Constants Attributes: Name Type Description C_SI Speed of light, m/s MRSUN Geometrised Nominal solar mass, m MSUN Nominal solar mass, kg MTSUN Geometrised Nominal solar mass, s C_SI = 299792458.0 module-attribute ¤ Speed of light, m/s MRSUN = 1476.6250614046494 module-attribute ¤ Geometrised Nominal solar mass, m MSUN = 1.9884098706980507e+30 module-attribute ¤ Nominal solar mass, kg MTSUN = 4.925490947641267e-06 module-attribute ¤ Geometrised Nominal solar mass, s