Bandpass¶

class nyx.spectra.library.Bandpass[source]¶

Bases: object

A filter transmission curve.

Parameters:

Attributes Summary

Vega zero-point flux; downloads the Vega spectrum on first access.

Methods Summary

`__call__`(lam)	Call self as a function.
`from_SVO`(filter_id[, cache])	Fetch a filter curve from the SVO service, e.g. `"GAIA/GAIA3.G"`.
`integrate`(wvls, flx)	Photon-weighted band integral `\int lambda T(lambda) F(lambda) dlambda`.
`magnitude`(wvls, flx)	Synthetic magnitude of flx in this band, against Vega.

Attributes Documentation

vegazero¶: Vega zero-point flux; downloads the Vega spectrum on first access.

Methods Documentation

classmethod from_SVO(filter_id, cache=True)[source]¶

Fetch a filter curve from the SVO service, e.g. "GAIA/GAIA3.G".

integrate(wvls, flx)[source]¶

Photon-weighted band integral \int lambda T(lambda) F(lambda) dlambda.

Parameters:

wvls (astropy.units.Quantity) – Wavelengths of flx.
flx (astropy.units.Quantity) – Flux, broadcastable against wvls along its last axis.

Return type:

astropy.units.Quantity

magnitude(wvls, flx)[source]¶

Synthetic magnitude of flx in this band, against Vega.

Parameters:

Return type:

numpy.ndarray