The cosmic far-infrared background buildup since redshift 2 at 70 and 160 microns in the COSMOS and GOODS fields

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Volume 525 (January 2011)

A&A, 525 (2011) A52

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Table 4

The CIB brightness by redshift range at 160 μm, in units of nW m^-2 sr^-1, in the case of the COSMOS field.


	0 < z < 0.15	0.15 < z < 0.3	0.3 < z < 0.45	0.45 < z < 0.6	0.6 < z < 0.75	0.75 < z < 0.9	0.9 < z < 1.05


N _stack	2083	1559	2853	2201	3225	3590	3478
N _sources	56	40	18	9	11	12	6
N _AGNs	34	32	74	48	88	109	123


B _{160_stack}	0.43 ± 0.04	0.56 ± 0.04	0.87 ± 0.05	0.63 ± 0.04	0.76 ± 0.07	0.75 ± 0.06	0.71 ± 0.06
B _{160_sources}	0.3 ± 0.001	0.21 ± 0.002	0.07 ± 0.001	0.03 ± 0.001	0.034 ± 0.001	0.043 ± 0.001	0.021 ± 0.001
B _{160_AGNs}	0.02 ± 0.006	0.01 ± 0.005	0.03 ± 0.01	0.02 ± 0.01	0.02 ± 0.01	0.01 ± 0.01	0.02 ± 0.01
B _{160_tot}	0.72 ± 0.04	0.77 ± 0.04	0.93 ± 0.05	0.66 ± 0.04	0.8 ± 0.07	0.8 ± 0.06	0.73 ± 0.06


	1.05 < z < 1.2	1.2 < z < 1.35	1.35 < z < 1.5	1.5 < z < 1.65	1.65 < z < 1.85	1.85 < z < 2.05	z > 2.05


N _stack	2670	1401	2044	1311	1519	2073	2833
N _sources	2	0	2	2	0	1	2
N _AGNs	83	76	55	225	230	198	288


B _{160_stack}	0.52 ± 0.05	0.33 ± 0.09	0.36 ± 0.04	0.26 ± 0.03	0.22 ± 0.02	0.27 ± 0.04	0.47 ± 0.04
B _{160_sources}	0.005 ± 0.0003	–	0.006 ± 0.0003	0.006 ± 0.0003	–	0.003 ± 0.0001	0.007 ± 0.0003
B _{160_AGNs}	0.02 ± 0.01	0.02 ± 0.01	0.01 ± 0.008	0.04 ± 0.03	0.04 ± 0.03	0.05 ± 0.03	0.04 ± 0.03
B _{160_tot}	0.53 ± 0.05	0.33 ± 0.09	0.37 ± 0.04	0.27 ± 0.03	0.22 ± 0.02	0.28 ± 0.04	0.47 ± 0.04

Notes. The subscript “stack” refers to the measurement of the signal on the cleaned and stacked image; “sources” to the individually detected sources; “AGN” to the sources identified as AGN by Salvato et al. (2009). The total number of sources used in this analysis is thus N_stack + N_sources.

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