Free Access

Table 3

VHE AGN spectra used in this study.

Source Redshift Experiment Energy range VHE slope Fermi slope Variability index Reference Comments
(TeV) Γ ± σstat ± σsys Γ ± σstat

Mkn 421 0.031 HESS 1.75–23.1 2.05    ±    0.22 1.77    ±    0.01 112.8 (1) hardest index
Mkn 501 0.034 MAGIC 0.17–4.43 2.79    ±    0.12 1.64    ±    0.09 72.33 (2) hardest index
Mkn 501 0.034 HEGRA 0.56–21.45 1.92    ±    0.03    ±    0.20 1.64    ±    0.09 72.33 (3) hardest index
1ES 2344+514 0.044 MAGIC 0.19–4.00 2.95    ±    0.12    ±    0.20 1.72    ±    0.08 28.13 (4) steady
Mkn 180 0.045 MAGIC 0.18–1.31 3.25    ±    0.66 1.74    ±    0.08 19.67 (5) steady
1ES 1959+650 0.048 HEGRA 1.52–10.94 2.83    ±    0.14    ±    0.08 1.94    ±    0.03 52.30 (6) hardest index
1ES 1959+650 0.048 MAGIC 0.19–2.40 2.58    ±    0.18 1.94    ±    0.03 52.30 (7) hardest index
BL Lacertae 0.069 MAGIC 0.16–0.70 3.6    ±    0.5 2.11    ±    0.04 267.0 (8) hardest index
PKS 2005-489 0.071 HESS 0.34–4.57 3.20    ±    0.16    ±    0.10 1.90    ±    0.06 68.86 (9) hardest index
RGB J0152+017 0.080 HESS 0.31–2.95 2.95    ±    0.36    ±    0.20 1.79    ±    0.14 27.73 (10) steady
PKS 2155-304 0.116 HESS 0.25–3.20 3.34    ±    0.05    ±    0.1 1.81    ±    0.11 262.9 (11) simul
RGB J0710+591 0.125 VERITAS 0.42–3.65 2.69    ±    0.26    ±    0.20 1.53    ±    0.12 29.86 (12) steady
H 1426+428 0.129 HEGRA 0.78–5.37 1.32    ±    0.12 22.16 (13) steady
1ES 0806+524 0.138 MAGIC 0.31–0.63 3.6    ±    1.0    ±    0.3 1.94    ±    0.06 37.80 (14) steady
H 2356-309 0.165 HESS 0.23–1.71 3.06    ±    0.15    ±    0.10 1.89    ±    0.17 20.19 (15) steady
1ES 1218+304 0.182 MAGIC 0.09–0.63 3.0    ±    0.4 1.71    ±    0.07 40.00 (16) steady
1ES 1218+304 0.182 VERITAS 0.19–1.48 3.08    ±    0.34    ±    0.2 1.71    ±    0.07 40.00 (17) steady
1ES 1101-232 0.186 HESS 0.18–2.92 2.88    ±    0.17 1.80    ±    0.21 25.74 (18) steady
1ES 1011+496 0.212 MAGIC 0.15–0.59 4.0    ±    0.5 1.72    ±    0.04 48.05 (19) hardest index
1ES 0414+009 0.287 HESS 0.17–1.13 3.44    ±    0.27    ±    0.2 1.98    ±    0.16 15.56 (20) steady
PKS 1222+21 a 0.432 MAGIC 0.08–0.35 3.75    ±    0.27    ±    0.2 1.95    ±    0.21 13030 (21) simul
3C 279 0.536 MAGIC 0.08–0.48 4.1    ±    0.7    ±    0.2 2.22    ±    0.02 2935 (22) hardest index

1ES 0229+200 b 0.140 HESS 0.60–11.45 2.5    ±    0.19    ±    0.10 (23)

Notes. If not stated otherwise in the text, the Fermi slope and variability index are taken from the 2FGL. See the text for details on the Comments column.

(a)

There was no simultaneous measurement during the 0.5 h in which MAGIC detected the source. However, the index used in high energies was extracted from Fermi data in the 2.5 h before and after the MAGIC observation (Aleksić et al. 2011).

(b)

The spectrum is only tested against the IntVHELumi criterion as it is not detected with the Fermi-LAT.

References. (1) Tluczykont (2011); (2) Abdo et al. (2011a); (3) Aharonian et al. (1999); (4) Albert et al. (2007a); (5) Albert et al. (2006b); (6) Aharonian et al. (2003b); (7) Tagliaferri et al. (2008); (8) Albert et al. (2007b); (9) HESS Collaboration et al. (2010b); (10) Aharonian et al. (2008a); (11) Aharonian et al. (2009); (12) Acciari et al. (2010); (13) Aharonian et al. (2003a); (14) Acciari et al. (2009a); (15) HESS Collaboration et al. (2010a); (16) Albert et al. (2006a); (17) Acciari et al. (2009b); (18) Aharonian et al. (2006); (19) Albert et al. (2007c); (20) HESS Collaboration et al. (2012); (21) Aleksić et al. (2011); (22) Albert et al. (2008); (23) Aharonian et al. (2007a).

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.