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Table 2.
Summary of our new Chandra and archival X-ray observations of z > 6 QSOs.
| ID | OBSID | Date | Texp [ks] |
|---|---|---|---|
| New observations | |||
| CFHQS J0050+3445C | 20393 | 2017-09-25 | 33.5 |
| VIK J0109−3047C | 20398 | 2019-05-07 | 37.0 |
| "C | 22214 | 2019-05-10 | 29.5 |
| PSO J036+03C | 20390 | 2018-10-09 | 25.9 |
| VIK J0305−3150C | 20394 | 2018-05-11 | 49.9 |
| SDSS J0842+1218C | 20392 | 2018-01-01 | 28.7 |
| PSO J167−13C | 20397 | 2018-02-20 | 59.3 |
| CFHQS J1509−1749C | 20391 | 2018-06-06 | 26.8 |
| CFHQS J1641+3755C | 20396 | 2018-11-15 | 20.8 |
| "C | 21961 | 2018-11-17 | 33.5 |
| PSO J338+29C | 20395 | 2018-01-30 | 54.2 |
| SDSS J2310+1855C | 20398 | 2017-09-30 | 17.9 |
| Archival observations | |||
| SDSS J0100+2802C | 17087 | 2015-10-16 | 14.8 |
| " X | 0790180701 | 2016-06-29 | 44.9/60.7/60.4 |
| ATLAS J0142−3327S | 00290624001 | 2007-09-11 | 20.9 |
| CFHQS J0210−0456X | 0677630133 | 2012-07-10 | 8.0/10.6/10.6 |
| " X | 0677640133 | 2012-01-12 | 8.4/10.6/10.5 |
| CFHQS J0216−0455X | 0112370601 | 2002-08-12 | 29.4/37.9/37.9 |
| SDSS J0303−0019C | 13349 | 2011-11-27 | 1.5 |
| SDSS J1030+0524C | 18185 | 2017-01-17 | 46.3 |
| "C | 18186 | 2017-01-25 | 34.6 |
| "C | 18187 | 2017-03-22 | 40.4 |
| "C | 19926 | 2017-05-25 | 49.4 |
| "C | 19987 | 2017-01-18 | 126.4 |
| "C | 19994 | 2017-01-27 | 32.7 |
| "C | 19995 | 2017-01-27 | 26.7 |
| "C | 20045 | 2017-03-24 | 61.3 |
| "C | 20046 | 2017-03-26 | 36.6 |
| "C | 20081 | 2017-05-27 | 24.9 |
| SDSS J1048+4637C | 5608 | 2005-01-10 | 15.0 |
| ULAS J1120+0641C | 13203 | 2011-02-04 | 15.8 |
| "X | 0693990101 | 2012-05-23 | 24.1/46.5/45.8 |
| "X | 0693990201 | 2012-06-18 | 71.9/108.0/108.1 |
| "X | 0693990301 | 2012-06-20 | 56.4/83.6/84.1 |
| SDSS J1148+5251C | 17127 | 2015-09-02 | 77.8 |
| SDSS J1306+0356C | 3358 | 2002-01-29 | 8.2 |
| "C | 3966 | 2003-11-29 | 118.2 |
| ULAS J1342+0928C | 20124 | 2017-12-15 | 24.7 |
| "C | 20887 | 2017-12-17 | 20.4 |
| SDSS J1602+4228C | 5609 | 2005-10-29 | 13.2 |
| SDSS J1623+3112C | 5607 | 2004-12-29 | 17.2 |
| SDSS J1630+4012C | 5618 | 2005-11-04 | 27.4 |
| HSC J2216−0016X | 0673000145 | 2011-12-08 | 3.7/4.2/4.2 |
Notes. C – source observed with Chandra. X – source observed with XMM-Newton. Exposure times are filtered for background flaring and correspond to the PN, MOS1, and MOS2 cameras, respectively. S – source observed with Swift.
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