spinifex.geometry

Module for getting the Earth magnetic field

Submodules

spinifex.geometry.get_ipp

Classes

IPP

Ionospheric Piercepoints

Functions

`get_ipp_from_altaz`(→ IPP)	get ionospheric piercepoints from azimuth elevations
`get_ipp_from_skycoord`(→ IPP)	Get ionospheric piercepoints

Package Contents

class spinifex.geometry.IPP[source]

Bases: NamedTuple

Ionospheric Piercepoints

airmass: numpy.typing.NDArray[numpy.float64]: airmass factor to convert to slant values

altaz: astropy.coordinates.AltAz: azimuth elevation

loc: astropy.coordinates.EarthLocation: location of the piercepoints, dimension: times x altitudes. All altitudes are assumed to be equal

los: numpy.typing.NDArray[numpy.float64]: Line of sight direction in ITRS coordinates, normalized

station_loc: astropy.coordinates.EarthLocation: Observer Location

times: astropy.time.Time: array of times

spinifex.geometry.get_ipp_from_altaz(loc: astropy.coordinates.EarthLocation, altaz: astropy.coordinates.AltAz, height_array: astropy.units.Quantity) → IPP[source]

get ionospheric piercepoints from azimuth elevations

Parameters

locEarthLocation: observer location
altazAltAz: azimuth and elevations for all times
height_arrayu.Quantity: array of altitudes

Returns

IPP: ionospheric piercepoints

spinifex.geometry.get_ipp_from_skycoord(loc: astropy.coordinates.EarthLocation, times: astropy.time.Time, source: astropy.coordinates.SkyCoord, height_array: astropy.units.Quantity) → IPP[source]

Get ionospheric piercepoints

Parameters

locEarthLocation: observer location
timesTime: observation times
sourceSkyCoord: source location
height_arrayu.Quantity: array of altitudes

Returns

IPP: Ionospheric piercepoints