A high-resolution cosmological simulation of a strong gravitational lens

被引：12

作者：

Richings, Jack ^{[1
,2
]}

Frenk, Carlos ^{[1
]}

Jenkins, Adrian ^{[1
]}

Robertson, Andrew ^{[1
]}

Schaller, Matthieu ^{[3
]}

机构：

[1] Univ Durham, Inst Computat Cosmol, Dept Phys, South Rd, Durham DH1 3LE, England

[2] Univ Durham, Inst Particle Phys Phenomenol, Dept Phys, South Rd, Durham DH1 3LE, England

[3] Leiden Univ, Leiden Observ, POB 9513, NL-2300 RA Leiden, Netherlands

来源：

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY | 2021年 / 501卷 / 03期

基金：

欧洲研究理事会; 英国科学技术设施理事会;

关键词：

gravitational lensing: strong; dark matter; cosmology: theory; HALO MASS FUNCTION; LARGE-SCALE STRUCTURE; DARK-MATTER; GALAXY FORMATION; ACS SURVEY; EVOLUTION; SUBSTRUCTURE; PHYSICS; SUBHALOES; DEPLETION;

D O I：

10.1093/mnras/staa4013

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We present a cosmological hydrodynamical simulation of a 10(13) M-circle dot galaxy group and its environment (out to 10 times the virial radius) carried out using the EAGLE model of galaxy formation. Exploiting a novel technique to increase the resolution of the dark matter calculation independently of that of the gas, the simulation resolves dark matter haloes and subhaloes of mass 5 x 10(6) M-circle dot. It is therefore useful for studying the abundance and properties of the haloes and subhaloes targeted in strong lensing tests of the cold dark matter model. We estimate the halo and subhalo mass functions and discuss how they are affected both by the inclusion of baryons in the simulation and by the environment. We find that the halo and subhalo mass functions have lower amplitude in the hydrodynamical simulation than in its dark-matter-only counterpart. This reflects the reduced growth of haloes in the hydrodynamical simulation due to the early loss of gas by reionization and galactic winds and, additionally, in the case of subhaloes, disruption by enhanced tidal effects within the host halo due to the presence of a massive central galaxy. The distribution of haloes is highly anisotropic reflecting the filamentary character of mass accretion on to the cluster. As a result, there is significant variation in the number of structures with viewing direction. The median number of structures near the centre of the halo, when viewed in projection, is reduced by a factor of 2 when baryons are included.

引用

页码：4657 / 4668

页数：12

共 63 条

[1] Planck intermediate results XLVII. Planck constraints on reionization history [J].

Adam, R. ;

Aghanim, N. ;

Ashdown, M. ;

Aumont, J. ;

Baccigalupi, C. ;

Ballardini, M. ;

Banday, A. J. ;

Barreiro, R. B. ;

Bartolo, N. ;

Basak, S. ;

Battye, R. ;

Benabed, K. ;

Bernard, J. -P. ;

Bersanelli, M. ;

Bielewicz, P. ;

Bock, J. J. ;

Bonaldi, A. ;

Bonavera, L. ;

Bond, J. R. ;

Borrill, J. ;

Bouchet, F. R. ;

Boulanger, F. ;

Bucher, M. ;

Burigana, C. ;

Calabrese, E. ;

Cardoso, J. -F. ;

Carron, J. ;

Chiang, H. C. ;

Colombo, L. P. L. ;

Combet, C. ;

Comis, B. ;

Couchot, F. ;

Coulais, A. ;

Crill, B. P. ;

Curto, A. ;

Cuttaia, F. ;

Davis, R. J. ;

de Bernardis, P. ;

de Rosa, A. ;

de Zotti, G. ;

Delabrouille, J. ;

Di Valentino, E. ;

Dickinson, C. ;

Diego, J. M. ;

Dore, O. ;

Douspis, M. ;

Ducout, A. ;

Dupac, X. ;

Elsner, F. ;

Ensslin, T. A. .

ASTRONOMY & ASTROPHYSICS, 2016, 596

[2] Planck 2013 results. I. Overview of products and scientific results [J].

Ade, P. A. R. ;

Aghanim, N. ;

Alves, M. I. R. ;

Armitage-Caplan, C., I ;

Amaud, M. ;

Ashdown, M. ;

Atrio-Barandela, F. ;

Aumont, J. ;

Ausse, H. ;

Baccigalupi, C. ;

Banday, A. J. ;

Barreiro, R. B. ;

Barrenass, R. ;

Bartelmann, M. ;

Bartlett, J. G. ;

Bartolo, N. ;

Basak, S. ;

Battaner, E. ;

Battye, R. ;

Benabed, K. ;

Benoit, A. ;

Benoit-Levy, A. ;

Bernard, J. -P. ;

Bersanelli, M. ;

Bertincourt, B. ;

Bethermin, M. ;

Bielewicz, P. ;

Bikmaev, I. ;

Blanchard, A. ;

Bobin, J. ;

Bock, J. J. ;

Boehringer, H. ;

Bonaldi, A. ;

Bonavera, L. ;

Bond, J. R. ;

Borrill, J. ;

Bouchet, F. R. ;

Boulanger, F. ;

Bourdin, H. ;

Bowyer, J. W. ;

Bridges, M. ;

Brown, M. L. ;

Bucher, M. ;

Burenin, R. ;

Burigana, C. ;

Butler, R. C. ;

Calabrese, E. ;

Cappellini, B. ;

Cardoso, J. -F. ;

Carr, R. .

ASTRONOMY & ASTROPHYSICS, 2014, 571

[3] The Hydrangea simulations: galaxy formation in and around massive clusters [J].

Bahe, Yannick M. ;

Barnes, David J. ;

Vecchia, Claudio Dalla ;

Kay, Scott T. ;

White, Simon D. M. ;

McCarthy, Ian G. ;

Schaye, Joop ;

Bower, Richard G. ;

Crain, Robert A. ;

Theuns, Tom ;

Jenkins, Adrian ;

McGee, Sean L. ;

Schaller, Matthieu ;

Thomas, Peter A. ;

Trayford, James W. .

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 2017, 470 (04) :4186-4208

[4] The detailed structure and the onset of galaxy formation in low-mass gaseous dark matter haloes [J].

Benitez-Llambay, Alejandro ;

Frenk, Carlos .

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 2020, 498 (04) :4887-4900

[5] The luminosity functions and stellar masses of galactic disks and spheroids [J].

Benson, AJ ;

Frenk, CS ;

Sharples, RM .

ASTROPHYSICAL JOURNAL, 2002, 574 (01) :104-113

[6] Halo formation in warm dark matter models [J].

Bode, P ;

Ostriker, JP ;

Turok, N .

ASTROPHYSICAL JOURNAL, 2001, 556 (01) :93-107

[7] The Sloan Lens ACS Survey. VII. Elliptical galaxy scaling laws from direct observational mass measurements [J].

Bolton, Adam S. ;

Treu, Tommaso ;

Koopmans, Leon V. E. ;

Gavazzi, Raphael ;

Moustakas, Leonidas A. ;

Burles, Scott ;

Schlegel, David J. ;

Wayth, Randall .

ASTROPHYSICAL JOURNAL, 2008, 684 (01) :248-259

[8] The Sloan Lens ACS Survey. I. A large spectroscopically selected sample of massive early-type lens galaxies [J].

Bolton, AS ;

Burles, S ;

Koopmans, LVE ;

Treu, T ;

Moustakas, LA .

ASTROPHYSICAL JOURNAL, 2006, 638 (02) :703-724

[9] Substructure and galaxy formation in the Copernicus Complexio warm dark matter simulations [J].

Bose, Sownak ;

Hellwing, Wojciech A. ;

Frenk, Carlos S. ;

Jenkins, Adrian ;

Lovell, Mark R. ;

Helly, John C. ;

Li, Baojiu ;

Gonzalez-Perez, Violeta ;

Gao, Liang .

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 2017, 464 (04) :4520-4533

[10] Unidentified Line in X-Ray Spectra of the Andromeda Galaxy and Perseus Galaxy Cluster [J].

Boyarsky, A. ;

Ruchayskiy, O. ;

Iakubovskyi, D. ;

Franse, J. .

PHYSICAL REVIEW LETTERS, 2014, 113 (25)

← 1 2 3 4 5 6 7 →