X-ray absorption towards high-redshift sources: probing the intergalactic medium with blazars

R. Arcodia; S. Campana; R. Salvaterra; G. Ghisellini

doi:10.1051/0004-6361/201732322

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Volume 616 (August 2018)

A&A, 616 (2018) A170

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Table 4

AIC values for each blazar of the Silver sample, computed with XMM-Newton spectral fits from Eq. (5).


Source	AIC
	BKN	LGP	PL+EX	LGP+EX
7C 1428+4218	491	545	489	489
QSO J0525–3343	704	713	704	708
QSO B1026–084	288	295	296	296
QSO B0014+810	393	398	398	400
PKS 2126–158	413	446	399	400
QSO B0537–286	803	829	874	810
QSO B0438–43	314	422	288	287
RBS 315	1538	1690	1555	1405
QSO J2354–1513	348	370	344	346
PBC J1656.2–3303	485	495	490	492
QSO J0555+3948	303	295	310	300
PKS 2149–306	458	460	461	459
QSO B0237–2322	299	299	302	302
4C 71.07	557	555	575	559
PKS 0528+134	646	653	636	638

Total	8040	8464	8118	7993

Notes. BKN, LGP, PL+EX, LGP+EX stand for the different models used, the reader is referred to the top of this section for a description. For each blazar, we highlighted in bold the lowest AIC and in italics any additional model within a Δ_threshold = 10.

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