X-ray stacking of Lyman break galaxies in the 4 Ms CDF-S - X-ray luminosities and star formation rates across cosmic time

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Volume 547 (November 2012)

A&A, 547 (2012) A50

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Table 3

LBG stacking results.

ID	Median z	Soft	Conf^a	Hard	Conf^a	HR	Soft flux	Soft flux err^b	Hard flux	Hard flux err^b
		counts		counts			10^-18 mW m^-2	10^-18 mW m^-2	10^-18 mW m^-2	10^-18 mW m^-2

ref-lowZ	0.68	153.83	0.999	60.01	0.907	<− 0.44	2.98	0.51	7.82	u.l.
BZ-UV	1.33	36.36	0.993	25.12	0.850	<− 0.18	2.84	0.33	7.44	u.l.
Spec-U1	2.67	112.26	0.999	100.74	0.971	−0.06	1.52	0.32	9.21	3.34
Spec-U2	3.33	39.91	0.958	14.54	0.645	<− 0.47	1.18	0.26	1.64	u.l.
Spec-B1	3.70	21.52	0.974	16.83	0.722	<− 0.12	3.09	0.96	4.19	u.l.
Spec-B2	4.16	24.14	0.660	7.09	0.626	...	1.40	u.l.	2.16	u.l.

Notes. For the convenience of the reader, we note that 1 mW m^-2 = 1 erg s^-1 cm^-2. All counts are given as measured in the pre-defined 2.5 pixel radius aperture, the correction factor α (see Sect. 3.1) was applied subsequently.

^(a)

Probability that this detection is real, assuming a Poissonian noise distribution. See text for further explanation.

^(b)

u.l. indicates upper limit since no actual detection could be made (confidence <0.95).

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