Standard
Euclid Preparation. XIV. The Complete Calibration of the Color-Redshift Relation (C3R2) Survey : Data Release 3. / Stanford, S. A.; Masters, D.; Darvish, B.; Stern, D.; Cohen, J. G.; Capak, P.; Hernitschek, N.; Davidzon, I.; Rhodes, J.; Sanders, D. B.; Mobasher, B.; Castander, F. J.; Paltani, S.; Aghanim, N.; Amara, A.; Auricchio, N.; Balestra, A.; Bender, R.; Bodendorf, C.; Bonino, D.; Branchini, E.; Brinchmann, J.; Capobianco, Daniela; Carbone, C.; Carretero, J.; Casas, R.; Castellano, M.; Cavuoti, S.; Cimatti, A.; Cledassou, R.; Conselice, C. J.; Corcione, L.; Costille, A.; Cropper, M.; Degaudenzi, H.; Douspis, M.; Dubath, F.; Dusini, S.; Fosalba, P.; Frailis, M.; Franceschi, E.; Franzetti, P.; Fumana, M.; Garilli, B.; Giocoli, C.; Grupp, F.; Haugan, S. V. H.; Hoekstra, H.; Holmes, W.; Hormuth, F.; Hudelot, P.; Jahnke, K.; Kiessling, A.; Kilbinger, M.; Kitching, T.; Kubik, B.; Kuemmel, M.; Kunz, M.; Kurki-Suonio, H.; Laureijs, R.; Ligori, S.; Lilje, P. B.; Lloro, Ivan; Maiorano, E.; Marggraf, O.; Markovic, K.; Massey, R.; Meneghetti, M.; Meylan, G.; Moscardini, L.; Niemi, S. M.; Padilla, C.; Pasian, F.; Pedersen, K.; Pettorino, V.; Pires, S.; Poncet, M.; Popa, L.; Pozzetti, L.; Raison, F.; Roncarelli, M.; Rossetti, E.; Saglia, R.; Scaramella, R.; Schneider, P.; Secroun, A.; Seidel, G.; Serrano, S.; Sirignano, C.; Sirri, G.; Taylor, A. N.; Teplitz, H.; Tereno; Toledo-Moreo, R.; Valentijn, A.; Valenziano, L.; Verdoeskleijn, G. A.; Wang, Y.; Zamorani, G.; Zoubian, J.; Brescia, M.; Congedo, G.; Conversi, L.; Copin, Y.; Kermiche, S.; Kohley, R.; Medinaceli, E.; Mei, S.; Moresco, M.; Morin, B.; Munari, E.; Polenta, G.; Sureau, F.; Vassallo, T.; Zacchei, A.; Andreon, S.; Aussel, H.; Baccigalupi, C.; Balaguera-Antolinez, A.; Baldi, M.; Bardelli, S.; Biviano, A.; Borsato, E.; Bozzo, E.; Burigana, C.; Cabanac, R.; Camera, S.; Cappi, A.; Carvalho, C. S.; Casas, S.; Castignani, G.; Colodro-Conde, C.; Coupon, J.; Courtois, H. M.; Cuby, J-G; Dasilva, A.; De Latorre, S.; Diferdinando, D.; Duncan, C. A. J.; Dupac, X.; Fabricius, M.; Farina, M.; Farrens, S.; Ferreira, P. G.; Finelli, F.; Flose-Reimberg, P.; Fotopoulou, S.; Galeotta, S.; Ganga, K.; Gillard, W.; Gozaliasl, G.; Gracia-Carpio, J.; Keihanen, E.; Kirkpatrick, C. C.; Lindholm, Ulrika; Mainetti, G.; Maino, D.; Martinet, N.; Marulli, F.; Maturi, M.; Maurogordato, S.; Metcalf, R. B.; Nakajima, R.; Neissner, C.; Nightingale, J. W.; Nucita, A. A.; Patrizii, L.; Potter, D.; Renzi, A.; Riccio, G.; Romelli, E.; Sanchez, A. G.; Sapone, D.; Schirmer, M.; Schultheis, M.; Scottez, V.; Stanco, L.; Tenti, M.; Teyssier, R.; Torradeflot, F.; Valiviita, J.; Viel, M.; Whittaker, L.; Zucca, E.
In:
Astrophysical Journal Supplement Series, Vol. 256, No. 1, 9, 31.08.2021.
Research output: Contribution to journal › Journal article › Research › peer-review
Harvard
Stanford, SA, Masters, D, Darvish, B, Stern, D, Cohen, JG, Capak, P, Hernitschek, N, Davidzon, I, Rhodes, J, Sanders, DB, Mobasher, B, Castander, FJ, Paltani, S, Aghanim, N, Amara, A, Auricchio, N, Balestra, A, Bender, R, Bodendorf, C, Bonino, D, Branchini, E, Brinchmann, J, Capobianco, D, Carbone, C, Carretero, J, Casas, R, Castellano, M, Cavuoti, S, Cimatti, A, Cledassou, R, Conselice, CJ, Corcione, L, Costille, A, Cropper, M, Degaudenzi, H, Douspis, M, Dubath, F, Dusini, S, Fosalba, P, Frailis, M, Franceschi, E, Franzetti, P, Fumana, M, Garilli, B, Giocoli, C, Grupp, F, Haugan, SVH, Hoekstra, H, Holmes, W, Hormuth, F, Hudelot, P, Jahnke, K, Kiessling, A, Kilbinger, M, Kitching, T, Kubik, B, Kuemmel, M, Kunz, M, Kurki-Suonio, H, Laureijs, R, Ligori, S, Lilje, PB, Lloro, I, Maiorano, E, Marggraf, O, Markovic, K, Massey, R, Meneghetti, M, Meylan, G, Moscardini, L, Niemi, SM, Padilla, C, Pasian, F, Pedersen, K, Pettorino, V, Pires, S, Poncet, M, Popa, L, Pozzetti, L, Raison, F, Roncarelli, M, Rossetti, E, Saglia, R, Scaramella, R, Schneider, P, Secroun, A, Seidel, G, Serrano, S, Sirignano, C, Sirri, G, Taylor, AN, Teplitz, H, Tereno, Toledo-Moreo, R, Valentijn, A, Valenziano, L, Verdoeskleijn, GA, Wang, Y, Zamorani, G, Zoubian, J, Brescia, M, Congedo, G, Conversi, L, Copin, Y, Kermiche, S, Kohley, R, Medinaceli, E, Mei, S, Moresco, M, Morin, B, Munari, E, Polenta, G, Sureau, F, Vassallo, T, Zacchei, A, Andreon, S, Aussel, H, Baccigalupi, C, Balaguera-Antolinez, A, Baldi, M, Bardelli, S, Biviano, A, Borsato, E, Bozzo, E, Burigana, C, Cabanac, R, Camera, S, Cappi, A, Carvalho, CS, Casas, S, Castignani, G, Colodro-Conde, C, Coupon, J, Courtois, HM, Cuby, J-G, Dasilva, A, De Latorre, S, Diferdinando, D, Duncan, CAJ, Dupac, X, Fabricius, M, Farina, M, Farrens, S, Ferreira, PG, Finelli, F, Flose-Reimberg, P, Fotopoulou, S, Galeotta, S, Ganga, K, Gillard, W, Gozaliasl, G, Gracia-Carpio, J, Keihanen, E, Kirkpatrick, CC, Lindholm, U, Mainetti, G, Maino, D, Martinet, N, Marulli, F, Maturi, M, Maurogordato, S, Metcalf, RB, Nakajima, R, Neissner, C, Nightingale, JW, Nucita, AA, Patrizii, L, Potter, D, Renzi, A, Riccio, G, Romelli, E, Sanchez, AG, Sapone, D, Schirmer, M, Schultheis, M, Scottez, V, Stanco, L, Tenti, M, Teyssier, R, Torradeflot, F, Valiviita, J, Viel, M, Whittaker, L & Zucca, E 2021, '
Euclid Preparation. XIV. The Complete Calibration of the Color-Redshift Relation (C3R2) Survey: Data Release 3',
Astrophysical Journal Supplement Series, vol. 256, no. 1, 9.
https://doi.org/10.3847/1538-4365/ac0833APA
Stanford, S. A., Masters, D., Darvish, B., Stern, D., Cohen, J. G., Capak, P., Hernitschek, N., Davidzon, I., Rhodes, J., Sanders, D. B., Mobasher, B., Castander, F. J., Paltani, S., Aghanim, N., Amara, A., Auricchio, N., Balestra, A., Bender, R., Bodendorf, C., ... Zucca, E. (2021).
Euclid Preparation. XIV. The Complete Calibration of the Color-Redshift Relation (C3R2) Survey: Data Release 3.
Astrophysical Journal Supplement Series,
256(1), [9].
https://doi.org/10.3847/1538-4365/ac0833Vancouver
Stanford SA, Masters D, Darvish B, Stern D, Cohen JG, Capak P et al.
Euclid Preparation. XIV. The Complete Calibration of the Color-Redshift Relation (C3R2) Survey: Data Release 3.
Astrophysical Journal Supplement Series. 2021 Aug 31;256(1). 9.
https://doi.org/10.3847/1538-4365/ac0833Author
Stanford, S. A. ; Masters, D. ; Darvish, B. ; Stern, D. ; Cohen, J. G. ; Capak, P. ; Hernitschek, N. ; Davidzon, I. ; Rhodes, J. ; Sanders, D. B. ; Mobasher, B. ; Castander, F. J. ; Paltani, S. ; Aghanim, N. ; Amara, A. ; Auricchio, N. ; Balestra, A. ; Bender, R. ; Bodendorf, C. ; Bonino, D. ; Branchini, E. ; Brinchmann, J. ; Capobianco, Daniela ; Carbone, C. ; Carretero, J. ; Casas, R. ; Castellano, M. ; Cavuoti, S. ; Cimatti, A. ; Cledassou, R. ; Conselice, C. J. ; Corcione, L. ; Costille, A. ; Cropper, M. ; Degaudenzi, H. ; Douspis, M. ; Dubath, F. ; Dusini, S. ; Fosalba, P. ; Frailis, M. ; Franceschi, E. ; Franzetti, P. ; Fumana, M. ; Garilli, B. ; Giocoli, C. ; Grupp, F. ; Haugan, S. V. H. ; Hoekstra, H. ; Holmes, W. ; Hormuth, F. ; Hudelot, P. ; Jahnke, K. ; Kiessling, A. ; Kilbinger, M. ; Kitching, T. ; Kubik, B. ; Kuemmel, M. ; Kunz, M. ; Kurki-Suonio, H. ; Laureijs, R. ; Ligori, S. ; Lilje, P. B. ; Lloro, Ivan ; Maiorano, E. ; Marggraf, O. ; Markovic, K. ; Massey, R. ; Meneghetti, M. ; Meylan, G. ; Moscardini, L. ; Niemi, S. M. ; Padilla, C. ; Pasian, F. ; Pedersen, K. ; Pettorino, V. ; Pires, S. ; Poncet, M. ; Popa, L. ; Pozzetti, L. ; Raison, F. ; Roncarelli, M. ; Rossetti, E. ; Saglia, R. ; Scaramella, R. ; Schneider, P. ; Secroun, A. ; Seidel, G. ; Serrano, S. ; Sirignano, C. ; Sirri, G. ; Taylor, A. N. ; Teplitz, H. ; Tereno ; Toledo-Moreo, R. ; Valentijn, A. ; Valenziano, L. ; Verdoeskleijn, G. A. ; Wang, Y. ; Zamorani, G. ; Zoubian, J. ; Brescia, M. ; Congedo, G. ; Conversi, L. ; Copin, Y. ; Kermiche, S. ; Kohley, R. ; Medinaceli, E. ; Mei, S. ; Moresco, M. ; Morin, B. ; Munari, E. ; Polenta, G. ; Sureau, F. ; Vassallo, T. ; Zacchei, A. ; Andreon, S. ; Aussel, H. ; Baccigalupi, C. ; Balaguera-Antolinez, A. ; Baldi, M. ; Bardelli, S. ; Biviano, A. ; Borsato, E. ; Bozzo, E. ; Burigana, C. ; Cabanac, R. ; Camera, S. ; Cappi, A. ; Carvalho, C. S. ; Casas, S. ; Castignani, G. ; Colodro-Conde, C. ; Coupon, J. ; Courtois, H. M. ; Cuby, J-G ; Dasilva, A. ; De Latorre, S. ; Diferdinando, D. ; Duncan, C. A. J. ; Dupac, X. ; Fabricius, M. ; Farina, M. ; Farrens, S. ; Ferreira, P. G. ; Finelli, F. ; Flose-Reimberg, P. ; Fotopoulou, S. ; Galeotta, S. ; Ganga, K. ; Gillard, W. ; Gozaliasl, G. ; Gracia-Carpio, J. ; Keihanen, E. ; Kirkpatrick, C. C. ; Lindholm, Ulrika ; Mainetti, G. ; Maino, D. ; Martinet, N. ; Marulli, F. ; Maturi, M. ; Maurogordato, S. ; Metcalf, R. B. ; Nakajima, R. ; Neissner, C. ; Nightingale, J. W. ; Nucita, A. A. ; Patrizii, L. ; Potter, D. ; Renzi, A. ; Riccio, G. ; Romelli, E. ; Sanchez, A. G. ; Sapone, D. ; Schirmer, M. ; Schultheis, M. ; Scottez, V. ; Stanco, L. ; Tenti, M. ; Teyssier, R. ; Torradeflot, F. ; Valiviita, J. ; Viel, M. ; Whittaker, L. ; Zucca, E. / Euclid Preparation. XIV. The Complete Calibration of the Color-Redshift Relation (C3R2) Survey : Data Release 3. In: Astrophysical Journal Supplement Series. 2021 ; Vol. 256, No. 1.
Bibtex
@article{96f4702e086b453e8c80c97f831c6261,
title = "Euclid Preparation. XIV. The Complete Calibration of the Color-Redshift Relation (C3R2) Survey: Data Release 3",
abstract = "The Complete Calibration of the Color-Redshift Relation (C3R2) survey is obtaining spectroscopic redshifts in order to map the relation between galaxy color and redshift to a depth of i similar to 24.5 (AB). The primary goal is to enable sufficiently accurate photometric redshifts for Stage iv dark energy projects, particularly Euclid and the Nancy Grace Roman Space Telescope (Roman), which are designed to constrain cosmological parameters through weak lensing. We present 676 new high-confidence spectroscopic redshifts obtained by the C3R2 survey in the 2017B-2019B semesters using the DEIMOS, LRIS, and MOSFIRE multiobject spectrographs on the Keck telescopes. Combined with the 4454 redshifts previously published by this project, the C3R2 survey has now obtained and published 5130 high-quality galaxy spectra and redshifts. If we restrict consideration to only the 0.2 < z ( p ) < 2.6 range of interest for the Euclid cosmological goals, then with the current data release, C3R2 has increased the spectroscopic redshift coverage of the Euclid color space from 51% (as reported by Masters et al.) to the current 91%. Once completed and combined with extensive data collected by other spectroscopic surveys, C3R2 should provide the spectroscopic calibration set needed to enable photometric redshifts to meet the cosmology requirements for Euclid, and make significant headway toward solving the problem for Roman.",
keywords = "PHOTOMETRIC REDSHIFTS, DISTRIBUTIONS",
author = "Stanford, {S. A.} and D. Masters and B. Darvish and D. Stern and Cohen, {J. G.} and P. Capak and N. Hernitschek and I. Davidzon and J. Rhodes and Sanders, {D. B.} and B. Mobasher and Castander, {F. J.} and S. Paltani and N. Aghanim and A. Amara and N. Auricchio and A. Balestra and R. Bender and C. Bodendorf and D. Bonino and E. Branchini and J. Brinchmann and Daniela Capobianco and C. Carbone and J. Carretero and R. Casas and M. Castellano and S. Cavuoti and A. Cimatti and R. Cledassou and Conselice, {C. J.} and L. Corcione and A. Costille and M. Cropper and H. Degaudenzi and M. Douspis and F. Dubath and S. Dusini and P. Fosalba and M. Frailis and E. Franceschi and P. Franzetti and M. Fumana and B. Garilli and C. Giocoli and F. Grupp and Haugan, {S. V. H.} and H. Hoekstra and W. Holmes and F. Hormuth and P. Hudelot and K. Jahnke and A. Kiessling and M. Kilbinger and T. Kitching and B. Kubik and M. Kuemmel and M. Kunz and H. Kurki-Suonio and R. Laureijs and S. Ligori and Lilje, {P. B.} and Ivan Lloro and E. Maiorano and O. Marggraf and K. Markovic and R. Massey and M. Meneghetti and G. Meylan and L. Moscardini and Niemi, {S. M.} and C. Padilla and F. Pasian and K. Pedersen and V. Pettorino and S. Pires and M. Poncet and L. Popa and L. Pozzetti and F. Raison and M. Roncarelli and E. Rossetti and R. Saglia and R. Scaramella and P. Schneider and A. Secroun and G. Seidel and S. Serrano and C. Sirignano and G. Sirri and Taylor, {A. N.} and H. Teplitz and Tereno and R. Toledo-Moreo and A. Valentijn and L. Valenziano and Verdoeskleijn, {G. A.} and Y. Wang and G. Zamorani and J. Zoubian and M. Brescia and G. Congedo and L. Conversi and Y. Copin and S. Kermiche and R. Kohley and E. Medinaceli and S. Mei and M. Moresco and B. Morin and E. Munari and G. Polenta and F. Sureau and T. Vassallo and A. Zacchei and S. Andreon and H. Aussel and C. Baccigalupi and A. Balaguera-Antolinez and M. Baldi and S. Bardelli and A. Biviano and E. Borsato and E. Bozzo and C. Burigana and R. Cabanac and S. Camera and A. Cappi and Carvalho, {C. S.} and S. Casas and G. Castignani and C. Colodro-Conde and J. Coupon and Courtois, {H. M.} and J-G Cuby and A. Dasilva and {De Latorre}, S. and D. Diferdinando and Duncan, {C. A. J.} and X. Dupac and M. Fabricius and M. Farina and S. Farrens and Ferreira, {P. G.} and F. Finelli and P. Flose-Reimberg and S. Fotopoulou and S. Galeotta and K. Ganga and W. Gillard and G. Gozaliasl and J. Gracia-Carpio and E. Keihanen and Kirkpatrick, {C. C.} and Ulrika Lindholm and G. Mainetti and D. Maino and N. Martinet and F. Marulli and M. Maturi and S. Maurogordato and Metcalf, {R. B.} and R. Nakajima and C. Neissner and Nightingale, {J. W.} and Nucita, {A. A.} and L. Patrizii and D. Potter and A. Renzi and G. Riccio and E. Romelli and Sanchez, {A. G.} and D. Sapone and M. Schirmer and M. Schultheis and V. Scottez and L. Stanco and M. Tenti and R. Teyssier and F. Torradeflot and J. Valiviita and M. Viel and L. Whittaker and E. Zucca",
year = "2021",
month = aug,
day = "31",
doi = "10.3847/1538-4365/ac0833",
language = "English",
volume = "256",
journal = "Astrophysical Journal",
issn = "0067-0049",
publisher = "Institute of Physics Publishing, Inc",
number = "1",
}
RIS
TY - JOUR
T1 - Euclid Preparation. XIV. The Complete Calibration of the Color-Redshift Relation (C3R2) Survey
T2 - Data Release 3
AU - Stanford, S. A.
AU - Masters, D.
AU - Darvish, B.
AU - Stern, D.
AU - Cohen, J. G.
AU - Capak, P.
AU - Hernitschek, N.
AU - Davidzon, I.
AU - Rhodes, J.
AU - Sanders, D. B.
AU - Mobasher, B.
AU - Castander, F. J.
AU - Paltani, S.
AU - Aghanim, N.
AU - Amara, A.
AU - Auricchio, N.
AU - Balestra, A.
AU - Bender, R.
AU - Bodendorf, C.
AU - Bonino, D.
AU - Branchini, E.
AU - Brinchmann, J.
AU - Capobianco, Daniela
AU - Carbone, C.
AU - Carretero, J.
AU - Casas, R.
AU - Castellano, M.
AU - Cavuoti, S.
AU - Cimatti, A.
AU - Cledassou, R.
AU - Conselice, C. J.
AU - Corcione, L.
AU - Costille, A.
AU - Cropper, M.
AU - Degaudenzi, H.
AU - Douspis, M.
AU - Dubath, F.
AU - Dusini, S.
AU - Fosalba, P.
AU - Frailis, M.
AU - Franceschi, E.
AU - Franzetti, P.
AU - Fumana, M.
AU - Garilli, B.
AU - Giocoli, C.
AU - Grupp, F.
AU - Haugan, S. V. H.
AU - Hoekstra, H.
AU - Holmes, W.
AU - Hormuth, F.
AU - Hudelot, P.
AU - Jahnke, K.
AU - Kiessling, A.
AU - Kilbinger, M.
AU - Kitching, T.
AU - Kubik, B.
AU - Kuemmel, M.
AU - Kunz, M.
AU - Kurki-Suonio, H.
AU - Laureijs, R.
AU - Ligori, S.
AU - Lilje, P. B.
AU - Lloro, Ivan
AU - Maiorano, E.
AU - Marggraf, O.
AU - Markovic, K.
AU - Massey, R.
AU - Meneghetti, M.
AU - Meylan, G.
AU - Moscardini, L.
AU - Niemi, S. M.
AU - Padilla, C.
AU - Pasian, F.
AU - Pedersen, K.
AU - Pettorino, V.
AU - Pires, S.
AU - Poncet, M.
AU - Popa, L.
AU - Pozzetti, L.
AU - Raison, F.
AU - Roncarelli, M.
AU - Rossetti, E.
AU - Saglia, R.
AU - Scaramella, R.
AU - Schneider, P.
AU - Secroun, A.
AU - Seidel, G.
AU - Serrano, S.
AU - Sirignano, C.
AU - Sirri, G.
AU - Taylor, A. N.
AU - Teplitz, H.
AU - Tereno, null
AU - Toledo-Moreo, R.
AU - Valentijn, A.
AU - Valenziano, L.
AU - Verdoeskleijn, G. A.
AU - Wang, Y.
AU - Zamorani, G.
AU - Zoubian, J.
AU - Brescia, M.
AU - Congedo, G.
AU - Conversi, L.
AU - Copin, Y.
AU - Kermiche, S.
AU - Kohley, R.
AU - Medinaceli, E.
AU - Mei, S.
AU - Moresco, M.
AU - Morin, B.
AU - Munari, E.
AU - Polenta, G.
AU - Sureau, F.
AU - Vassallo, T.
AU - Zacchei, A.
AU - Andreon, S.
AU - Aussel, H.
AU - Baccigalupi, C.
AU - Balaguera-Antolinez, A.
AU - Baldi, M.
AU - Bardelli, S.
AU - Biviano, A.
AU - Borsato, E.
AU - Bozzo, E.
AU - Burigana, C.
AU - Cabanac, R.
AU - Camera, S.
AU - Cappi, A.
AU - Carvalho, C. S.
AU - Casas, S.
AU - Castignani, G.
AU - Colodro-Conde, C.
AU - Coupon, J.
AU - Courtois, H. M.
AU - Cuby, J-G
AU - Dasilva, A.
AU - De Latorre, S.
AU - Diferdinando, D.
AU - Duncan, C. A. J.
AU - Dupac, X.
AU - Fabricius, M.
AU - Farina, M.
AU - Farrens, S.
AU - Ferreira, P. G.
AU - Finelli, F.
AU - Flose-Reimberg, P.
AU - Fotopoulou, S.
AU - Galeotta, S.
AU - Ganga, K.
AU - Gillard, W.
AU - Gozaliasl, G.
AU - Gracia-Carpio, J.
AU - Keihanen, E.
AU - Kirkpatrick, C. C.
AU - Lindholm, Ulrika
AU - Mainetti, G.
AU - Maino, D.
AU - Martinet, N.
AU - Marulli, F.
AU - Maturi, M.
AU - Maurogordato, S.
AU - Metcalf, R. B.
AU - Nakajima, R.
AU - Neissner, C.
AU - Nightingale, J. W.
AU - Nucita, A. A.
AU - Patrizii, L.
AU - Potter, D.
AU - Renzi, A.
AU - Riccio, G.
AU - Romelli, E.
AU - Sanchez, A. G.
AU - Sapone, D.
AU - Schirmer, M.
AU - Schultheis, M.
AU - Scottez, V.
AU - Stanco, L.
AU - Tenti, M.
AU - Teyssier, R.
AU - Torradeflot, F.
AU - Valiviita, J.
AU - Viel, M.
AU - Whittaker, L.
AU - Zucca, E.
PY - 2021/8/31
Y1 - 2021/8/31
N2 - The Complete Calibration of the Color-Redshift Relation (C3R2) survey is obtaining spectroscopic redshifts in order to map the relation between galaxy color and redshift to a depth of i similar to 24.5 (AB). The primary goal is to enable sufficiently accurate photometric redshifts for Stage iv dark energy projects, particularly Euclid and the Nancy Grace Roman Space Telescope (Roman), which are designed to constrain cosmological parameters through weak lensing. We present 676 new high-confidence spectroscopic redshifts obtained by the C3R2 survey in the 2017B-2019B semesters using the DEIMOS, LRIS, and MOSFIRE multiobject spectrographs on the Keck telescopes. Combined with the 4454 redshifts previously published by this project, the C3R2 survey has now obtained and published 5130 high-quality galaxy spectra and redshifts. If we restrict consideration to only the 0.2 < z ( p ) < 2.6 range of interest for the Euclid cosmological goals, then with the current data release, C3R2 has increased the spectroscopic redshift coverage of the Euclid color space from 51% (as reported by Masters et al.) to the current 91%. Once completed and combined with extensive data collected by other spectroscopic surveys, C3R2 should provide the spectroscopic calibration set needed to enable photometric redshifts to meet the cosmology requirements for Euclid, and make significant headway toward solving the problem for Roman.
AB - The Complete Calibration of the Color-Redshift Relation (C3R2) survey is obtaining spectroscopic redshifts in order to map the relation between galaxy color and redshift to a depth of i similar to 24.5 (AB). The primary goal is to enable sufficiently accurate photometric redshifts for Stage iv dark energy projects, particularly Euclid and the Nancy Grace Roman Space Telescope (Roman), which are designed to constrain cosmological parameters through weak lensing. We present 676 new high-confidence spectroscopic redshifts obtained by the C3R2 survey in the 2017B-2019B semesters using the DEIMOS, LRIS, and MOSFIRE multiobject spectrographs on the Keck telescopes. Combined with the 4454 redshifts previously published by this project, the C3R2 survey has now obtained and published 5130 high-quality galaxy spectra and redshifts. If we restrict consideration to only the 0.2 < z ( p ) < 2.6 range of interest for the Euclid cosmological goals, then with the current data release, C3R2 has increased the spectroscopic redshift coverage of the Euclid color space from 51% (as reported by Masters et al.) to the current 91%. Once completed and combined with extensive data collected by other spectroscopic surveys, C3R2 should provide the spectroscopic calibration set needed to enable photometric redshifts to meet the cosmology requirements for Euclid, and make significant headway toward solving the problem for Roman.
KW - PHOTOMETRIC REDSHIFTS
KW - DISTRIBUTIONS
U2 - 10.3847/1538-4365/ac0833
DO - 10.3847/1538-4365/ac0833
M3 - Journal article
VL - 256
JO - Astrophysical Journal
JF - Astrophysical Journal
SN - 0067-0049
IS - 1
M1 - 9
ER -
