Supergalactic¶
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class
astropy.coordinates.
Supergalactic
(*args, **kwargs)[source] [edit on github]¶ Bases:
astropy.coordinates.BaseCoordinateFrame
Supergalactic Coordinates (see Lahav et al. 2000, <http://adsabs.harvard.edu/abs/2000MNRAS.312..166L>, and references therein).
Parameters: representation :
BaseRepresentation
or NoneA representation object or None to have no data (or use the other keywords)
sgl :
Angle
, optional, must be keywordThe supergalactic longitude for this object (
sgb
must also be given andrepresentation
must be None).sgb :
Angle
, optional, must be keywordThe supergalactic latitude for this object (
sgl
must also be given andrepresentation
must be None).distance :
Quantity
, optional, must be keywordThe Distance for this object along the line-of-sight.
pm_sgl_cossgb :
Quantity
, optional, must be keywordThe proper motion in Right Ascension for this object (
pm_sgb
must also be given).pm_sgb :
Quantity
, optional, must be keywordThe proper motion in Declination for this object (
pm_sgl_cossgb
must also be given).radial_velocity :
Quantity
, optional, must be keywordThe radial velocity of this object.
copy : bool, optional
If
True
(default), make copies of the input coordinate arrays. Can only be passed in as a keyword argument.Attributes Summary
default_differential
default_representation
frame_specific_representation_info
name
Attributes Documentation
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default_differential
¶
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default_representation
¶
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frame_specific_representation_info
¶
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name
= 'supergalactic'¶
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