Euclid: Cosmology forecasts from the void-galaxy cross-correlation function with reconstruction

被引：3

作者：

Radinovic, S. ^{[1
]}

Nadathur, S. ^{[2
]}

Winther, H-A. ^{[1
]}

Percival, W. J. ^{[3
,4
,5
]}

Woodfinden, A. ^{[3
,4
]}

Massara, E. ^{[3
,4
]}

Paillas, E. ^{[3
,4
]}

Contarini, S. ^{[6
,7
,8
]}

Hamaus, N. ^{[9
]}

Kovacs, A. ^{[10
,11
,12
]}

Pisani, A. ^{[13
,14
,15
]}

Verza, G. ^{[16
,17
]}

Aubert, M. ^{[18
]}

Amara, A. ^{[2
]}

Auricchio, N. ^{[8
]}

Baldi, M. ^{[6
,7
,8
]}

Bonino, D. ^{[19
]}

Branchini, E. ^{[20
,21
]}

Brescia, M. ^{[22
]}

Camera, S. ^{[19
,23
,24
]}

Capobianco, V. ^{[19
]}

Carbone, C. ^{[25
]}

Cardone, V. F. ^{[26
,27
]}

Carretero, J. ^{[28
,29
]}

Castellano, M. ^{[26
]}

Cavuoti, S. ^{[30
,31
]}

Cimatti, A. ^{[32
]}

Cledassou, R. ^{[33
,34
]}

Congedo, G. ^{[35
]}

Conversi, L. ^{[36
,37
]}

Copin, Y. ^{[18
]}

Corcione, L. ^{[19
]}

Courbin, F. ^{[38
]}

Da Silva, A. ^{[39
,40
]}

Douspis, M. ^{[41
]}

Dubath, F. ^{[42
]}

Dupac, X. ^{[36
]}

Farrens, S. ^{[43
]}

Ferriol, S. ^{[18
]}

Fosalba, P. ^{[44
,45
]}

Frailis, M. ^{[46
]}

Franceschi, E. ^{[8
]}

Fumana, M. ^{[25
]}

Galeotta, S. ^{[46
]}

Garilli, B. ^{[25
]}

Gillard, W. ^{[47
]}

Gillis, B. ^{[35
]}

Giocoli, C. ^{[7
,8
]}

Grazian, A. ^{[48
]}

Grupp, F. ^{[9
,49
]}

机构：

[1] Univ Oslo, Inst Theoret Astrophys, POB 1029 Blindern, N-0315 Oslo, Norway

[2] Univ Portsmouth, Inst Cosmol & Gravitat, Portsmouth PO1 3FX, Hants, England

[3] Univ Waterloo, Ctr Astrophys, Waterloo, ON N2L 3G1, Canada

[4] Univ Waterloo, Dept Phys & Astron, Waterloo, ON N2L 3G1, Canada

[5] Perimeter Inst Theoret Phys, Waterloo, ON N2L 2Y5, Canada

[6] Alma Mater Studiorum Univ Bologna, Dipartimento Fis & Astron Augusto Righi, Via Piero Gobetti 93-2, I-40129 Bologna, Italy

[7] INFN Sez Bologna, Viale Berti Pichat 6-2, I-40127 Bologna, Italy

[8] INAF Osservatorio Astrofis & Sci Spazio Bologna, Via Piero Gobetti 93-3, I-40129 Bologna, Italy

[9] Ludwig Maximilians Univ Munchen, Fak Phys, Univ Sternwarte Munchen, Scheinerstr 1, D-81679 Munich, Germany

[10] Inst Astrofis Canarias, Calle Via Lactea S-N, Tenerife 38204, Spain

[11] Univ La Laguna, Dept Astrofis, Tenerife 38206, Spain

[12] MTA CSFK Lendulet Large Scale Struct Res Grp, Konkoly Thege Miklos Ut 15-17, H-1121 Budapest, Hungary

[13] Flatiron Inst, Ctr Computat Astrophys, 162 5th Ave, New York, NY 10010 USA

[14] Cooper Union Adv Sci & Art, 41 Cooper Sq, New York, NY 10003 USA

[15] Princeton Univ, Dept Astrophys Sci, Peyton Hall, Princeton, NJ 08544 USA

[16] INFN Padova, Via Marzolo 8, I-35131 Padua, Italy

[17] Univ Padua, Dipartimento Fis & Astron G Galilei, Via Marzolo 8, I-35131 Padua, Italy

[18] Univ Claude Bernard Lyon 1, Univ Lyon, IP2I Lyon, CNRS,IN2P3,UMR 5822, F-69622 Villeurbanne, France

[19] INAF Osservatorio Astrofis Torino, Via Osservatorio 20, I-10025 Pino Torinese, TO, Italy

[20] Univ Genoa, Dipartimento Fis, Via Dodecaneso 33, I-16146 Genoa, Italy

[21] INFN Sez Roma Tre, Via Vasca Navale 84, I-00146 Rome, Italy

[22] Univ Federico II, Dept Phys E Pancini, Via Cinthia 6, I-80126 Naples, Italy

[23] Univ Torino, Dipartimento Fis, Via P Giuria 1, I-10125 Turin, Italy

[24] INFN Sez Torino, Via P Giuria 1, I-10125 Turin, Italy

[25] INAF IASF Milano, Via Alfonso Corti 12, I-20133 Milan, Italy

[26] INAF Osservatorio Astron Roma, Via Frascati 33, I-00078 Monte Porzio Catone, Italy

[27] INFN Sez Roma, Dipartimento Fis, Piazzale Aldo Moro,2 Edificio G Marconi, I-00185 Rome, Italy

[28] Barcelona Inst Sci & Technol, Inst Fis Altes Energies IFAE, Campus UAB, Bellaterra 08193, Barcelona, Spain

[29] Port Informacio Cient, Campus UAB,C Albareda S-N, Bellaterra 08193, Barcelona, Spain

[30] INAF Osservatorio Astron Capodimonte, Via Moiariello 16, I-80131 Naples, Italy

[31] INFN Sect Naples, Via Cinthia 6, I-80126 Naples, Italy

[32] Alma Mater Studiorum Univ Bologna, Dipartimento Fis & Astron Augusto Righi, Viale Berti Pichat 6-2, I-40127 Bologna, Italy

[33] Ctr Natl Etud Spatiales, F-31400 Toulouse, France

[34] Inst Natl Phys Nucl & Phys Particules, 3 Rue Michel Ange, F-75794 Paris 16, France

[35] Univ Edinburgh, Inst Astron, Royal Observ, Blackford Hill, Edinburgh EH9 3HJ, Midlothian, Scotland

[36] ESAC ESA, Camino Bajo Castillo S-N, Madrid, Spain

[37] European Space Agcy, ESRIN, Largo Galileo Galilei 1, I-00044 Rome, Italy

[38] Ecole Polytech Fed Lausanne, Inst Phys, Astrophys Lab, Observ Sauverny, CH-1290 Versoix, Switzerland

[39] Univ Lisbon, Dept Fis, Fac Ciencias, Edificio C8, P-1749016 Lisbon, Portugal

[40] Univ Lisbon, Inst Astrofis & Ciencias Espaco, Fac Ciencias, P-1749016 Lisbon, Portugal

[41] Univ Paris Saclay, CNRS, Inst Astrophys Spatiale, F-91405 Orsay, France

[42] Univ Geneva, Dept Astron, Ch Ecogia 16, CH-1290 Versoix, Switzerland

[43] Univ Paris Cite, Univ Paris Saclay, CEA, CNRS,Astrophys Instrumentat & Modelisat Paris Sac, F-91191 Gif Sur Yvette, France

[44] CSIC, Inst Space Sci ICE, Campus UAB,Carrer Can Magrans S-N, Barcelona 08193, Spain

[45] Inst Estudis Espacials Catalunya IEEC, Carrer Gran Capita 2-4, Barcelona 08034, Spain

[46] INAF Osservatorio Astron Trieste, Via GB Tiepolo 11, I-34143 Trieste, Italy

[47] Aix Marseille Univ, CNRS, IN2P3, CPPM, Marseille, France

[48] INAF Osservatorio Astron Padova, Via Osservatorio 5, Padua, Italy

[49] Max Planck Inst Extraterr Phys, Giessenbachstr 1, D-85748 Garching, Germany

[50] CALTECH, Jet Prop Lab, 4800 Oak Grove Dr, Pasadena, CA 91109 USA

来源：

ASTRONOMY & ASTROPHYSICS | 2023年 / 677卷

基金：

加拿大自然科学与工程研究理事会;

关键词：

cosmology: observations; cosmological parameters; large-scale structure of Universe; surveys; OSCILLATION SPECTROSCOPIC SURVEY; REDSHIFT-SPACE DISTORTIONS; 3-POINT CORRELATION-FUNCTION; LARGE-SCALE STRUCTURE; PROBING DARK ENERGY; POWER SPECTRUM; GROWTH-RATE; REAL-SPACE; ACOUSTIC-OSCILLATIONS; DENSITY;

D O I：

10.1051/0004-6361/202346121

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We have investigated the cosmological constraints that can be expected from measurement of the cross-correlation of galaxies with cosmic voids identified in the Euclid spectroscopic survey, which will include spectroscopic information for tens of millions of galaxies over 15 000 deg(2) of the sky in the redshift range 0:9 <= z < 1:8. We have done this using simulated measurements obtained from the Flagship mock catalogue, the o fficial Euclid mock that closely matches the expected properties of the spectroscopic dataset. To mitigate anisotropic selection-bias e ffects, we have used a velocity field reconstruction method to remove large-scale redshift-space distortions from the galaxy field before void-finding. This allowed us to accurately model contributions to the observed anisotropy of the cross-correlation function arising from galaxy velocities around voids as well as from the Alcock-Paczynski e ffect, and we studied the dependence of constraints on the e fficiency of reconstruction. We find that Euclid voids will be able to constrain the ratio of the transverse comoving distance D-M and Hubble distance D-H to a relative precision of about 0 :3%, and the growth rate f sigma (8) to a precision of between 5% and 8% in each of the four redshift bins covering the full redshift range. In the standard cosmological model, this translates to a statistical uncertainty Lambda Omega(m) = +0.0028 on the matter density parameter from voids, which is better than what can be achieved from either Euclid galaxy clustering and weak lensing individually. We also find that voids alone can measure the dark energy equation of state to a 6% precision.

引用

页数：20

共 50 条

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