Spontaneously quenched γ-ray spectra from compact sources

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Table 1

Photon indices of the GeV- and TeV-γ-ray spectrum for the sources used in Fig. 6.

	Source	Γ_TeV	Γ_GeV¹	z	Reference

MAGIC	1ES 1215+303	2.96 ± 0.14	2.0 ± 0.2	0.130	Aleksić et al. (2012a)
	NGC 1275	4.1 ± 0.7	2.17 ± 0.05	0.018	Aleksić et al. (2012b)
	Mrk 421	2.48 ± 0.03	1.75 ± 0.03	0.031	Abdo et al. (2011b)
	PKS 1222+21	3.75 ± 0.27	1.95 ± 0.21	0.43	Aleksić et al. (2011a)
	3C 279	3.1 ± 1.1	2.3 ± 0.1	0.536	Abdo et al. (2009b); Aleksić et al. (2011b)
	IC 310	2.00 ± 0.14	1.58 ± 0.25	0.019	Aleksić et al. (2010)
	Mrk 501	2.51 ± 0.05	1.78 ± 0.03²	0.034	Abdo et al. (2011a)

H.E.S.S.	1ES 0414+009	3.45 ± 0.25	1.85 ± 0.18	0.287	Abramowski et al. (2012)
	PKS 2005-489	3.20 ± 0.16	1.79 ± 0.07	0.071	Abramowski et al. (2011)
	PKS 0447-439	3.89 ± 0.37	1.85 ± 0.035	0.2³	Abramowski et al. (2013)


VERITAS	RGB J0710+591	2.69 ± 0.26	1.46 ± 0.17	0.125	Acciari et al. (2010b)
	PKS 1424+240	3.8 ± 0.5	1.8 ± 0.07	unknown	Acciari et al. (2010a)
	RJX 0648.7+516	4.4 ± 0.8	1.89 ± 0.1	0.179	Aliu et al. (2011)
	RBS 0413	3.18 ± 0.68	1.57 ± 0.12	0.19	Aliu et al. (2012)

Notes.Their redshifts and the reference papers are also listed.

⁽¹⁾

All observations in the GeV energy band are made with the Fermi satellite. For the specific energy range where the photon index is calculated, see corresponding reference.

⁽²⁾

Photon index of the average GeV spectrum.

⁽³⁾

Although the redshift of this source is still disputed, we use the value 0.2 that is in agreement with most of the present estimates in the literature.

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