Table 7
Relative errors for the 2 observations of MACSJ1621.3 described in the text.
| Relative error | ||
| Parameter | 50 ks | 500 ks |
|
|
||
| σ T / T | 16 (21)% | 4.8 (7.6)% |
| σ ρ / ρ | 2.6 (3.3)% | 0.7 (0.9)% |
| σ Z / Z | 40 (53)% | 12 (16)% |
| σ n O / n O | 24 (28)% | |
| σ n Ne / n Ne | 55 (55)% | |
| σ n Si / n Si | 75 (–)% | 24 (25)% |
| σ n S / n S | 35 (90)% | |
| σ n Ar / n Ar | 76 (–)% | |
| σ n Ca / n Ca | 81 (82) | |
| σ n Fe / n Fe | 35 (46)% | 11 (12)% |
|
1.01 | 0.97 |
| d.o.f. | 629 | 3503 |
Notes. Values in parenthesis refer to the errors obtained with the nominal background, while error values >100% are left blank. The last two lines report the reduced χ2 and the degrees if freedom of the apec fit.
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