Table 1.
Best-fit results for the P2 mean position and width (FWHM) for the symmetric Gaussian and Lorentzian profiles.
| Instrument | Gaussian | Lorentzian | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Energy (GeV) | μ | FWHM | p-value | AIC | x0 | FWHM | p-value | AIC | |
| CTAO LST-1 | [15, 31] | 0.595 ± 0.002 | 0.051 ± 0.004 | 0.91 | 51.3 | 0.597 ± 0.002 | 0.043 ± 0.005 | 0.62 | 60.9 |
| [31, 65] | 0.597 ± 0.004 | 0.05 ± 0.01 | 0.74 | 57.0 | 0.597 ± 0.004 | 0.04 ± 0.01 | 0.66 | 59.1 | |
| Full band | 0.596 ± 0.002 | 0.050 ± 0.005 | 0.60 | 61.3 | 0.597 ± 0.002 | 0.041 ± 0.006 | 0.28 | 70.5 | |
| Fermi-LAT | [15, 31] | 0.594 ± 0.001 | 0.053 ± 0.003 | 0.74 | 197.9 | 0.594 ± 0.001 | 0.050 ± 0.004 | 0.36 | 201.7 |
| > 15 | 0.595 ± 0.001 | 0.047 ± 0.003 | 0.67 | 224.5 | 0.595 ± 0.001 | 0.045 ± 0.008 | 0.69 | 222.7 | |
| MAGIC (Ceribella 2021) | [25, 100] | 0.597 ± 0.005 | 0.061 ± 0.012 | – | – | – | – | – | – |
Notes. We show the results for both LST-1 and Fermi-LAT, in the two energy bins and the full band, with the associated statistical uncertainties and the correspondent AIC and p-value. As a comparison, the MAGIC results from Ceribella (2021) are also included in the table. The results for the [31, 65] GeV fit of the Fermi-LAT sample are not reported since the fit did not converge well.
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