pttools.omgw0.const

Constants for the omgw0 module

Attributes

pttools.omgw0.const.Fgw0 = 3.57e-05

arXiv:1910.13125v1 eqn 20

pttools.omgw0.const.fs0_ref = 2.6e-06

# Eqn 2.13 of arXiv:2106.05984

pttools.omgw0.const.G0 = 2

Caprini et al., 2020 p. 12

pttools.omgw0.const.GS0 = 3.91

Caprini et al., 2020 p. 12

pttools.omgw0.const.PC_TO_M: float = 3.0857e+16

Parsec to meters

pttools.omgw0.const.H0_KM_S_MPC: float = 67.4

Hubble constant, Planck value

pttools.omgw0.const.H0_HZ: float = 2.1842693716174612e-18

Hubble constant, Planck value in Hz (about 2.27e-18 Hz)

pttools.omgw0.const.LISA_ARM_LENGTH: float = 2500000000.0

LISA arm length (m)

pttools.omgw0.const.LISA_OBS_TIME: float = 126227808.0

LISA observation time (s)

pttools.omgw0.const.OMEGA_RADIATION = 0.0001099530372151244

\(\Omega_{\gamma,0}\), the radiation density parameter today. Calculated from Caprini et al., 2020 p. 11-12