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Table 2
X-ray counts and hardness ratio.
Object | X-ray counts Chandra/XMMa | HR b | ||
0.5−7.0 keV | 0.5−2.0 keV | 2.0−7.0 keV | ||
|
||||
NDWFS J1427+3522 | <6.4 | <5.0 | <1.4 | − |
RD J1148+5253 | 3.3![]() |
0.9![]() |
2.4![]() |
−0.45![]() |
′′ c | <71.3 | <57.9 | <13.4 | − |
SDSS J0129−0035 c | <1.3 | <1.1 | <0.2 | − |
SDSS J1044−0125 c | 22.9![]() |
19.2![]() |
3.1![]() |
−0.72![]() |
SDSS J0836+0054 | 21.9![]() |
17.8![]() |
3.0![]() |
−0.71![]() |
SDSS J0002+2550 | 5.8![]() |
5.8![]() |
<3.0 | <−0.32 |
SDSS J0840+5624 | 4.8![]() |
3.8![]() |
1.0![]() |
−0.58![]() |
SDSS J0005−0006 | 18.4![]() |
16.6![]() |
1.6![]() |
−0.82![]() |
NDWFS J1425+3254 | <6.7 | <5.3 | <1.4 | − |
SDSS J1335+3533 | 4.6![]() |
3.8![]() |
0.8![]() |
−0.56![]() |
SDSS J1411+1217 | 11.9![]() |
9.9![]() |
2.0![]() |
−0.66![]() |
PSO J328.7339−09.5076 c | <28.2 | <22.9 | <5.3 | − |
SDSS J2053+0047 | <6.6 | <4.7 | <1.9 | − |
ULAS J0148+0600 c | <10.1 | <8.2 | <1.9 | − |
PSO J007.0273+04.9571 | <33.2 | <28.2 | <5.0 | − |
CFHQS J0216−0455 c | <65.2 | <53.0 | <12.2 | − |
SDSS J1306+0356 | 125.4![]() |
87.3![]() |
38.1![]() |
−0.39![]() |
SDSS J1630+4012 | 15.3![]() |
10.8![]() |
4.5![]() |
−0.41![]() |
SDSS J0303−0019 | <3.8 | <3.0 | <0.8 | − |
SDSS J1602+4228 | 25.7![]() |
21.8![]() |
3.8![]() |
−0.70![]() |
HSC J2216−0016 c | <3.0 | <2.4 | <0.6 | − |
SDSS J1048+4637 | 2.9![]() |
2.9![]() |
<3.0 | <0.02 |
SDSS J1623+3112 | 6.0![]() |
4.0![]() |
2.0![]() |
−0.33![]() |
SDSS J0100+2802 | 12.0![]() |
10.7![]() |
0.7![]() |
−0.88![]() |
′′ c | 154.5![]() |
127.9![]() |
25.8![]() |
−0.66![]() |
ATLAS J025.6821−33.4627 d | 13.0![]() |
10.4![]() |
1.6![]() |
−0.73![]() |
SDSS J1030+0524 | 6.0![]() |
6.0![]() |
<3.0 | <−0.33 |
′′ c | 148.0![]() |
128.8![]() |
19.0![]() |
−0.74![]() |
SDSS J1148+5251 | 36.8![]() |
25.9![]() |
10.9![]() |
−0.41![]() |
′′ c | 4.3![]() |
3.1![]() |
1.2![]() |
−0.44![]() |
CFHQS J0210−0456 c | <32.8 | <26.7 | <6.1 | − |
ULAS J1120+0641 | 5.7![]() |
4.0![]() |
1.7![]() |
−0.40![]() |
′′ c | 34.0![]() |
30.7![]() |
3.1![]() |
−0.82![]() |
Notes.
(a)
Errors on the X-ray counts were computed according to Tables 1 and 2 of Gehrels (1986) and correspond to the 1σ level in Gaussian statistics. The upper limits are at the 3σ confidence level.
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