Free Access

Table 1

Location of the event and cosmological horizon, and of the innermost and outermost stable circular orbits for R0 > 0 in f(R)-Schwarzschild space-time.

R0 Radius Radius Radius innermost Radius outermost
event horizon cosmological horizon stable circular orbit stable circular orbit

10-12 xeh = 2 xch = 3.46 × 106 xisco = 6 xosco = 14   421.70
10-6 xeh = 2 xch = 3463.10 xisco = 6.00016 xosco = 143.45
10-4 xeh = 2 xch = 345.40 xisco = 6.02 xosco = 30.16
10-3 xeh = 2.00067 xch = 108.53 xisco = 6.19 xosco = 13.17
2 × 10-3 xeh = 2.00134 xch = 76.44 xisco = 6.51 xosco = 9.80
2.84 × 10-3 xeh = 2.0019 xch = 63.98 xisco = 7.40 xosco = 7.60

Notes. Here x ≡ r/rg.

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.