PointSpatialModel

class gammapy.modeling.models.PointSpatialModel(lon_0, lat_0, frame='icrs')[source]

Bases: gammapy.modeling.models.SpatialModel

Point Source.

\[\phi(lon, lat) = \delta{(lon - lon_0, lat - lat_0)}\]
Parameters:
lon_0, lat_0 : Angle

Center position

frame : {“icrs”, “galactic”}

Center position coordinate frame

Attributes Summary

evaluation_radius Evaluation radius (Angle).
frame
lat_0
lon_0
parameters Parameters (Parameters)
position Spatial model center position
tag

Methods Summary

__call__(self, lon, lat) Call evaluate method
copy(self) A deep copy.
create(tag, \*args, \*\*kwargs) Create a model instance.
evaluate_geom(self, geom) Evaluate model on Geom.
from_dict(data)
to_dict(self)

Attributes Documentation

evaluation_radius

Evaluation radius (Angle).

Set as zero degrees.

frame
lat_0
lon_0
parameters

Parameters (Parameters)

position

Spatial model center position

tag = 'PointSpatialModel'

Methods Documentation

__call__(self, lon, lat)

Call evaluate method

copy(self)

A deep copy.

static create(tag, *args, **kwargs)

Create a model instance.

Examples

>>> from gammapy.modeling import Model
>>> spectral_model = Model.create("PowerLaw2SpectralModel", amplitude="1e-10 cm-2 s-1", index=3)
>>> type(spectral_model)
gammapy.modeling.models.spectral.PowerLaw2SpectralModel
evaluate_geom(self, geom)[source]

Evaluate model on Geom.

classmethod from_dict(data)
to_dict(self)