All Outputs (23)

Is the Core-cusp Problem a Matter of Perspective? Jeans Anisotropic Modeling against Numerical Simulations (2022)
Journal Article
Wang, W., Zhu, L., Li, Z., Chen, Y., Han, J., He, F., …Gomez, F. A. (2022). Is the Core-cusp Problem a Matter of Perspective? Jeans Anisotropic Modeling against Numerical Simulations. Astrophysical Journal, 941(2), Article 108. https://doi.org/10.3847/1538-4357/ac9b19

Mock member stars for 28 dwarf galaxies are constructed from the cosmological auriga simulation, which reflects the dynamical status of realistic stellar tracers. Axisymmetric Jeans Anisotropic Multi-Gaussian Expansion (jam) modeling is applied to 60... Read More about Is the Core-cusp Problem a Matter of Perspective? Jeans Anisotropic Modeling against Numerical Simulations.

What to expect from dynamical modelling of galactic haloes (2017)
Journal Article
Wang, W., Han, J., Cole, S., Frenk, C., & Sawala, T. (2017). What to expect from dynamical modelling of galactic haloes. Monthly Notices of the Royal Astronomical Society, 470(2), 2351-2366. https://doi.org/10.1093/mnras/stx1334

Many dynamical models of the Milky Way halo require assumptions that the distribution function of a tracer population should be independent of time (i.e. a steady-state distribution function) and that the underlying potential is spherical. We study t... Read More about What to expect from dynamical modelling of galactic haloes.

Galaxy formation in the Planck cosmology – IV. Mass and environmental quenching, conformity and clustering (2017)
Journal Article
Henriques, B. M., White, S. D., Thomas, P. A., Angulo, R. E., Guo, Q., Lemson, G., & Wang, W. (2017). Galaxy formation in the Planck cosmology – IV. Mass and environmental quenching, conformity and clustering. Monthly Notices of the Royal Astronomical Society, 469(3), 2626-2645. https://doi.org/10.1093/mnras/stx1010

We study the quenching of star formation as a function of redshift, environment and stellar mass in the galaxy formation simulations of Henriques et al. (2015), which implement an updated version of the Munich semi-analytic model (L-GALAXIES) on the... Read More about Galaxy formation in the Planck cosmology – IV. Mass and environmental quenching, conformity and clustering.

The faint end of the 250 μm luminosity function at z < 0.5 (2016)
Journal Article
Wang, L., Norberg, P., Bethermin, M., Bourne, N., Cooray, A., Cowley, W., …Viero, M. (2016). The faint end of the 250 μm luminosity function at z < 0.5. Astronomy & Astrophysics, 592, Article L5. https://doi.org/10.1051/0004-6361/201629076

Aims. We aim to study the 250 μm luminosity function (LF) down to much fainter luminosities than achieved by previous efforts. Methods. We developed a modified stacking method to reconstruct the 250 μm LF using optically selected galaxies from the SD... Read More about The faint end of the 250 μm luminosity function at z < 0.5.

GAMA/H-ATLAS: common star formation rate indicators and their dependence on galaxy physical parameters (2016)
Journal Article
Wang, L., Norberg, P., Gunawardhana, M., Heinis, S., Baldry, I., Bland-Hawthorn, J., …van der Werf, P. (2016). GAMA/H-ATLAS: common star formation rate indicators and their dependence on galaxy physical parameters. Monthly Notices of the Royal Astronomical Society, 461(2), 1898-1916. https://doi.org/10.1093/mnras/stw1450

We compare common star formation rate (SFR) indicators in the local Universe in the Galaxy and Mass Assembly (GAMA) equatorial fields (∼160 deg2), using ultraviolet (UV) photometry from GALEX, far-infrared and sub-millimetre (sub-mm) photometry from... Read More about GAMA/H-ATLAS: common star formation rate indicators and their dependence on galaxy physical parameters.

A weak gravitational lensing recalibration of the scaling relations linking the gas properties of dark haloes to their mass (2015)
Journal Article
Wang, W., White, S. D., Mandelbaum, R., Henriques, B., Anderson, M. E., & Han, J. (2016). A weak gravitational lensing recalibration of the scaling relations linking the gas properties of dark haloes to their mass. Monthly Notices of the Royal Astronomical Society, 456(3), 2301-2320. https://doi.org/10.1093/mnras/stv2809

We use weak gravitational lensing to measure mean mass profiles around locally brightest galaxies (LBGs). These are selected from the Seventh Data Release of the Sloan Digital Sky Survey spectroscopic and photometric catalogues to be brighter than an... Read More about A weak gravitational lensing recalibration of the scaling relations linking the gas properties of dark haloes to their mass.

Erratum: "HerMES: ALMA Imaging of Herschel-selected Dusty Star-forming Galaxies" (2015, ApJ, 812, 43) (2015)
Journal Article
Bussmann, R., Riechers, D., Fialkov, A., Scudder, J., Hayward, C., Cowley, W., …Wardlow, J. (2015). Erratum: "HerMES: ALMA Imaging of Herschel-selected Dusty Star-forming Galaxies" (2015, ApJ, 812, 43). Astrophysical Journal, 815(2), Article 135. https://doi.org/10.1088/0004-637x/815/2/135

The original published article omitted the final 6 panels of Figure 2. In addition, the original article included an older version of Figure 3 that does not have source labels shown in each panel.

The orbital PDF: the dynamical state of Milky Way sized haloes and the intrinsic uncertainty in the determination of their masses (2015)
Journal Article
Han, J., Wang, W., Cole, S., & Frenk, C. S. (2016). The orbital PDF: the dynamical state of Milky Way sized haloes and the intrinsic uncertainty in the determination of their masses. Monthly Notices of the Royal Astronomical Society, 456(1), 1017-1029. https://doi.org/10.1093/mnras/stv2522

Using realistic cosmological simulations of Milky Way sized haloes, we study their dynamical state and the accuracy of inferring their mass profiles with steady-state models of dynamical tracers. We use a new method that describes the phase-space dis... Read More about The orbital PDF: the dynamical state of Milky Way sized haloes and the intrinsic uncertainty in the determination of their masses.

The orbital PDF: general inference of the gravitational potential from steady-state tracers (2015)
Journal Article
Han, J., Wang, W., Cole, S., & Frenk, C. S. (2016). The orbital PDF: general inference of the gravitational potential from steady-state tracers. Monthly Notices of the Royal Astronomical Society, 456(1), 1003-1016. https://doi.org/10.1093/mnras/stv2707

We develop two general methods to infer the gravitational potential of a system using steady-state tracers, i.e. tracers with a time-independent phase-space distribution. Combined with the phase-space continuity equation, the time independence implie... Read More about The orbital PDF: general inference of the gravitational potential from steady-state tracers.

Galaxy And Mass Assembly (GAMA): Panchromatic Data Release (far-UV-far-IR) and the low-z energy budget (2015)
Journal Article
Driver, S. P., Wright, A. H., Andrews, S. K., Davies, L. J., Kafle, P. R., Lange, R., …Williams, R. (2016). Galaxy And Mass Assembly (GAMA): Panchromatic Data Release (far-UV-far-IR) and the low-z energy budget. Monthly Notices of the Royal Astronomical Society, 455(4), 3911-3942. https://doi.org/10.1093/mnras/stv2505

We present the Galaxy And Mass Assembly (GAMA) Panchromatic Data Release (PDR) constituting over 230 deg2 of imaging with photometry in 21 bands extending from the far-UV to the far-IR. These data complement our spectroscopic campaign of over 300k ga... Read More about Galaxy And Mass Assembly (GAMA): Panchromatic Data Release (far-UV-far-IR) and the low-z energy budget.

Erratum: Estimating the dark matter halo mass of our Milky Way using dynamical tracers (2015)
Journal Article
Wang, W., Han, J., Cooper, A., Cole, S., Frenk, C., & Lowing, B. (2016). Erratum: Estimating the dark matter halo mass of our Milky Way using dynamical tracers. Monthly Notices of the Royal Astronomical Society, 455(2), https://doi.org/10.1093/mnras/stv2535

Our paper ‘Estimating the dark matter halo mass of our Milky Way using dynamical tracers’ published in MNRAS, 2015, 453, 377 contained typographic errors in equations (12) and (6) as detailed below. Our code used the correct expressions in both cases... Read More about Erratum: Estimating the dark matter halo mass of our Milky Way using dynamical tracers.

Evidence of the Missing Baryons from the Kinematic Sunyaev-Zeldovich Effect in Planck Data (2015)
Journal Article
Hernández-Monteagudo, C., Ma, Y., Kitaura, F. S., Wang, W., Génova-Santos, R., Macías-Pérez, J., & Herranz, D. (2015). Evidence of the Missing Baryons from the Kinematic Sunyaev-Zeldovich Effect in Planck Data. Physical Review Letters, 115(19), Article 191301. https://doi.org/10.1103/physrevlett.115.191301

We estimate the amount of the missing baryons detected by the Planck measurements of the cosmic microwave background in the direction of central galaxies (CGs) identified in the Sloan galaxy survey. The peculiar motion of the gas inside and around th... Read More about Evidence of the Missing Baryons from the Kinematic Sunyaev-Zeldovich Effect in Planck Data.

HerMES: ALMA Imaging of Herschel-selected Dusty Star-forming Galaxies (2015)
Journal Article
Bussmann, R., Riechers, D., Fialkov, A., Scudder, J., Hayward, C., Cowley, W., …Wardlow, J. (2015). HerMES: ALMA Imaging of Herschel-selected Dusty Star-forming Galaxies. Astrophysical Journal, 812(1), Article 43. https://doi.org/10.1088/0004-637x/812/1/43

The Herschel Multi-tiered Extragalactic Survey (HerMES) has identified large numbers of dusty star-forming galaxies (DSFGs) over a wide range in redshift. A detailed understanding of these DSFGs is hampered by the limited spatial resolution of Hersch... Read More about HerMES: ALMA Imaging of Herschel-selected Dusty Star-forming Galaxies.

Planes of satellite galaxies: when exceptions are the rule (2015)
Journal Article
Cautun, M., Bose, S., Frenk, C. S., Guo, Q., Han, J., Hellwing, W. A., Sawala, T., & Wang, W. (2015). Planes of satellite galaxies: when exceptions are the rule. Monthly Notices of the Royal Astronomical Society, 452(4), 3838-3852. https://doi.org/10.1093/mnras/stv1557

The detection of planar structures within the satellite systems of both the Milky Way (MW) and Andromeda (M31) has been reported as being in stark contradiction to the predictions of the standard cosmological model (Λ cold dark matter – ΛCDM). Given... Read More about Planes of satellite galaxies: when exceptions are the rule.

Galaxy And Mass Assembly (GAMA): the effect of close interactions on star formation in galaxies (2015)
Journal Article
Davies, L., Robotham, A., Driver, S., Alpaslan, M., Baldry, I., Bland-Hawthorn, J., …Smith, M. (2015). Galaxy And Mass Assembly (GAMA): the effect of close interactions on star formation in galaxies. Monthly Notices of the Royal Astronomical Society, 452(1), 616-636. https://doi.org/10.1093/mnras/stv1241

The modification of star formation (SF) in galaxy interactions is a complex process, with SF observed to be both enhanced in major mergers and suppressed in minor pair interactions. Such changes likely to arise on short time-scales and be directly re... Read More about Galaxy And Mass Assembly (GAMA): the effect of close interactions on star formation in galaxies.

Estimating the dark matter halo mass of our Milky Way using dynamical tracers (2015)
Journal Article
Wang, W., Han, J., Cooper, A. P., Cole, S., Frenk, C., & Lowing, B. (2015). Estimating the dark matter halo mass of our Milky Way using dynamical tracers. Monthly Notices of the Royal Astronomical Society, 453(1), 377-400. https://doi.org/10.1093/mnras/stv1647

The mass of the dark matter halo of the Milky Way can be estimated by fitting analytical models to the phase-space distribution of dynamical tracers. We test this approach using realistic mock stellar haloes constructed from the Aquarius N-body simul... Read More about Estimating the dark matter halo mass of our Milky Way using dynamical tracers.

Unifying X-ray scaling relations from galaxies to clusters (2015)
Journal Article
Anderson, M. E., Gaspari, M., White, S. D., Wang, W., & Dai, X. (2015). Unifying X-ray scaling relations from galaxies to clusters. Monthly Notices of the Royal Astronomical Society, 449(4), 3806-3826. https://doi.org/10.1093/mnras/stv437

We examine a sample of ∼250 000 ‘locally brightest galaxies’ selected from the Sloan Digital Sky Survey to be central galaxies within their dark matter haloes. We stack the X-ray emission from these haloes, as a function of the stellar mass of the ce... Read More about Unifying X-ray scaling relations from galaxies to clusters.

Co-evolution of black hole growth and star formation from a cross-correlation analysis between quasars and the cosmic infrared background (2015)
Journal Article
Wang, L., Viero, M., Ross, N., Asboth, V., Béthermin, M., Bock, J., …Zemcov, M. (2015). Co-evolution of black hole growth and star formation from a cross-correlation analysis between quasars and the cosmic infrared background. Monthly Notices of the Royal Astronomical Society, 449(4), 4476-4493. https://doi.org/10.1093/mnras/stv559

We present the first cross-correlation measurement between Sloan Digital Sky Survey type 1 quasars and the cosmic infrared background (CIB) measured by Herschel. The quasars cover the redshift range 0.15 < z < 3.5 where most of the CIB originates. We... Read More about Co-evolution of black hole growth and star formation from a cross-correlation analysis between quasars and the cosmic infrared background.

A new spin on discs of satellite galaxies (2015)
Journal Article
Cautun, M., Wang, W., Frenk, C., & Sawala, T. (2015). A new spin on discs of satellite galaxies. Monthly Notices of the Royal Astronomical Society, 449(3), 2576-2587. https://doi.org/10.1093/mnras/stv490

We investigate the angular and kinematic distributions of satellite galaxies around a large sample of bright isolated primaries in the spectroscopic and photometric catalogues of the Sloan Digital Sky Survey (SDSS). We detect significant anisotropy i... Read More about A new spin on discs of satellite galaxies.

Creating mock catalogues of stellar haloes from cosmological simulations (2015)
Journal Article
Lowing, B., Wang, W., Cooper, A., Kennedy, R., Helly, J., Cole, S., & Frenk, C. (2015). Creating mock catalogues of stellar haloes from cosmological simulations. Monthly Notices of the Royal Astronomical Society, 446(3), 2274-2290. https://doi.org/10.1093/mnras/stu2257

We present a new technique for creating mock catalogues of the individual stars that make up the accreted component of stellar haloes in cosmological simulations and show how the catalogues can be used to test and interpret observational data. The ca... Read More about Creating mock catalogues of stellar haloes from cosmological simulations.