The Velocity Anisotropy of Distant Milky Way Halo Stars from Hubble Space Telescope Proper Motions
(2013)
Journal Article
Deason, A., Van der Marel, R., Guhathakurta, P., Sohn, S., & Brown, T. (2013). The Velocity Anisotropy of Distant Milky Way Halo Stars from Hubble Space Telescope Proper Motions. Astrophysical Journal, 766, https://doi.org/10.1088/0004-637x/766/1/24
Professor Alis Deason's Outputs (94)
Broken and Unbroken: The Milky Way and M31 Stellar Halos (2013)
Journal Article
Deason, A., Belokurov, V., Evans, N., & Johnston, K. (2013). Broken and Unbroken: The Milky Way and M31 Stellar Halos. Astrophysical Journal, 763, https://doi.org/10.1088/0004-637x/763/2/113
The cold veil of the Milky Way stellar halo (2012)
Journal Article
Deason, A., Belokurov, V., Evans, N., Koposov, S., Cooke, R., Peñarrubia, J., …Olszewski, E. (2012). The cold veil of the Milky Way stellar halo. Monthly Notices of the Royal Astronomical Society, 425(4), 2840-2853. https://doi.org/10.1111/j.1365-2966.2012.21639.xWe build a sample of distant (D > 80 kpc) stellar halo stars with measured radial velocities. Faint (20 < g < 22) candidate blue horizontal branch (BHB) stars were selected using the deep, but wide, multi-epoch Sloan Digital Sky Survey photometry. Fo... Read More about The cold veil of the Milky Way stellar halo.
The stretching of Hercules (2012)
Journal Article
Deason, A., Belokurov, V., Evans, N., Watkins, L., & Fellhauer, M. (2012). The stretching of Hercules. Monthly Notices of the Royal Astronomical Society, 425, L101-L105. https://doi.org/10.1111/j.1745-3933.2012.01314.x
Broken degeneracies: the rotation curve and velocity anisotropy of the Milky Way halo (2012)
Journal Article
Deason, A., Belokurov, V., Evans, N., & An, J. (2012). Broken degeneracies: the rotation curve and velocity anisotropy of the Milky Way halo. Monthly Notices of the Royal Astronomical Society, 424, L44-L48. https://doi.org/10.1111/j.1745-3933.2012.01283.x
Mass estimators in the Gaia era (2012)
Journal Article
An, J., Evans, N., & Deason, A. (2012). Mass estimators in the Gaia era. Monthly Notices of the Royal Astronomical Society, 420, 2562-2568. https://doi.org/10.1111/j.1365-2966.2011.20226.x
Elliptical Galaxy Masses Out to Five Effective Radii: The Realm of Dark Matter (2012)
Journal Article
Deason, A., Belokurov, V., Evans, N., & McCarthy, I. (2012). Elliptical Galaxy Masses Out to Five Effective Radii: The Realm of Dark Matter. Astrophysical Journal, 748, https://doi.org/10.1088/0004-637x/748/1/2
Global structure and kinematics of stellar haloes in cosmological hydrodynamic simulations (2012)
Journal Article
McCarthy, I., Font, A., Crain, R., Deason, A., Schaye, J., & Theuns, T. (2012). Global structure and kinematics of stellar haloes in cosmological hydrodynamic simulations. Monthly Notices of the Royal Astronomical Society, 420(3), 2245-2262. https://doi.org/10.1111/j.1365-2966.2011.20189.xWe use the Galaxies–Intergalactic Medium Interaction Calculation (GIMIC) suite of cosmological hydrodynamical simulations to study the global structure and kinematics of stellar spheroids of Milky Way mass disc galaxies. Font et al. have recently dem... Read More about Global structure and kinematics of stellar haloes in cosmological hydrodynamic simulations.
The Milky Way stellar halo out to 40 kpc: squashed, broken but smooth (2011)
Journal Article
Deason, A., Belokurov, V., & Evans, N. (2011). The Milky Way stellar halo out to 40 kpc: squashed, broken but smooth. Monthly Notices of the Royal Astronomical Society, 416, 2903-2915. https://doi.org/10.1111/j.1365-2966.2011.19237.x
Mismatch and misalignment: dark haloes and satellites of disc galaxies (2011)
Journal Article
Deason, A., McCarthy, I., Font, A., Evans, N., Frenk, C., Belokurov, V., …Theuns, T. (2011). Mismatch and misalignment: dark haloes and satellites of disc galaxies. Monthly Notices of the Royal Astronomical Society, 415(3), 2607-2625. https://doi.org/10.1111/j.1365-2966.2011.18884.xWe study the phase-space distribution of satellite galaxies associated with late-type galaxies in the GIMIC suite of simulations. GIMIC consists of resimulations of five cosmologically representative regions from the Millennium Simulation, which have... Read More about Mismatch and misalignment: dark haloes and satellites of disc galaxies.
Accurate Mass Estimators for Navarro-Frenk-White Halos (2011)
Journal Article
Evans, N., An, J., & Deason, A. (2011). Accurate Mass Estimators for Navarro-Frenk-White Halos. Astrophysical Journal Letters, 730, https://doi.org/10.1088/2041-8205/730/2/l26
Rotation of halo populations in the Milky Way and M31 (2011)
Journal Article
Deason, A., Belokurov, V., & Evans, N. (2011). Rotation of halo populations in the Milky Way and M31. Monthly Notices of the Royal Astronomical Society, 411, 1480-1494. https://doi.org/10.1111/j.1365-2966.2010.17785.x
The nature of HIabsorbers in gamma-ray burst afterglows: clues from hydrodynamic simulations (2010)
Journal Article
Pontzen, A., Deason, A., Governato, F., Pettini, M., Wadsley, J., Quinn, T., Brooks, A., Bellovary, J., & Fynbo, J. (2010). The nature of HIabsorbers in gamma-ray burst afterglows: clues from hydrodynamic simulations. Monthly Notices of the Royal Astronomical Society, 402, 1523-1535. https://doi.org/10.1111/j.1365-2966.2009.16017.x
Axi-symmetric models of auroral current systems in Jupiter's magnetosphere with predictions for the Juno mission (2008)
Journal Article
Cowley, S., Deason, A., & Bunce, E. (2008). Axi-symmetric models of auroral current systems in Jupiter's magnetosphere with predictions for the Juno mission. Annales Geophysicae, 26(12), 4051-4074. https://doi.org/10.5194/angeo-26-4051-2008We develop two related models of magnetosphere-ionosphere coupling in the jovian system by combining previous models defined at ionospheric heights with magnetospheric magnetic models that allow system parameters to be extended appropriately into the... Read More about Axi-symmetric models of auroral current systems in Jupiter's magnetosphere with predictions for the Juno mission.