Astronomical data¶

Astronomical data.

Having imported the astro_data module, type

astro_data.<TAB>, where <TAB> stands for the tabulation key, to get the list of available data
astro_data.?? to see the sources of the numerical values

EXAMPLES:

Fundamental constants (in SI units):

sage: from kerrgeodesic_gw import astro_data
sage: astro_data.G
6.6743e-11
sage: astro_data.c
299792458.0

Solar mass in kg:

sage: astro_data.solar_mass_kg
1.98848e+30

Solar mass in meters (geometrized units):

sage: astro_data.solar_mass_m  # tol 1.0e-13
1476.6771171937082

Solar mass in seconds (geometrized units):

sage: astro_data.solar_mass_s  # tol 1.0e-13
4.925664664965348e-06

Mass of Sgr A* in solar masses:

sage: astro_data.SgrA_mass_sol
4100000.0

Mass of Sgr A* in kg:

sage: astro_data.SgrA_mass_kg  # tol 1.0e-13
8.152768e+36

Mass of Sgr A* in meters (geometrized units):

sage: astro_data.SgrA_mass_m  # tol 1.0e-13
6054376180.4942045

Mass of Sgr A* in seconds (geometrized units):

sage: astro_data.SgrA_mass_s  # tol 1.0e-13
20.19522512635793

Distance to Sgr A* in parsecs and meters, respectively:

sage: astro_data.SgrA_distance_pc
8120.0
sage: astro_data.SgrA_distance_m  # tol 1.0e-13
2.5055701961709902e+20