Table 4
Comparison of Ancora SNR to fluxes and photon spectral indices of other known high-latitude SNRs detected at high energies, sorted by their total energy flux.
| Source name | Extension (deg) | Energy flux (MeV cm−2 s−1) 1 GeV–1 TeV | Photon spectral index | Reference |
|---|---|---|---|---|
| Ancora SNR/G288.8–6.3 | 0.92 | (3.29 ± 0.78) × 10−6(⊥) | 2.31 ± 0.11(⊥) | This work |
| G150+4.5 | 1.5 | 5.20 × 10−5(*) | 1.62 ± 0.04stat ± 0.22sys(†) | Devin et al. (2020) |
| G17.8+16.7/ FHES J1723.5–0501 | 0.73 | 1.83 ± 0.02stat ± 0.05sys | Araya et al. (2022) | |
| (1.38 ± 0.26) × 10−5(∇) | 1.97 ± 0.08stat ± 0.06sys | Ackermann et al. (2018) | ||
| G296.5+10.0/FHES J1208.7–5229 | 0.7 | 8.17 × 10−6(**) | 1.85 ± 0.13 | Araya (2013) |
| (1.13 ± 0.24) × 10−5(∇) | 1.81 ± 0.09stat ± 0.05sys | Ackermann et al. (2018) | ||
| SN 1006/G327.6+14.6 | 0.1 | (3.63 ± 1.62) × 10−6(††) | 1.57 ± 0.11 | Condon et al. (2017) |
| Calvera SNR/G118.4+37.0 | 0.53 | 3.06 × 10−6(∇∇) | 1.66 ± 0.10stat ± 0.03sys | Araya (2023) |
| G166+4.3 | ~0.3 | 2.87 × 10−6(**) | 2.7 ± 0.1 | |
Notes. The list includes data from the SNR catalogue provided by Ferrand & Safi-Harb (2012). (◊)snrcat.physics.umanitoba.ca;(⊥) values taken from model 3, energy range 1 GeV–316 GeV; (*)calculated using data from Table 2 in Devin et al. (2020), and using results for the radial Gaussian model and log-parabola spectral model; (†)log-parabola model, α given in Table, β = 0.07 ± 0.02stat ± 0.02sys;(∇) from FITS data provided with Ackermann et al. (2018); calculated using data from Table 2 in Araya (2013);(††)range is 1 GeV–2 TeV;(∇∇)calculated using data from Araya (2023).
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