Euclid Preparation. XXXVII. Galaxy colour selections with Euclid and ground photometry for cluster weak-lensing analyses - Laboratoire d'Etude du Rayonnement et de la Matière en Astrophysique
Journal Articles Astronomy and Astrophysics - A&A Year : 2024

Euclid Preparation. XXXVII. Galaxy colour selections with Euclid and ground photometry for cluster weak-lensing analyses

G.F Lesci , M Sereno , M Radovich , G Castignani , L Bisigello , F Marulli , L Moscardini , L Baumont (1) , G Covone , S Farrens (1) , C Giocoli , L Ingoglia , S. Miranda La Hera (1) , M Vannier (2) , A Biviano , S Maurogordato (2) , Nabila Aghanim (3) , A Amara , S Andreon , N Auricchio , M Baldi , S Bardelli , R Bender , C Bodendorf , D Bonino , E Branchini , M Brescia , J Brinchmann , S Camera , V Capobianco , C Carbone , J Carretero , S Casas , F.J Castander , M Castellano , S Cavuoti , A Cimatti , G Congedo , C.J Conselice , L Conversi , Y Copin (4) , L Corcione , F Courbin , H.M Courtois (4) , A da Silva , H Degaudenzi , A.M Di Giorgio , J Dinis , F Dubath , C.A.J Duncan , X Dupac , S Dusini , M Farina , S Ferriol (4) , P Fosalba , S Fotopoulou , M Frailis , E Franceschi , P Franzetti , M Fumana , S Galeotta , B Garilli , B Gillis , A Grazian , F Grupp , S.V.H Haugan , I Hook , F Hormuth , A Hornstrup , P Hudelot (5) , K Jahnke , M Kümmel , S Kermiche (6) , A Kiessling , M Kilbinger (1) , B Kubik (4) , M Kunz , H Kurki-Suonio , S Ligori , P.B Lilje , V Lindholm , I Lloro , E Maiorano , O Mansutti , O Marggraf , K Markovic , N Martinet (7) , R Massey , E Medinaceli , M Melchior , Y Mellier (5) , M Meneghetti , E Merlin , G Meylan , M Moresco , E Munari , R Nakajima , S.-M Niemi , C Padilla , S Paltani , F Pasian , K Pedersen , V Pettorino (1) , S Pires (1) , G Polenta , M Poncet (8) , L.A Popa , L Pozzetti , F Raison , R Rebolo , A Renzi , J Rhodes , G Riccio , E Romelli , M Roncarelli , E Rossetti , R Saglia , D Sapone , B Sartoris , M Schirmer , P Schneider , A Secroun (6) , G Seidel , S Serrano , C Sirignano , G Sirri , J Skottfelt , L Stanco , J.-L Starck (1) , P Tallada-Crespí , A.N Taylor , H.I Teplitz , I Tereno , R Toledo-Moreo , F Torradeflot , I Tutusaus (9) , E.A Valentijn , L Valenziano , T Vassallo , A Veropalumbo , Y Wang , J Weller , A Zacchei , G Zamorani , J Zoubian (6) , E Zucca , M Bolzonella , E Bozzo , C Colodro-Conde , D Di Ferdinando , J Graciá-Carpio , S Marcin , N Mauri , C Neissner , A.A Nucita , Z Sakr (9) , V Scottez (5) , M Tenti , M Viel , M Wiesmann , Y Akrami , S Anselmi (10) , C Baccigalupi , M Ballardini , S Borgani , A.S Borlaff , S Bruton , C Burigana , R Cabanac (9) , A Calabro , A Cappi (2) , C.S Carvalho , T Castro , G Cañas-Herrera , K.C Chambers , A.R Cooray , J Coupon , O Cucciati , S Davini , S de la Torre (7) , G de Lucia , G Desprez , S Di Domizio , Herve Dole (3) , A Díaz-Sánchez , J.A. Escartin Vigo , S Escoffier (6) , I Ferrero , F Finelli , L Gabarra , K Ganga (11) , J García-Bellido , F Giacomini , G Gozaliasl , S Gwyn , H Hildebrandt , M Huertas-Company (12) , A. Jimenez Muñoz (13) , J.J.E Kajava , V Kansal , C.C Kirkpatrick , L Legrand , A Loureiro , J Macias-Perez (13) , M Magliocchetti , G Mainetti (14) , R Maoli , M Martinelli , C.J.A.P Martins , S Matthew , M Maturi , Loïc Maurin (3) , R.B Metcalf , M Migliaccio , P Monaco , G Morgante , S Nadathur , L Patrizii , A Pezzotta , C Porciani , D Potter , M Pöntinen , P Reimberg (5) , Pier-Francesco Rocci (3) , A.G Sánchez , A Schneider , M Schultheis (2) , E Sefusatti , P Simon , A Spurio Mancini , S.A Stanford , J Steinwagner , G Testera , R Teyssier , S Toft , S Tosi , A Troja , M Tucci , J Valiviita , D Vergani , P.-F. Rocci , Loïc Maurin
G.F Lesci
  • Function : Author
M Sereno
  • Function : Author
M Radovich
  • Function : Author
G Castignani
  • Function : Author
L Bisigello
  • Function : Author
F Marulli
  • Function : Author
L Moscardini
  • Function : Author
G Covone
  • Function : Author
C Giocoli
  • Function : Author
L Ingoglia
  • Function : Author
M Vannier
  • Function : Author
A Biviano
  • Function : Author
S Maurogordato
A Amara
  • Function : Author
S Andreon
  • Function : Author
N Auricchio
  • Function : Author
M Baldi
  • Function : Author
S Bardelli
  • Function : Author
R Bender
  • Function : Author
C Bodendorf
  • Function : Author
D Bonino
  • Function : Author
E Branchini
  • Function : Author
M Brescia
  • Function : Author
J Brinchmann
  • Function : Author
S Camera
  • Function : Author
V Capobianco
  • Function : Author
C Carbone
  • Function : Author
J Carretero
  • Function : Author
S Casas
  • Function : Author
F.J Castander
  • Function : Author
M Castellano
  • Function : Author
S Cavuoti
  • Function : Author
A Cimatti
  • Function : Author
G Congedo
  • Function : Author
C.J Conselice
  • Function : Author
L Conversi
  • Function : Author
L Corcione
  • Function : Author
F Courbin
  • Function : Author
A da Silva
  • Function : Author
H Degaudenzi
  • Function : Author
A.M Di Giorgio
  • Function : Author
J Dinis
  • Function : Author
F Dubath
  • Function : Author
C.A.J Duncan
  • Function : Author
X Dupac
  • Function : Author
S Dusini
  • Function : Author
M Farina
  • Function : Author
P Fosalba
  • Function : Author
S Fotopoulou
  • Function : Author
M Frailis
  • Function : Author
E Franceschi
  • Function : Author
P Franzetti
  • Function : Author
M Fumana
  • Function : Author
S Galeotta
  • Function : Author
B Garilli
  • Function : Author
B Gillis
  • Function : Author
A Grazian
  • Function : Author
F Grupp
  • Function : Author
S.V.H Haugan
  • Function : Author
I Hook
  • Function : Author
F Hormuth
  • Function : Author
A Hornstrup
  • Function : Author
K Jahnke
  • Function : Author
M Kümmel
  • Function : Author
A Kiessling
  • Function : Author
M Kunz
  • Function : Author
H Kurki-Suonio
  • Function : Author
S Ligori
  • Function : Author
P.B Lilje
  • Function : Author
V Lindholm
  • Function : Author
I Lloro
  • Function : Author
E Maiorano
  • Function : Author
O Mansutti
  • Function : Author
O Marggraf
  • Function : Author
K Markovic
  • Function : Author
R Massey
  • Function : Author
E Medinaceli
  • Function : Author
M Melchior
  • Function : Author
M Meneghetti
  • Function : Author
E Merlin
  • Function : Author
G Meylan
  • Function : Author
M Moresco
  • Function : Author
E Munari
  • Function : Author
R Nakajima
  • Function : Author
S.-M Niemi
  • Function : Author
C Padilla
  • Function : Author
S Paltani
  • Function : Author
F Pasian
  • Function : Author
K Pedersen
  • Function : Author
G Polenta
  • Function : Author
L.A Popa
  • Function : Author
L Pozzetti
  • Function : Author
F Raison
  • Function : Author
R Rebolo
  • Function : Author
A Renzi
  • Function : Author
J Rhodes
  • Function : Author
G Riccio
  • Function : Author
E Romelli
  • Function : Author
M Roncarelli
  • Function : Author
E Rossetti
  • Function : Author
R Saglia
  • Function : Author
D Sapone
  • Function : Author
B Sartoris
  • Function : Author
M Schirmer
  • Function : Author
P Schneider
  • Function : Author
G Seidel
  • Function : Author
S Serrano
  • Function : Author
C Sirignano
  • Function : Author
G Sirri
  • Function : Author
J Skottfelt
  • Function : Author
L Stanco
  • Function : Author
P Tallada-Crespí
  • Function : Author
A.N Taylor
  • Function : Author
H.I Teplitz
  • Function : Author
I Tereno
  • Function : Author
R Toledo-Moreo
  • Function : Author
F Torradeflot
  • Function : Author
E.A Valentijn
  • Function : Author
L Valenziano
  • Function : Author
T Vassallo
  • Function : Author
A Veropalumbo
  • Function : Author
Y Wang
  • Function : Author
J Weller
  • Function : Author
A Zacchei
  • Function : Author
G Zamorani
  • Function : Author
E Zucca
  • Function : Author
M Bolzonella
  • Function : Author
E Bozzo
  • Function : Author
C Colodro-Conde
  • Function : Author
D Di Ferdinando
  • Function : Author
J Graciá-Carpio
  • Function : Author
S Marcin
  • Function : Author
N Mauri
  • Function : Author
C Neissner
  • Function : Author
A.A Nucita
  • Function : Author
M Tenti
  • Function : Author
M Viel
  • Function : Author
M Wiesmann
  • Function : Author
Y Akrami
  • Function : Author
C Baccigalupi
  • Function : Author
M Ballardini
  • Function : Author
S Borgani
  • Function : Author
A.S Borlaff
  • Function : Author
S Bruton
  • Function : Author
C Burigana
  • Function : Author
A Calabro
  • Function : Author
A Cappi
  • Function : Author
C.S Carvalho
  • Function : Author
T Castro
  • Function : Author
G Cañas-Herrera
  • Function : Author
K.C Chambers
  • Function : Author
A.R Cooray
  • Function : Author
J Coupon
  • Function : Author
O Cucciati
  • Function : Author
S Davini
  • Function : Author
G de Lucia
  • Function : Author
G Desprez
  • Function : Author
S Di Domizio
  • Function : Author
Herve Dole
A Díaz-Sánchez
  • Function : Author
J.A. Escartin Vigo
  • Function : Author
I Ferrero
  • Function : Author
F Finelli
  • Function : Author
L Gabarra
  • Function : Author
J García-Bellido
  • Function : Author
F Giacomini
  • Function : Author
G Gozaliasl
  • Function : Author
S Gwyn
  • Function : Author
H Hildebrandt
  • Function : Author
J.J.E Kajava
  • Function : Author
V Kansal
  • Function : Author
C.C Kirkpatrick
  • Function : Author
L Legrand
  • Function : Author
A Loureiro
  • Function : Author
M Magliocchetti
  • Function : Author
G Mainetti
R Maoli
  • Function : Author
M Martinelli
  • Function : Author
C.J.A.P Martins
  • Function : Author
S Matthew
  • Function : Author
M Maturi
  • Function : Author
R.B Metcalf
  • Function : Author
M Migliaccio
  • Function : Author
P Monaco
  • Function : Author
G Morgante
  • Function : Author
S Nadathur
  • Function : Author
L Patrizii
  • Function : Author
A Pezzotta
  • Function : Author
C Porciani
  • Function : Author
D Potter
  • Function : Author
M Pöntinen
  • Function : Author
A.G Sánchez
  • Function : Author
A Schneider
  • Function : Author
E Sefusatti
  • Function : Author
P Simon
  • Function : Author
A Spurio Mancini
  • Function : Author
S.A Stanford
  • Function : Author
J Steinwagner
  • Function : Author
G Testera
  • Function : Author
R Teyssier
  • Function : Author
S Toft
  • Function : Author
S Tosi
  • Function : Author
A Troja
  • Function : Author
M Tucci
  • Function : Author
J Valiviita
  • Function : Author
D Vergani
  • Function : Author
P.-F. Rocci
  • Function : Author
  • PersonId : 950236
Loïc Maurin
  • Function : Author
  • PersonId : 1002647

Abstract

We derive galaxy colour selections from Euclid and ground-based photometry, aiming to accurately define background galaxy samples in cluster weak-lensing analyses. These selections are implemented in the Euclid data analysis pipelines for galaxy clusters. Given any set of photometric bands, we develop a method for the calibration of optimal galaxy colour selections that maximises the selection completeness, given a threshold on purity. Such colour selections are expressed as a function of the lens redshift. We calibrate galaxy selections using ground-based $griz$ and Euclid $Y_{\rm E}J_{\rm E}H_{\rm E}$ bands. Both selections produce a purity higher than 97%. The $griz$ selection completeness ranges from 30% to 84% in the lens redshift range $z_{\rm l}\in[0.2,0.8]$. With the full $grizY_{\rm E}J_{\rm E}H_{\rm E}$ selection, the completeness improves by up to $25$ percentage points, and the $z_{\rm l}$ range extends up to $z_{\rm l}=1.5$. The calibrated colour selections are stable to changes in the sample limiting magnitudes and redshift, and the selection based on $griz$ bands provides excellent results on real and simulated external data sets. Furthermore, the calibrated selections provide stable results using alternative photometric aperture definitions obtained from different ground-based telescopes. The $griz$ selection is also purer at high redshift and more complete at low redshift compared to colour selections found in the literature. We show that the calibrated colour selections provide robust results even when observations from a single band are missing from the ground-based data. Finally, we show that colour selections imply variations within the 1$\sigma$ uncertainty in the mean multiplicative shear bias, $m$, for stage III surveys. The first Euclid data releases will provide further insights into the impact of background selections on $m$.
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hal-04324289 , version 1 (18-10-2024)

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G.F Lesci, M Sereno, M Radovich, G Castignani, L Bisigello, et al.. Euclid Preparation. XXXVII. Galaxy colour selections with Euclid and ground photometry for cluster weak-lensing analyses. Astronomy and Astrophysics - A&A, 2024, 684, pp.A139. ⟨10.1051/0004-6361/202348743⟩. ⟨hal-04324289⟩
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