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Science Topics
Alex Drlica-Wagner edited this page Apr 4, 2017
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Below are a set of initial topics that could make their way into a dark matter white paper. This table is very rough, and a more fleshed out version would be a great deliverable for this hack session.
| Topic | Description | References |
|---|---|---|
| Dwarf Galaxies (and Low Surface Brightness Galaxies) | Luminosity function (missing satellites), kinematics and density (too big to fail), wide binary fraction, constraining anisotropy parameter with proper motions | Williams, et al. 2016 |
| Stellar Streams | Gaps in streams (dark subhalos), stream kinematics (Milky Way halo) | Bovy et al. 2016 |
| Colliding Clusters | Mass-light offset (dark matter self-interaction) | Wittman, Golovich, & Dawson 2017 |
| Galaxy Strong Lenses | Flux ratio, astrometric, and timing anomalies, dynamical relaxation | Nierenberg et al. 2017 |
| MACHOs | Microlensing searches |
Low Mass End: High Mass End: |
| Milky Way Halo | Local dark matter density, dynamics from proper motions, halo triaxiality, RR Lyrae | |
| Multi-Wavelength |
What can we learn by combining with x-rays, gamma-rays, radio, etc.? annihilation/decay from dSphs, clusters, cross-correlation, etc. |
|
| Multi-Messenger | What can we learn by combining with neutrinos & gravitational waves? | |
| Lyman-alpha Forest | Lyman alpha forest with high-redshift QSOs | |
| Cluster Density Profile |
Cluster density profile constraints on self-interacting dark matter (LSST provides weak and strong lensing constraints on the profile and you can go to even smaller radii by coupling LSST’s measurements with spectroscopic velocity dispersion measurements of the BCG) |
|
| Theory | Theoretical work needed to support LSST observations | Sawala et al. 2017 |