中文
相关论文

相关论文: Accelerated evolution of galaxy host halo masses d…

200 篇论文

We report measurements of the galaxy two-point correlation function at cosmic dawn, using photometrically-selected sources from the JWST Advanced Deep Extragalactic Survey (JADES). The JWST/NIRCam dataset comprises approximately $N_g \simeq…

星系天体物理 · 物理学 2024-10-22 Nicolò Dalmasso , Nicha Leethochawalit , Michele Trenti , Kristan Boyett

We present a detailed investigation of the changing relationship between galaxies and the dark matter haloes they inhabit from z~1.2 to the present day. We do this by comparing precise galaxy clustering measurements over 133 deg2 of the…

宇宙学与河外天体物理 · 物理学 2015-05-28 J. Coupon , M. Kilbinger , H. J. McCracken , O. Ilbert , S. Arnouts , Y. Mellier , U. Abbas , S. de la Torre , Y. Goranova , P. Hudelot , J. -P. Kneib , O. Le fèvre

We investigate the growth of massive quiescent galaxies at $z<0.6$ based on the Sloan Digital Sky Survey and the Smithsonian Hectospec Lensing Survey---two magnitude limited spectroscopic surveys of high data quality and completeness. Our…

星系天体物理 · 物理学 2019-08-07 H. Jabran Zahid , Margaret J. Geller , Ivana Damjanov , Jubee Sohn

In cold dark matter cosmologies, the most massive dark matter halos undergo rapid growth between a redshift of z=1 and z=0, corresponding to the past 7 billion years of cosmic time. There is thus an expectation that the stellar masses of…

宇宙学与河外天体物理 · 物理学 2014-11-20 Michael J. I. Brown , the Bootes Field Collaborations

We model the evolution of the mean galaxy occupation of dark-matter halos over the range $0.1<z<1.3$, using the data from the VIMOS-VLT Deep Survey (VVDS). The galaxy projected correlation function $w_p(r_p)$ was computed for a set of…

We present a new model to describe the galaxy-dark matter connection across cosmic time, which unlike the popular subhalo abundance matching technique is self-consistent in that it takes account of the facts that (i) subhalos are accreted…

宇宙学与河外天体物理 · 物理学 2015-05-30 Xiaohu Yang , H. J. Mo , Frank C. van den Bosch , Youcai Zhang , Jiaxin Han

We model the luminosity-dependent projected two-point correlation function of DEEP2 (z~1) and SDSS (z~0) galaxies within the Halo Occupation Distribution (HOD) framework. At both epochs, there is a tight correlation between central galaxy…

天体物理学 · 物理学 2008-11-26 Zheng Zheng , Alison L. Coil , Idit Zehavi

The JWST mission is in the process of probing the galaxy mass function at $z>10$, when conceivably any delay in halo assembly due to the presence of a dwarf galaxy-scale power spectrum cutoff may drastically suppress the number of galaxies…

宇宙学与河外天体物理 · 物理学 2023-06-05 Mark R. Lovell

We utilize $\Lambda$CDM halo occupation models of galaxy clustering to investigate the evolving stellar mass dependent clustering of galaxies in the PRIsm MUlti-object Survey (PRIMUS) and DEEP2 Redshift Survey over the past eight billion…

Early-type galaxies (ETGs) are observed to be more compact, on average, at $z \gtrsim 2$ than at $z\simeq 0$, at fixed stellar mass. Recent observational works suggest that such size evolution could reflect the similar evolution of the host…

宇宙学与河外天体物理 · 物理学 2015-06-17 Lorenzo Posti , Carlo Nipoti , Massimo Stiavelli , Luca Ciotti

Galaxy-galaxy weak lensing is a direct probe of the mean matter distribution around galaxies. The depth and sky coverage of the CFHT Legacy Survey yield statistically significant galaxy halo mass measurements over a much wider range of…

We study the evolution of stellar mass in galaxies as a function of host halo mass, using the "MPA" and "Durham" semi-analytic models, implemented on the Millennium Run simulation. The results from both models are similar. We find that…

宇宙学与河外天体物理 · 物理学 2015-05-27 Idit Zehavi , Santiago Patiri , Zheng Zheng

We use measurements of the stellar mass function, galaxy clustering, and galaxy-galaxy lensing within the COSMOS survey to constrain the stellar-to-halo mass relation (SHMR) of star forming and quiescent galaxies over the redshift range…

宇宙学与河外天体物理 · 物理学 2015-06-16 Jeremy L. Tinker , Alexie Leauthaud , Kevin Bundy , Matthew R. George , Peter Behroozi , Richard Massey , Jason Rhodes , Risa Wechsler

Star-forming galaxies constitute the majority of galaxies with stellar masses >10^10 M_Sun/h^2 at z~2 and dominate the star-formation rate density of the Universe at this early epoch. It is thus critical to understand their origins,…

天体物理学 · 物理学 2009-11-13 Charlie Conroy , Alice E. Shapley , Jeremy L. Tinker , Michael R. Santos , Gerard Lemson

We describe the first results from two observational projects aimed at measuring the amount and spatial distribution of dark matter in distant early-type galaxies (E/S0s) and clusters of galaxies. At the galaxy scale, the Lenses Structure…

天体物理学 · 物理学 2007-05-23 T. Treu , L. V. E. Koopmans , D. J. Sand , G. P. Smith , R. S. Ellis

We apply the empirical method built for z=0 in the previous work of Wang et al. to a higher redshift, to link galaxy stellar mass directly with its hosting dark matter halo mass at z~0.8. The relation of the galaxy stellar mass and the host…

宇宙学与河外天体物理 · 物理学 2015-05-14 Lan Wang , Y. P. Jing

(Shortened) We use N-body simulations to investigate the structure and dynamical evolution of dark matter halos in galaxy clusters. Our sample consists of nine massive halos from an EdS universe with scale free power spectrum and n = -1.…

天体物理学 · 物理学 2015-06-24 Giuseppe Tormen , Francois R. Bouchet , Simon D. M. White

We employ high-resolution zoom-in cosmological simulations to analyze the emerging morphology of galaxies in dark matter halos at redshifts z > 2. We choose DM halos of similar masses of log (Mvir/Mo) ~11.65 +- 0.05 at the target redshifts…

星系天体物理 · 物理学 2022-02-23 Da Bi , Isaac Shlosman , Emilio Romano-Diaz

We use the halo occupation distribution (HOD) framework to characterise the predictions from two independent galaxy formation models for the galactic content of dark matter haloes and its evolution with redshift. Our galaxy samples…

星系天体物理 · 物理学 2016-12-16 S. Contreras , I. Zehavi , C. M. Baugh , N. Padilla , P. Norberg
‹ 上一页 1 2 3 10 下一页 ›