TimeMJD

class astropy.time.TimeMJD(val1, val2, scale, precision, in_subfmt, out_subfmt, from_jd=False)

Bases: TimeNumeric

Modified Julian Date time format. This represents the number of days since midnight on November 17, 1858. For example, 51544.0 in MJD is midnight on January 1, 2000.

Attributes Summary

cache	Return the cache associated with this instance.
in_subfmt
jd1
jd2
jd2_filled
mask
masked
name
out_subfmt
precision
scale	Time scale
subfmts
value	Return time representation from internal jd1 and jd2.

Methods Summary

mask_if_needed(value)
set_jds(val1, val2)	Set internal jd1 and jd2 from val1 and val2.
to_value(**kwargs)	Return time representation from internal jd1 and jd2.

Attributes Documentation

cache

Return the cache associated with this instance.

in_subfmt

jd1

jd2

jd2_filled

mask

masked

name = 'mjd'

out_subfmt

precision

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

Methods Documentation

mask_if_needed(value)

set_jds(val1, val2)

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

to_value(**kwargs)

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