Probabilistic model for constraining the Galactic potential using tidal streams
We present a generative probabilistic model for a tidal stream and demonstrate how this model is used to constrain the Galactic potential. The model takes advantage of the simple structure of a stream in angle and frequency space for the correct potential. We investigate how the method performs on f...
| Main Author: | |
|---|---|
| Format: | Journal article |
| Published: |
2014
|
| _version_ | 1797061138752471040 |
|---|---|
| author | Sanders, J |
| author_facet | Sanders, J |
| author_sort | Sanders, J |
| collection | OXFORD |
| description | We present a generative probabilistic model for a tidal stream and demonstrate how this model is used to constrain the Galactic potential. The model takes advantage of the simple structure of a stream in angle and frequency space for the correct potential. We investigate how the method performs on full 6D mock stream data, and mock data with outliers included. As currently formulated the technique is computationally costly when applied to data with large observational errors, but we describe several modifications that promise to make the technique computationally tractable. |
| first_indexed | 2024-03-06T20:26:46Z |
| format | Journal article |
| id | oxford-uuid:2fa9b4b9-6af3-4b3d-9ce0-a42b23ee906c |
| institution | University of Oxford |
| last_indexed | 2024-03-06T20:26:46Z |
| publishDate | 2014 |
| record_format | dspace |
| spelling | oxford-uuid:2fa9b4b9-6af3-4b3d-9ce0-a42b23ee906c2022-03-26T12:56:39ZProbabilistic model for constraining the Galactic potential using tidal streamsJournal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:2fa9b4b9-6af3-4b3d-9ce0-a42b23ee906cSymplectic Elements at Oxford2014Sanders, JWe present a generative probabilistic model for a tidal stream and demonstrate how this model is used to constrain the Galactic potential. The model takes advantage of the simple structure of a stream in angle and frequency space for the correct potential. We investigate how the method performs on full 6D mock stream data, and mock data with outliers included. As currently formulated the technique is computationally costly when applied to data with large observational errors, but we describe several modifications that promise to make the technique computationally tractable. |
| spellingShingle | Sanders, J Probabilistic model for constraining the Galactic potential using tidal streams |
| title | Probabilistic model for constraining the Galactic potential using tidal
streams |
| title_full | Probabilistic model for constraining the Galactic potential using tidal
streams |
| title_fullStr | Probabilistic model for constraining the Galactic potential using tidal
streams |
| title_full_unstemmed | Probabilistic model for constraining the Galactic potential using tidal
streams |
| title_short | Probabilistic model for constraining the Galactic potential using tidal
streams |
| title_sort | probabilistic model for constraining the galactic potential using tidal streams |
| work_keys_str_mv | AT sandersj probabilisticmodelforconstrainingthegalacticpotentialusingtidalstreams |