Table 6.
Ranges of spectral parameters in the hardest HBLs.
| Source | TeV | a | b | Ep | Γ | Reference |
|---|---|---|---|---|---|---|
| (1) | (2) | (3) | (4) | (5) | (6) | (7) |
| 1ES 0033+595 | Y | 0.92(0.25)–2.04(0.14) | 0.23(0.10)–1.50(0.35) | 0.89(0.21)–23.19(1.98 | 1.51(0.07)–2.34(0.08) | TW |
| H 1515+660 | N | 1.27(0.10)–1.68(0.10) | 0.12(0.08)–0.89(0.22) | 1.34(0.67)–3.53(1.52) | 1.60(0.04)-2.53(0.18) | K20a |
| Mrk 421 | Y | 1.34(0.02)–3.02(0.06) | 0.06(0.02)–0.64(0.06) | 0.02(0.01)–22.39(2.02) | 1.70(0.02)–2.91(0.02) | R04, K18a, K20b |
| 1ES 2344+514 | Y | 1.36(0.08)–1.87(0.11) | 0.36(0.19)–0.83(0.33) | 1.35(0.36)–6.03(0.89) | 1.72(0.01)–2.27(0.04) | M08,K17a |
| Mrk 501 | Y | 1.39(0.06)–2.05(0.05) | 0.12(0.01)–0.56(0.11) | 0.49(0.03)–101.6(23.7) | 1.54(0.02)–2.22(0.04) | K17b,M08 |
| 1ES 0120+340 | Y | 1.39(0.20)–1.94(0.14) | 0.33(0.22)–1.28(0.38) | 1.46(0.24)–3.31(0.44) | 1.69(0.19)–1.94(0.14) | M11, K15 |
| BZB J1137−1710 | N | 1.39(0.11)–1.67(0.13) | 0.75(0.24)–1.09(0.39) | 1.42(0.58)–2.55(0.67) | 1.48(0.15)–1.84(0.12) | K15 |
| 1ES 0229+200 | Y | 1.45(0.10)–1.60(0.10) | 0.31(0.08)–0.44(0.21) | 4.22(0.47)–5.54(0.65) | 1.43(0.06)–1.45(0.06) | M08, K15 |
| 1ES 1959+650 | Y | 1.46(0.05)–2.41(0.02) | 0.12(0.04)–0.98(0.12) | 0.12(0.04)–12.80(0.75) | 1.71(0.02)–2.22(0.01) | K16a,K16b, K18b |
| BZB J0832+3300 | N | 1.47(0.13)–1.52(0.07) | 0.37(0.15)–0.87(0.31) | 2.02(0.30)–4.45(0.52) | 1.29(0.09)-1.8-1(0.09) | K15 |
| RBS 1457 | N | 1.47(0.12)-1.73(0.11) | 0.74(0.28)–1.19(0.27) | 1.52(0.46)–1.67(0.48) | 1.75(0.17)–2.19(0.16) | K15 |
| RBS 1004 | N | 1.47(0.07)–1.74(0.07) | 0.38(0.19)-0-.96(0.23) | 1.54(0.16)–4.26(1.57) | – | M11, K15 |
| PKS 0548−322 | Y | 1.53(0.07)–1.87(0.05) | 0.14(0.03)–0.52(011) | 1.77(0.21)–4.13(0.47) | 1.49(0.03)–2.40(0.14) | M08, K15 |
| BZB J1341+3959 | N | 1.55(0.09)–1.64(0.07) | 0.66(0.21)–0.70(0.14) | 1.82(019)–2.20(0.38) | – | M11 |
| Mrk 180 | Y | 1.60(0.06)-2.71(0.08) | 0.17(012)-0.66(0.30) | 0.29(0.07)–8.11(0.85) | 1.96(0.05)–2.59(0.07) | M08, K15 |
| RGB J0710+591 | Y | 1.60(0.04)–1.85(0.02) | 0.17(0.11)–0.23(0.13) | 6.22(0.85)–6.70(0.93) | 1.62(0.06)-1.73(0.06) | K15 |
| 1ES 0502+675 | Y | 1.63(0.11)–1.91(0.06) | 0.28(0.13)–0.70(0.20) | 1.28(0.18)–2.17(0.26) | – | K15 |
| 1ES 1101−232 | Y | 1.95(0.09)–1.99(0.10) | 0.17(0.03)–0.40(0.05) | 0.76(0.06)–3.50(0.33) | 1.64(0.08)–2.04(0.02) | M08, K15 |
| H 1426+428 | Y | 1.68(0.02)-1.97(0.02) | 0.12(0.02)–0.49(0.10) | 1.11(0.06)–21.95(0.60) | 1.86(0.03)–2.22(0.11) | M08 |
| 1ES 1011+496 | Y | 1.94(0.05)–2.50(0.07) | 0.10(0.04)–0.67(0.20) | 0.13(0.04)–5.01(0.68) | 1.72(0.04)–2.48(0.06) | M08, K15 |
| RBS 1366 | N | 1.72(0.15)–2.03(0.11) | 0.39(0.34)-0.88(0.59) | 0.94(0.21)–2.08(1.24) | 1.90(0.09) | M11 |
| 1ES 1727+502 | Y | 1.90(0.05)–2.39(0.08) | 0.28(0.14)–0.65(0.18) | 0.81(0.14)–1.37(0.19) | 1.76(0.06)–2.12(0.08) | M11, K15 |
| 1ES 1440+122 | Y | 1.80(0.20)–1.83(0.11) | 0.32(0.16)–1.36(0.57) | 1.18(0.15)–1.93(0.52) | 2.15(0.18) | M11 |
| B3 2247+381 | Y | 1.80(0.09)–2.43(0.06) | 1.22(0.13)–0.29(0.18) | 0.19(0.02)–1.33(0.12) | 2.38(0.07) | M11 |
| RBS 30 | N | 1.83(0.06)–1.89(0.05) | 0.36(0.19)–0.68(0.15) | 1.24(0.11)–1.44(0.29) | – | M11 |
| 1ES 1218+304 | Y | 1.89(0.05)–2.25(0.06) | 0.39(0.11)–0.46(0.06) | 0.63(0.08)–1.32(0.16) | 1.97(0.06)–2.25(0.06) | M08 |
Notes. The sources are arranged in order of increasing value of amin. References: TW, this work; R04, Ravasio et al. (2004); K18a, Kapanadze et al. (2018a); K17a, Kapanadze et al. (2017a); K17b, Kapanadze et al. (2017b); K20a, Kapanadze et al. (2020a); K20a, Kapanadze et al. (2020b); K15, Kapanadze et al. (2015); K16a, Kapanadze et al. (2016b); K16b, Kapanadze et al. (2016c); K18b, Kapanadze et al. (2018b); M11, Massaro et al. (2011a).
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