballardini, M. and Biviano, A. and Bolzonella, M. and Bozzo, E. and Burigana, C. and Cabanac, R. and Cappi, A. and Carvalho, C. S. and Casas, S. and Castignani, G. and Cooray, A. and Coupon, J. and Courtois, H. M. and Davini, S. and Desprez, G. and Dole, H. and Escartin, J. A. and Escoffier, S. and Farina, M. and Fotopoulou, S. and Ganga, K. and Garcia-Bellido, J. and George, K. and Giacomini, F. and Gozaliasl, G. and Hildebrandt, H. and Hook, I. and Ilbert, O. and Kansal, V. and Kashlinsky, A. and Keihanen, E. and Kirkpatrick, C. C. and Loureiro, A. and Macías-Pérez, J. and Magliocchetti, M. and Mainetti, G. and Maoli, R. and Martinelli, M. and Martinet, N. and Metcalf, R. B. and Morgante, G. and Nadathur, S. and Nucita, A. A. and Patrizii, L. and Popa, V. and Porciani, C. and Potter, D. and Pourtsidou, A. and Reimberg, P. and Sánchez, A. G. and Sakr, Z. and Schirmer, M. and Sefusatti, E. and Sereno, M. and Stadel, J. and Teyssier, R. and Valieri, C. and Valiviita, J. and Veropalumbo, A. and Viel, M. (2022) Euclid preparation. XX. The Complete Calibration of the Color-Redshift Relation survey: LBT observations and data release. Astronomy and Astrophysics, 664 . Art. No. A196. ISSN 0004-6361. doi:10.1051/0004-6361/202243604. https://resolver.caltech.edu/CaltechAUTHORS:20220916-666150000

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Abstract

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 (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 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 1.3 ≤ z ≤ 1.7 and 2 ≤ z ≤ 2.7 ranges. The newly-determined redshifts populate 49 SOM cells that previously contained no spectroscopic measurements and almost twice the occupation numbers of an additional 153 SOM cells. A final optical ground-based observational effort is needed to calibrate the missing cells, in particular in the redshift range 1.7 ≤ z ≤ 2.7, which lack spectroscopic calibration. In the end, Euclid itself will deliver telluric-free near-IR spectra that can complete the calibration.


Item Type:Article
Related URLs:
URLURL TypeDescription
https://doi.org/10.1051/0004-6361/202243604DOIArticle
ORCID:
AuthorORCID
Saglia, R.0000-0003-0378-7032
Fabricius, M.0000-0002-7025-6058
Snigula, J.0000-0003-4044-5357
Zöller, R.0000-0002-0938-5686
Bender, R.0000-0001-7179-0626
Heidt, J.0000-0002-0320-1292
Masters, D.0000-0001-5382-6138
Stern, D.0000-0003-2686-9241
Paltani, S.0000-0002-8108-9179
Baldi, M.0000-0003-4145-1943
Bonino, D.0000-0002-3336-9977
Branchini, E.0000-0002-0808-6908
Brescia, M.0000-0001-9506-5680
Brinchmann, J.0000-0003-4359-8797
Camera, S.0000-0003-3399-3574
Capobianco, V.0000-0002-3309-7692
Carbone, C.0000-0003-0125-3563
Carretero, J.0000-0002-3130-0204
Castellano, M.0000-0001-9875-8263
Cavuoti, S.0000-0002-3787-4196
Cledassou, R.0000-0002-8313-2230
Congedo, G.0000-0003-2508-0046
Conselice, C. J.0000-0003-1949-7638
Conversi, L.0000-0002-6710-8476
Copin, Y.0000-0002-5317-7518
Corcione, L.0000-0002-6497-5881
Courbin, F.0000-0003-0758-6510
Cropper, M.0000-0003-4571-9468
Dubath, F.0000-0002-6533-2810
Dusini, S.0000-0002-1128-0664
Farrens, S.0000-0002-9594-9387
Franceschi, E.0000-0002-0585-6591
Garilli, B.0000-0001-7455-8750
Giocoli, C.0000-0002-9590-7961
Grupp, F.0000-0001-7300-9303
Hoekstra, H.0000-0002-0641-3231
Jahnke, K.0000-0003-3804-2137
Lilje, P. B.0000-0003-4324-7794
Maiorano, E.0000-0003-2593-4355
Marggraf, O.0000-0001-7242-3852
Marulli, F.0000-0002-8850-0303
Massey, R.0000-0002-6085-3780
Moscardini, L.0000-0002-3473-6716
Raison, F.0000-0002-7819-6918
Rhodes, J.0000-0002-4485-8549
Riccio, G.0000-0001-7020-1172
Toledo-Moreo, R.0000-0002-2997-4859
Valenziano, L.0000-0002-1170-0104
Wang, Y.0000-0002-4749-2984
Zacchei, A.0000-0003-0396-1192
Andreon, S.0000-0002-2041-8784
Graciá-Carpio, J.0000-0003-4689-3134
Zucca, E.0000-0002-5845-8132
Burigana, C.0000-0002-3005-5796
Cabanac, R.0000-0001-6679-2600
Courtois, H. M.0000-0003-0509-1776
Giacomini, F.0000-0002-3129-2814
Gozaliasl, G.0000-0002-0236-919X
Hildebrandt, H.0000-0002-9814-3338
Ilbert, O.0000-0002-7303-4397
Loureiro, A.0000-0002-4371-0876
Metcalf, R. B.0000-0003-3167-2574
Porciani, C.0000-0002-7797-2508
Sánchez, A. G.0000-0003-1198-831X
Sereno, M.0000-0003-0302-0325
Viel, M.0000-0002-2642-5707
Additional Information:The Euclid Consortium acknowledges the European Space Agency and a number of agencies and institutes that have supported the development of Euclid, in particular the Academy of Finland, the Agenzia Spaziale Italiana, the Belgian Science Policy, the Canadian Euclid Consortium, the French Centre National d’Etudes Spatiales, the Deutsches Zentrum für Luft- und Raumfahrt, the Danish Space Research Institute, the Fundação para a Ciência e a Tecnologia, the Ministerio de Ciencia e Innovación, the National Aeronautics and Space Administration, the National Astronomical Observatory of Japan, the Netherlandse Onderzoekschool Voor Astronomie, the Norwegian Space Agency, the Romanian Space Agency, the State Secretariat for Education, Research and Innovation (SERI) at the Swiss Space Office (SSO), and the United Kingdom Space Agency. A complete and detailed list is available on the Euclid web site (http://www.euclid-ec.org). R.S., M.F., V.G., R.B. acknowledge support by the Deutsches Zentrum für Luft- und Raumfahrt (DLR) grant 50 QE 1101. The work of DS was carried out at the Jet Propulsion Laboratory, California Institute of Technology, under a contract with NASA. We thank the staff of the LBT observatory for their support during the mask preparation and the execution of the observations. H. Hildebrandt is supported by a Heisenberg grant of the Deutsche Forschungsgemeinschaft (Hi 1495/5-1) as well as an ERC Consolidator Grant (No. 770935).
Group:Infrared Processing and Analysis Center (IPAC)
Funders:
Funding AgencyGrant Number
European Space Agency (ESA)UNSPECIFIED
Deutsches Zentrum für Luft- und Raumfahrt (DLR)50 QE 1101
Deutsche Forschungsgemeinschaft (DFG)Hi 1495/5-1
NASA/JPL/CaltechUNSPECIFIED
European Research Council (ERC)770935
DOI:10.1051/0004-6361/202243604
Record Number:CaltechAUTHORS:20220916-666150000
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20220916-666150000
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:117033
Collection:CaltechAUTHORS
Deposited By: Olivia Warschaw
Deposited On:25 Oct 2022 21:16
Last Modified:25 Oct 2022 21:16

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