Free Access
Table 1
Basic estimates for PSR B1931+24.
Stellar radius | R∗ = 10 km |
Stellar mass | M∗ = 1,4 solar mass = 2.7 × 1030 kg |
Stellar surface magnetic field (pole) | B∗ = 2.6 × 108 T |
Observed period | P = 0.813 s-1 |
Observed pulsation | Ω∗ = 7.728 s |
Observed frequency shift when on | s-2 |
Observed frequency shift when off | s-2 |
Light cylinder radius | Rlc = c/Ω = 3,879 × 107 m = 2,6 × 10-4 AU |
Polar cap radius | Rpc = R∗(ΩR/c)1/2 = 160 m |
Goldreich-Julian current | A |
Kramer current | ΔIpc = 8 × 1011 A |
|
|
Semi-major axis for a 35-day orbit | a35 = 3.49597 × 1010 m = 0.23 AU |
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.