Euclid preparation

• Type: Article in International Scientific Journal
• Date: 2024

Authors

Deshpande, AC (Author) Other; Kitching, T (Author) Other; Hall, A (Author) Other; Brown, ML (Author) Other; Aghanim, N (Author) Other; Amendola, L (Author) Other; Andreon, S (Author) Other; Auricchio, N (Author) Other; Baldi, M (Author) Other; Bardelli, S (Author) Other; Bender, R (Author) Other; Bonino, D (Author) Other; Branchini, E (Author) Other; Brescia, M (Author) Other; J. Brinchmann (Author) FCUP; Camera, S (Author) Other; Candini, GP (Author) Other; Capobianco, V (Author) Other; Carbone, C (Author) Other; Cardone, VF (Author) Other; Carretero, J (Author) Other; Casas, S (Author) Other; Castander, FJ (Author) Other; Castellano, M (Author) Other; Cavuoti, S (Author) Other; Cimatti, A (Author) Other; Cledassou, R (Author) Other; Congedo, G (Author) Other; Conselice, CJ (Author) Other; Conversi, L (Author) Other; Corcione, L (Author) Other; Courbin, F (Author) Other; Courtois, HM (Author) Other; Cropper, M (Author) Other; Da Silva, A (Author) Other; Degaudenzi, H (Author) Other; Douspis, M (Author) Other; Dubath, F (Author) Other; Duncan, CAJ (Author) Other; Dupac, X (Author) Other; Farina, M (Author) Other; Farrens, S (Author) Other; Ferriol, S (Author) Other; Fosalba, P (Author) Other; Frailis, M (Author) Other; Franceschi, E (Author) Other; Fumana, M (Author) Other; Galeotta, S (Author) Other; Garilli, B (Author) Other; Gillis, B (Author) Other; Giocoli, C (Author) Other; Grazian, A (Author) Other; Grupp, F (Author) Other; Haugan, SVH (Author) Other; Hoekstra, H (Author) Other; Holmes, W (Author) Other; Hornstrup, A (Author) Other; Hudelot, P (Author) Other; Jahnke, K (Author) Other; Keihänen, E (Author) Other; Kermiche, S (Author) Other; Kilbinger, M (Author) Other; Kunz, M (Author) Other; Kurki-Suonio, H (Author) Other; Ligori, S (Author) Other; Lilje, PB (Author) Other; Lindholm, V (Author) Other; Lloro, I (Author) Other; Maiorano, E (Author) Other; Mansutti, O (Author) Other; Marggraf, O (Author) Other; Markovic, K (Author) Other; Martinet, N (Author) Other; Marulli, F (Author) Other; Massey, R (Author) Other; Mei, S (Author) Other; Mellier, Y (Author) Other; Meneghetti, M (Author) Other; Meylan, G (Author) Other; Moscardini, L (Author) Other; Niemi, S (Author) Other; Nightingale, JW (Author) Other; Nutma, T (Author) Other; Padilla, C (Author) Other; Paltani, S (Author) Other; Pasian, F (Author) Other; Pedersen, K (Author) Other; Pettorino, V (Author) Other; Pires, S (Author) Other; Polenta, G (Author) Other; Pollack, J (Author) Other; Poncet, M (Author) Other; Popa, LA (Author) Other; Raison, F (Author) Other; Renzi, A (Author) Other; Rhodes, J (Author) Other; Riccio, G (Author) Other; Romelli, E (Author) Other; Roncarelli, M (Author) Other; Rossetti, E (Author) Other; Saglia, R (Author) Other; Sapone, D (Author) Other; Sartoris, B (Author) Other; Schneider, P (Author) Other; Schrabback, T (Author) Other; Secroun, A (Author) Other; Seidel, G (Author) Other; Serrano, S (Author) Other; Sirignano, C (Author) Other; Sirri, G (Author) Other; Stanco, L (Author) Other; Tallada-Crespí, P (Author) Other; Taylor, AN (Author) Other; Tereno, I (Author) Other; Toledo-Moreo, R (Author) Other; Torradeflot, F (Author) Other; Tutusaus, I (Author) Other; Valentijn, EA (Author) Other; Valenziano, L (Author) Other; Vassallo, T (Author) Other; Wang, Y (Author) Other; Weller, J (Author) Other; Zacchei, A (Author) Other; Zamorani, G (Author) Other; Zoubian, J (Author) Other; Zucca, E (Author) Other; Boucaud, A (Author) Other; Bozzo, E (Author) Other; Colodro-Conde, C (Author) Other; Di Ferdinando, D (Author) Other; Fabbian, G (Author) Other; Graciá-Carpio, J (Author) Other; Mauri, N (Author) Other; Scottez, V (Author) Other; Tenti, M (Author) Other; Akrami, Y (Author) Other; Baccigalupi, C (Author) Other; Balaguera-Antolínez, A (Author) Other; Ballardini, M (Author) Other; Bernardeau, F (Author) Other; Biviano, A (Author) Other; Blanchard, A (Author) Other; Borlaff, AS (Author) Other; Burigana, C (Author) Other; Cabanac, R (Author) Other; Cappi, A (Author) Other; Carvalho, CS (Author) Other; Castignani, G (Author) Other; Castro, T (Author) Other; Chambers, KC (Author) Other; Cooray, AR (Author) Other; Coupon, J (Author) Other; Davini, S (Author) Other; de la Torre, S (Author) Other; De Lucia, G (Author) Other; Desprez, G (Author) Other; Dole, H (Author) Other; Escartin, JA (Author) Other; Escoffier, S (Author) Other; Ferrero, I (Author) Other; Finelli, F (Author) Other; Garcia-Bellido, J (Author) Other; George, K (Author) Other; Giacomini, F (Author) Other; Gozaliasl, G (Author) Other; Hildebrandt, H (Author) Other; Kajava, JJE (Author) Other; Kansal, V (Author) Other; Kirkpatrick, CC (Author) Other; Legrand, L (Author) Other; Loureiro, A (Author) Other; Macias-Perez, J (Author) Other; Magliocchetti, M (Author) Other; Mainetti, G (Author) Other; Maoli, R (Author) Other; Martinelli, M (Author) Other; Martins, CJAP (Author) FCUP; Matthew, S (Author) Other; Maurin, L (Author) Other; Metcalf, RB (Author) Other; Monaco, P (Author) Other; Morgante, G (Author) Other; Nadathur, S (Author) Other; Nucita, AA (Author) Other; Patrizii, L (Author) Other; Peel, A (Author) Other; Pöntinen, M (Author) Other; Popa, V (Author) Other; Porciani, C (Author) Other; Potter, D (Author) Other; Pourtsidou, A (Author) Other; Reimberg, P (Author) Other; Sakr, Z (Author) Other; Sánchez, AG (Author) Other; Schneider, A (Author) Other; Sefusatti, E (Author) Other; Sereno, M (Author) Other; Shulevski, A (Author) Other; Spurio Mancini, A (Author) Other; Steinwagner, J (Author) Other; Teyssier, R (Author) Other; Viel, M (Author) Other; Zinchenko, IA (Author) Other; Fleury, P (Author) Other

Journal

Title: Astronomy and Astrophysics

Vol. 684

Final page: A138

ISSN: 0004-6361

Publisher: EDP Sciences

Other information

Authenticus ID: P-011-YTW

DOI: 10.1051/0004-6361/202346110

Abstract (EN): <jats:p>This work considers which higher order modeling effects on the cosmic shear angular power spectra must be taken into account for <jats:italic>Euclid</jats:italic>. We identified the relevant terms and quantified their individual and cumulative impact on the cosmological parameter inferences from <jats:italic>Euclid</jats:italic>. We computed the values of these higher order effects using analytic expressions and calculated the impact on cosmological parameter estimations using the Fisher matrix formalism. We reviewed 24 effects and determined the ones that potentially need to be accounted for, namely: the reduced shear approximation, magnification bias, source-lens clustering, source obscuration, local Universe effects, and the flat Universe assumption. After computing these effects explicitly and calculating their cosmological parameter biases, using a maximum multipole of <jats:italic>¿</jats:italic>¿=¿5000, we find that the magnification bias, source-lens clustering, source obscuration, and local Universe terms individually produce significant (> 0.25<jats:italic>¿</jats:italic>) cosmological biases in one or more parameters; accordingly, these effects must be accounted for and warrant further investigation. In total, we find biases in ¿<jats:sub>m</jats:sub>, ¿<jats:sub>b</jats:sub>, <jats:italic>h</jats:italic>, and <jats:italic>¿</jats:italic><jats:sub>8</jats:sub> of 0.73<jats:italic>¿</jats:italic>, 0.28<jats:italic>¿</jats:italic>, 0.25<jats:italic>¿</jats:italic>, and ¿0.79<jats:italic>¿</jats:italic>, respectively, for the flat ¿CDM. For the <jats:italic>w</jats:italic><jats:sub>0</jats:sub><jats:italic>w</jats:italic><jats:sub><jats:italic>a</jats:italic></jats:sub>CDM case, we found biases in ¿<jats:sub>m</jats:sub>, ¿<jats:sub>b</jats:sub>, <jats:italic>h</jats:italic>, <jats:italic>n</jats:italic><jats:sub>s</jats:sub>, <jats:italic>¿</jats:italic><jats:sub>8</jats:sub>, and <jats:italic>w</jats:italic><jats:sub><jats:italic>a</jats:italic></jats:sub> of 1.49<jats:italic>¿</jats:italic>, 0.35<jats:italic>¿</jats:italic>, ¿1.36<jats:italic>¿</jats:italic>, 1.31<jats:italic>¿</jats:italic>, ¿0.84<jats:italic>¿</jats:italic>, and ¿0.35<jats:italic>¿</jats:italic>, respectively. These are increased relative to the ¿CDM due to additional degeneracies as a function of redshift and scale.</jats:p>

Language: English

Type (Professor's evaluation): Scientific