Module units

source code

Classes

[hide private]

BaseUnit
Base class for all units; defines UI

WaveUnits
All WaveUnits know how to convert themselves to Angstroms

FluxUnits
All FluxUnits know how to convert themselves to Photlam

LogFluxUnits
Base class for magnitudes, which often require special handling

Angstrom

Photlam
photlam = photons cm^-2 s^-1 Ang^-1)

InverseMicron

_MetricWavelength
Encapsulates some easy unit-conversion machinery.

Micron

Meter

Flam
flam = erg cm^-2 s^-1 Ang^-1

Photnu
photnu = photon cm^-2 s^-1 Hz^-1

Fnu
fnu = erg cm^-2 s^-1 Hz^-1

Jy
jy = 10^-23 erg cm^-2 s^-1 Hz^-1

mJy
mjy = 10^-26 erg cm^-2 s^-1 Hz^-1

muJy
mujy = 10^-29 erg cm^-2 s^-1 Hz^-1

nJy
njy = 10^-32 erg cm^-2 s^-1 Hz^-1

ABMag

STMag

OBMag

VegaMag

Counts

Functions

[hide private]

Units(uname)
This needs to be a factory function in order to return an object of the correct subclass.

source code

ismatch(a, b)
Method to allow smart comparisons between classes, instances, and string representations of units and give the right answer.

source code

factory(uname, *args, **kwargs)

source code

_getDeltaWave(wave)
Compute delta wavelngth for an array of wavelengths.

source code

Variables

[hide private]

C = 2.99792458e+18

H = 6.6262e-27

HC = 1.9864847852e-08

ABZERO = -48.6

STZERO = -21.1

__package__ = 'pysynphot'

Imports: math, N, locations, spectrum, observationmode

Function Details

[hide private]

_getDeltaWave(wave)

source code

Compute delta wavelngth for an array of wavelengths. If we had a WaveTable class, this function would be a method on that class: possible refactoring candidate.