Evidence for protons accelerated and escaped from the Puppis A region using Fermi-LAT observations

Open Access

Table 3

Best-fit values for the spectral analysis in the 300 MeV–1 TeV energy band.

Source	Differential photon flux at $E_{0}^{(a)}$ $\[E_{0}^{(a)}\]$ (MeV cm⁻² s⁻¹)	Photon Index	alpha	beta
4FGL J0822.8-4207	(2.6 ± 0.3 ± 0.5) × 10⁻⁸	2.05 ± 0.08 ± 0.09	−	−
PS J0824.0-4329	(7 ± 6 ± 3) × 10⁻⁸	1.8 ± 0.2 ± 0.1	−	−
Puppis A	(8.2 ± 0.2 ± 0.9) × 10⁻⁶	−	1.80 ± 0.03 ± 0.08	0.10 ± 0.01 ± 0.02
Puppis A north-east	(6.1 ± 0.2 ± 0.7) × 10⁻⁶	−	1.72 ± 0.03 ± 0.07	0.12 ± 0.01 ± 0.02
Puppis A south-west	(1.6 ± 0.2 ± 0.1) × 10⁻⁶	2.14 ± 0.05 ± 0.05	−	−

Notes. For each parameter, the first and second errors correspond to the statistical and systematic errors, respectively. ^(a) Energy scale set to 1 GeV.

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.