TimeBesselianEpoch¶
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class
astropy.time.
TimeBesselianEpoch
(val1, val2, scale, precision, in_subfmt, out_subfmt, from_jd=False)[source]¶ Bases:
astropy.time.TimeEpochDate
Besselian Epoch year as floating point value(s) like 1950.0
Attributes Summary
Return the cache associated with this instance.
Time scale
Methods Summary
mask_if_needed
(self, value)set_jds
(self, val1, val2)Set internal jd1 and jd2 from val1 and val2.
to_value
(self, **kwargs)Return time representation from internal jd1 and jd2.
Attributes Documentation
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cache
¶ Return the cache associated with this instance.
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epoch_to_jd
= 'epb2jd'¶
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in_subfmt
¶
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jd1
¶
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jd2
¶
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jd2_filled
¶
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jd_to_epoch
= 'epb'¶
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mask
¶
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masked
¶
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name
= 'byear'¶
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out_subfmt
¶
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scale
¶ Time scale
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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>))¶
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value
¶
Methods Documentation
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mask_if_needed
(self, value)¶
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set_jds
(self, val1, val2)¶ Set internal jd1 and jd2 from val1 and val2. Must be provided by derived classes.
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to_value
(self, **kwargs)¶ Return time representation from internal jd1 and jd2. Subclasses that require
parent
or to adjust the jds should override this method.
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