TimeJD

class astropy.time.TimeJD(val1, val2, scale, precision, in_subfmt, out_subfmt, from_jd=False)[source]

Bases: astropy.time.TimeNumeric

Julian Date time format. This represents the number of days since the beginning of the Julian Period. For example, 2451544.5 in JD is midnight on January 1, 2000.

Attributes Summary

cache

Return the cache associated with this instance.

jd1

jd2

jd2_filled

mask

masked

name

scale

Time scale

subfmts

value

Return time representation from internal jd1 and jd2.

Methods Summary

mask_if_needed(self, value)

set_jds(self, val1, val2)

Set internal jd1 and jd2 from val1 and val2.

to_value(self[, jd1, jd2, parent, out_subfmt])

Return time representation from internal jd1 and jd2.

Attributes Documentation

cache

Return the cache associated with this instance.

jd1
jd2
jd2_filled
mask
masked
name = 'jd'
scale

Time scale

subfmts = (('float', <class 'numpy.float64'>, None, <ufunc 'add'>), ('long', <class 'numpy.float128'>, <function longdouble_to_twoval>, <function twoval_to_longdouble>), ('decimal', <class 'numpy.object_'>, <numpy.vectorize object>, <numpy.vectorize object>), ('str', <class 'numpy.str_'>, <numpy.vectorize object>, <numpy.vectorize object>), ('bytes', <class 'numpy.bytes_'>, <numpy.vectorize object>, <numpy.vectorize object>))
value

Return time representation from internal jd1 and jd2. Subclasses that require parent or to adjust the jds should override this method.

Methods Documentation

mask_if_needed(self, value)
set_jds(self, val1, val2)[source]

Set internal jd1 and jd2 from val1 and val2. Must be provided by derived classes.

to_value(self, jd1=None, jd2=None, parent=None, out_subfmt=None)

Return time representation from internal jd1 and jd2. Subclasses that require parent or to adjust the jds should override this method.