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Support `to` in uncertainty

See original GitHub issue

Prompted by a question from @parejkoj, I noticed the current behavior

>>> from astropy import uncertainty as unc
>>> from astropy import units as u
>>> flux = unc.normal(100*u.AB, std=1*u.AB, n_samples=10000)
>>> flux.to(u.MagUnit(u.AB))
ValueError: Value not scalar compatible or convertible to an int, float, or complex array

It really would be better if that worked as expected, because that’s basically all that’s needed for magnitude/flux error propagation using the canonical machinery in astropy for this.

The broader problem seems to be that any to method-call yields this same error though, so I think this may be a bug…?

Issue Analytics

State:
Created 4 years ago
Reactions:1
Comments:5 (4 by maintainers)

Top GitHub Comments

1reaction

astrofrogcommented, Jun 17, 2019

Also we should make sure to_value works

0reactions

mhvkcommented, Oct 28, 2019

fixed by #9429 and #9442

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