Free Access
Table 4
Table of χ2 and BIC of the different ring models proposed in the text.
| Models | N param | N DOF | χ 2 | BIC |
|
|
||||
| #1. Circular ring | 5 | 430 | 590.0 | 620.4 |
| τ constant | ||||
| #2. Circular rings | 6 | 429 | 550.1 | 586.6 |
| r>Rconst, τ ∝ r− α | ||||
| r<Rconst, τ constant | ||||
| #3. Elliptic rings | 9 | 426 | 515.6 | 570.3 |
| r>Rconst, τ ∝ r− α | ||||
| r<Rconst, τ constant | ||||
| e> 0.8 | ||||
| Impact parameter ≠ 0 | ||||
| Position angle ≠ 0 | ||||
Notes. The value τ is the extinction.
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.