SDSSMuNu¶
- class pydl.pydlutils.coord.SDSSMuNu(*args, copy=True, representation_type=None, differential_type=None, **kwargs)[source]¶
Bases:
BaseCoordinateFrame
SDSS Great Circle Coordinates
- Parameters:
Notes
https://www.sdss4.org/dr16/algorithms/surveycoords/
- Attributes:
- stripe
SDSS Stripe Number .
- node
Node of the great circle with respect to the celestial equator. In SDSS, this is almost always RA = 95.0 degrees.
- incl
Inclination of the great circle with respect to the celestial equator.
- phi
Counter-clockwise position angle w.r.t. north for an arc in the +nu direction.
Attributes Summary
Default representation for differential data (e.g., velocity)
Default representation for position data
Mapping for frame-specific component names
A frame attribute
A frame attribute
Attributes Documentation
- default_differential¶
Default representation for differential data (e.g., velocity)
- default_representation¶
Default representation for position data
- frame_attributes = {'node': <astropy.coordinates.attributes.QuantityAttribute object>, 'stripe': <astropy.coordinates.attributes.Attribute object>}¶
- frame_specific_representation_info¶
Mapping for frame-specific component names
- incl¶
- name = 'sdssmunu'¶
- node¶
A frame attribute
Default: 95.0 deg
- stripe¶
A frame attribute
Default: 0