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Table 4.
X-ray fluxes, luminosities, and derived properties for our Chandra and archival sample of z > 6 QSOs.
| ID | F | L2 − 10 keV | αox | Δαox | ||
|---|---|---|---|---|---|---|
| [10−15 erg cm−2s−1] | [1044 erg s−1] | |||||
| SB | HB | FB | ||||
| New observations | ||||||
| CFHQS J0050+3445 |  |
 |
 |
 |
 |
 |
| VIK J0109−3047 | < 0.47 | < 0.63 | < 0.56 | < 3.29 | < − 1.67 | < − 0.04 |
| PSO J036+03 |  |
< 3.53 |  |
 |
 |
 |
| VIK J0305−3150 | < 0.59 | < 1.73 | < 1.31 | < 3.79 | < − 1.72 | < − 0.06 |
| SDSS J0842+1218 |  |
< 2.26 |  |
 |
 |
 |
| PSO J167−13 | < 0.32 | < 2.44 | < 1.39 | < 2.21 | < − 1.72 | < − 0.09 |
| CFHQS J1509−1749 |  |
 |
 |
 |
 |
 |
| CFHQS J1641+3755 |  |
 |
 |
 |
 |
 |
| PSO J338+29 |  |
< 1.61 |  |
 |
 |
 |
| SDSS J2310+1855 |  |
< 3.85 |  |
 |
 |
 |
| Archival observations | ||||||
| SDSS J0100+2802 |  |
 |
 |
 |
 |
 |
| ATLAS J0142−3327 |  |
< 2.92 |  |
 |
 |
 |
| CFHQS J0210−0456 | < 4.83 | < 5.162 | < 6.62 | < 29.31 | < − 1.13 | < 0.44 |
| CFHQS J0216−0455 | < 0.52 | < 0.92 | < 0.70 | < 2.70 | < − 1.21 | < 0.24 |
| SDSS J0303−0019 | < 15.9 | < 108.5 | < 46.00 | < 97.70 | < − 1.09 | < 0.54 |
| SDSS J1030+0524 |  |
 |
 |
 |
 |
 |
| SDSS J1048+4637 |  |
< 2.66 |  |
 |
 |
 |
| ULAS J1120+0641 |  |
 |
 |
 |
 |
 |
| SDSS J1148+5251 |  |
 |
 |
 |
 |
 |
| SDSS J1306+0356 |  |
 |
 |
 |
 |
 |
| ULAS J1342+0928 |  |
 |
 |
 |
 |
 |
| SDSS J1602+4228 |  |
 |
 |
 |
 |
 |
| SDSS J1623+3112 |  |
 |
 |
 |
 |
 |
| SDSS J1630+4012 |  |
 |
 |
 |
 |
 |
| HSC J2216−0016 | < 1.01 | < 4.04 | < 2.43 | < 5.92 | < − 1.25 | < 0.27 |
Notes. Errors account for the uncertainties on the net counts only.
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