cogwheel.gw_utilsΒΆ

Utility functions specific to gravitational waves.

Functions

chieff

Effective spin.

detector_travel_times

Return light travel time between two detectors [seconds].

eta_to_q

q = m2/m1 as a function of eta = q / (1+q)**2.

fplus_fcross

Return a (2 x n_detectors) array with F+, Fx antenna coefficients.

get_fplus_fcross_0

Return array with antenna response functions fplus, fcross with polarization psi=0.

get_geocenter_delays

Return array of shape (n_detectors, ...) time delays from geocenter [s].

isco_frequency

Gravitational-wave frequency of the innermost stable circular orbit.

m1m2_to_mchirp

Return chirp mass given component masses.

mchirpeta_to_m1m2

Return m1, m2 given mchirp, eta.

mchirpeta_to_mtot

Return mtot given mchirp, eta.

q_to_eta

eta = q / (1+q)**2 as a function of q = m2/m1.

time_delay_from_geocenter

Return an array with delay times from Earth center [seconds].