--------  ---------  -----------  --------------  -----------  ---  ---  -  -
spectral  norm       1                            0            nan  nan  1  1
spectral  index      1.94128                      0.0591347    nan  nan  0  0
spectral  amplitude  3.71043e-13  TeV-1 s-1 cm-2  2.42862e-14  nan  nan  0  1
spectral  reference  2.14937      TeV             0            nan  nan  1  0
--------  ---------  -----------  --------------  -----------  ---  ---  -  -
OptimizeResult

	backend    : minuit
	method     : migrad
	success    : True
	message    : Optimization terminated successfully..
	nfev       : 51
	total stat : 36.23

CovarianceResult

	backend    : minuit
	method     : hesse
	success    : True
	message    : Hesse terminated successfully.

{'name': 'yVfrvQiu'
 'counts': 766
 'excess': 390.0584411621094
 'sqrt_ts': 16.88486486596703
 'background': 375.9415588378906
 'npred': 782.2854598044297
 'npred_background': 374.7916096626649
 'npred_signal': 407.4938501417649
 'exposure_min': <Quantity 60863.69921875 m2 s>
 'exposure_max': <Quantity 2.75029955e+10 m2 s>
 'livetime': <Quantity 72771. s>
 'ontime': <Quantity 72770.99999985 s>
 'counts_rate': <Quantity 0.01052617 1 / s>
 'background_rate': <Quantity 0.00516609 1 / s>
 'excess_rate': <Quantity 0.00536008 1 / s>
 'n_bins': 21
 'n_fit_bins': 21
 'stat_type': 'wstat'
 'stat_sum': 36.22991912809075
 'counts_off': 5537
 'acceptance': 21.0
 'acceptance_off': 309.29541015625
 'alpha': 0.06789625436067581}