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Euclid preparation. LXXVI. Simulating thousands of Euclid spectroscopic skies

Euclid Collaboration P. Monaco G. Parimbelli M. Y. Elkhashab J. Salvalaggio T. Castro +495 lainnya
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We present two extensive sets of 3500$+$1000 simulations of dark matter haloes on the past light cone and two corresponding sets of simulated (mock) galaxy catalogues that represent the spectroscopic sample of Euclid. The simulations were produced with the latest version of the code pin and provide the largest public set of simulated skies. The mock galaxy catalogues were obtained by populating haloes with galaxies using an halo occupation distribution (HOD) model extracted from the Flagship galaxy catalogue provided by Euclid Collaboration. The Geppetto set of 3500 simulated skies was obtained by tiling a $1.2 box to cover a light cone whose sky footprint is a circle with a radius of tdeg for an area of 2763 and a minimum halo mass of 1.5 The relatively small size of the box means that this set is unsuitable for measuring very large scales. The EuclidLargeBox set consists of 1000 simulations of $3.38 and has the same mass resolution and a footprint that covers half of the sky. It excludes the Milky Way zone of avoidance. From this, we produced a set of 1000 EuclidLargeMocks on the tdeg radius footprint, whose comoving volume is fully contained in the simulation box. We validated the two sets of catalogues by analysing number densities, power spectra, and two-point correlation functions to show that the Flagship spectroscopic catalogue is consistent with being one of the realisations of the simulated sets. We noted small deviations, however, that are limited to the quadrupole at k>0.2,̨mpc. We infer the cosmological parameters from these catalogues and demonstrate that using one realisation of EuclidLargeMocks in place of the Flagship mock produces the same posteriors to within the expected shift given by the sample variance. These simulated skies will be used for the galaxy clustering analysis of the Euclid Data Release 1 (DR1), and an even larger set of simulations is planned for the next releases.

Topik & Kata Kunci

Physics

Penulis (500)

E

Euclid Collaboration P. Monaco

G

G. Parimbelli

M

M. Y. Elkhashab

J

J. Salvalaggio

T

T. Castro

M

M. D. Lepinzan

E

E. Sarpa

E

E. Sefusatti

L

L. Stanco

L

L. Tornatore

G

G. E. Addison

S

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S. D. Torre

P

P. Fosalba

G

G. Lavaux

S

S. Lee

K

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K

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F

F. Passalacqua

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W. Percival

I

I. Risso

C

C. Scarlata

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M

M. Viel

Y

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B. Altieri

S

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M

M. Baldi

S

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N. S. D. D. F. E. Astronomia

U

U. Trieste

1

11 ViaTiepolo

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34127 Trieste

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Italy

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Inaf Trieste

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11 ViaG.B.Tiepolo

3

34127 Trieste

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Infn

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Sezione di Trieste

2

2. ViaValerio

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TS 34127Trieste

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I. -. C. N. D. R. I. H. P. Computing

B

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2

2. ViaMagnanelli

B

Bologna

I

Institute of Space Sciences

C

Campus Uab

C

Carrer de Can Magrans

S

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0

08193 Barcelona

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Spain.

D

D. Fisica

U

U. Genova

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I. Genova

3

33 viaDodecaneso

1

16146

G

Genova

S

Sissa

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International School for Advanced Studies

V

Via Bonomea 265

T

TS 34136Trieste

I

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I

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2

2. viaBeirut

3

34127 Trieste

I

INFN-Padova

8

8. viaMarzolo

3

35131 Padova

J

J. Baltimore

M

MD 21218

U

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C

C. I. O. Technology.

1

1. E. C. Blvd.

P

Pasadena

C

CA 91125

I

Inaf-Iasf Milano

1

12 ViaAlfonsoCorti

2

20133 Milano

I

I. D. E. D. Catalunya

E

Edifici Rdit

C

C. Upc

0

08860 Castelldefels

B

Barcelona

C

Centro de Investigaciones Energ'eticas

M

Medioambientales y Tecnol'ogicas

4

40 AvenidaComplutense

2

28014 Madrid

P

Port d'Informaci'o Cient'ifica

C

C. Sn

0

08193 Bellaterra

A

A. Universit'e

C

Cnrs

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L

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M

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F

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I

I. Paris

U

Umr 7095

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Sorbonne Universit'e

9

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7. Paris

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4

4800 Oak Grove Drive

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K. I. F. T. Physics

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U

U. Tokyo

K

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C

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J

Japan.

D

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U

U. Padova

W

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U

U. Waterloo

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Ontario N2L 3G1

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A

Astronomy

P

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Ontario N2L 2Y5

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Inaf Brera

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28 ViaBrera

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20133 Milano

3

33 viaDodecaneso

M

M. I. F. Astrophysics

U

U. Minnesota

S

SE 116ChurchSt

M

Minneapolis

M

MN 55455

I

Infrared Processing

A

A. Center

E

Esacesa

C

Camino Bajo de Castillo

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Sn

U

Urb. Villafranca del Castillo

2

28692 Villanueva de la Canada

M

Madrid

I

I. Bologna

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V. G. 933

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40129 Bologna

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D. Astronomia

U

U. Bologna

V

V. G. 932

I

I. Bologna

6

62 vialeBertiPichat

4

40129 Bologna

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Institut de Physique Th'eorique

C

Cea

U

Universit'e Paris-Saclay 91191 Gif-sur-Yvette Cedex

U

U. Genova

D

Department of PhysicsE. Pancini

U

U. Federico

6

6. ViaCinthia

8

80126

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16 viaMoiariello

8

80131 Napoli

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I. D. A. E. C. D. Espacco

U

U. Porto

C

Caup

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P. Porto

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F

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4

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2

2. Karl-Schwarzschild-Str.

8

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G

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U. Torino

1

1. ViaP.Giuria

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10125 Torino

I

I. Torino

I

I. Torino

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20 viaOsservatorio

1

1. P. Torinese

E

European Space AgencyESTEC

1

1. Keplerlaan

2

2. Noordwijk

T

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I

Institute Lorentz

L

Leiden University

2

2. NielsBohrweg

2

2333 CA Leiden

L

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5

55 Einsteinweg

2

2333 CC Leiden

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Inafiasf Roma

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33 viaFrascati

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I. Roma

P

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2

2. -. C. D. D. Fisica

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Edificio G. Marconi

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00133 Roma

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I. F. Physics

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Rwth Aachen University

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52056 Aachen

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I. Naples

D

D. Bologna

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Instituto de Astrof'isica de Canarias

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V'ia L'actea

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38205 La Laguna

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Tenerife

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Institute for Astronomy

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U. Edinburgh

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R. Observatory

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B. Hill

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Edinburgh EH9 3HJ

U

Uk

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J. B. C. F. Astrophysics

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1

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1. Universit'eClaudeBernardLyon

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Format Sitasi

APA MLA BibTeX
Monaco, E.C.P., Parimbelli, G., Elkhashab, M.Y., Salvalaggio, J., Castro, T., Lepinzan, M.D. et al. (2025). Euclid preparation. LXXVI. Simulating thousands of Euclid spectroscopic skies. https://doi.org/10.1051/0004-6361/202556459

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Lihat di Sumber doi.org/10.1051/0004-6361/202556459
Informasi Jurnal
Tahun Terbit
2025
Bahasa
en
Total Sitasi
2×
Sumber Database
Semantic Scholar
DOI
10.1051/0004-6361/202556459
Akses
Open Access ✓