The SRG/eROSITA All-Sky Survey: X-ray beacons at late cosmic dawn

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Table 4.

Chandra ACIS-S photometry for three sources detected within 30″ of the quasar.

ID	Sep.	Net counts	Significance	F_{0.5 − 7.0 keV}
	[arcsec]	0.5–7.0 keV	[σ]	[erg s⁻¹ cm⁻²]
ch1	0.30	9.9 ± 3.2	3.06	$5 . 83_{- 2.63}^{+ 3.70}$ $5.83^{+3.70}_{-2.63}$
ch2	21.57	4.7 ± 2.2	2.00	$2 . 86_{- 1.82}^{+ 2.98}$ $2.86^{+2.98}_{-1.82}$
ch3	29.96	6.6 ± 2.7	2.40	$3 . 80_{- 2.09}^{+ 3.20}$ $3.80^{+3.20}_{-2.09}$

Notes. [1] Chandra source. [2] The separation in arcsec between the optical position and the Chandra source. [3] The net counts in the band 0.5−7 keV. [4] The srcflux-based significance of the detection based on source and background counts. [5] The flux in observed 0.5−7 keV.

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