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Adds info in error message for LSF interpolations #437

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Dec 11, 2017
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Adds info in error message for LSF interpolations #437

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2 changes: 1 addition & 1 deletion linetools/spectra/lsf.py
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Original file line number Diff line number Diff line change
Expand Up @@ -469,7 +469,7 @@ def interpolate_to_wv0(self, wv0):
warnings.warn(
"LSF may result from extrapolation outside wavelength range characterized for current grating.")
else:
raise ValueError("wv0 too far outside range of defined LSFs. Perhaps you've chosen the wrong grating?")
raise ValueError("wv0={:.2f}A too far outside range of defined LSFs. Perhaps you've chosen the wrong grating?".format(wv0))
lsf_vals = np.array(lsf_vals)

# normalize
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