chirptime module¶
- chirptime.chirptime(f, M, nu, chi)[source]¶
Over-estimates the chirp time in seconds from a certain frequency. Uses 2 pN chirp time from some starting frequency f in Hz where all negative contributions are dropped.
- chirptime.imr_time(f, m1, m2, j1, j2, f_max=None)[source]¶
Returns an overestimate of the inspiral time and the merger-ringdown time, both in seconds. Here, m1 and m2 are the component masses in kg, j1 and j2 are the dimensionless spin parameters of the components.
- chirptime.mergetime(M)[source]¶
Over-estimates the time from ISCO to merger in seconds. Assumes one last orbit at the maximum ISCO radius.
- chirptime.ringf(M, j)[source]¶
Computes the approximate ringdown frequency in Hz. Here j is the reduced Kerr spin parameter, j = c^2 a / G M.