true_obliquity_of_ecliptic¶
-
sunpy.coordinates.sun.
true_obliquity_of_ecliptic
(t='now')[source] [edit on github]¶ Returns the true obliquity of the ecliptic, using the IAU 2006 definition. Correction for nutation is included.
- Parameters
t (
tuple
,str
,pandas.Timestamp
,pandas.Series
,pandas.DatetimeIndex
,datetime.datetime
,datetime.date
,numpy.datetime64
,numpy.ndarray
,astropy.time.Time
) – Time to use in a parse-time-compatible format
Notes
The nutation model is IAU 2000A nutation with adjustments to match IAU 2006 precession.