cartesian_helio¶
- sofia_redux.spectroscopy.earthvelocity.cartesian_helio(time, center='barycentric', location=None)[source]¶
Calculate the Cartesian velocity of the Sun.
- Parameters:
- timestr or float or astropy.time.Time
Date and time of observation. By default this is set to isot (‘2000-01-01T00:00:00.000’) in UTC.
- centerstr, optional
One of {‘heliocentric’, ‘barycentric’}. Compute the heliocentric or barycentric velocity which respectively define the Sun or the Sun’s barycenter as the center of the Solar System.
- locationEarthLocation
The location of the observation.
- Returns:
- vhelioCartesianRepresentation
Cartesian representation of the velocity of the center of the Solar System.