GPM GROUND VALIDATION SATELLITE SIMULATED ORBITS C3VP V1 National Aeronautics and Space Administration — The GPM Ground Validation Satellite Simulated Orbits TWP-ICE dataset is available in the Orbital database, which takes account for the atmospheric profiles, the. GPM GROUND VALIDATION SATELLITE SIMULATED ORBITS TWP-ICE V1 This project has been supported by funding from National Science Foundation grant PHY-1560077. We find a possible relationship between a quiescent galactic assembly history and a distribution of satellite kinematics resembling that of the Milky Way.
We analyze several high-resolution ("zoom-in") hydrodynamical simulations of Milky Way-mass galaxies and their associated satellite systems to investigate why previous works found Milky Way-like systems to be rare. Previous studies of Milky Way-mass systems analyzed in a semi-analytic ΛCDM cosmological model have found that the satellites tend to have significantly larger fractions of their kinetic energy invested in radial motion with respect to their central galaxy than do the real-world Milky Way satellites. The particular problem that we are investigating is a discrepancy in the distribution of orbital eccentricities. We compare the orbital properties of the satellite galaxies of the Milky Way to those of satellites found in simulated Milky Way-like systems as a means of testing cosmological simulations of galaxy formation.
Haji, Umran Pryor, Carlton Applebaum, Elaad Brooks, Alyson The Eccentric Satellites Problem: Comparing Milky Way Satellite Orbital Properties to Simulation Results National Aeronautics and Space Administration — The GPM Ground Validation Satellite Simulated Orbits LPVEx dataset is available in the Orbital database, which takes account for the atmospheric profiles, the. GPM GROUND VALIDATION SATELLITE SIMULATED ORBITS LPVEX V1
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