Table 1
Timing accuracy of the background subtraction methods for the thirty simulated transients.
| Transient | Time (s) | Δtb | Δtc | Δtd | Δte | Δtf | Δtg | Δth |
|
|
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| I-1 | 1751.0 | −1.0 | 0.4 | 0.4 | 0.1 | 0.5 | 1.7 | 1.7 |
| I-2 | 4786.9 | 3.1 | −0.2 | −0.2 | 0.4 | 0.1 | 0.4 | 0.4 |
| I-3 | 7822.7 | −2.7 | 4.0 | 4.0 | −3.0 | 3.7 | 4.4 | 4.4 |
| I-4 | 10 858.6 | 1.4 | −0.1 | −0.1 | −2.3 | −0.1 | 0.7 | 0.7 |
| I-5 | 13 894.5 | −4.5 | 0.1 | 0.1 | −0.7 | 0.1 | 8.9 | 8.9 |
| I-6 | 16 930.3 | −0.3 | 0.1 | 0.1 | −3.2 | 0.1 | 2.4 | 2.4 |
| I-7 | 19 966.2 | 3.8 | −0.2 | −0.2 | −0.2 | 0.0 | 6.7 | 6.7 |
| I-8 | 23 002.1 | −2.1 | −8.3 | 68.3 | −3.4 | 0.5 | 68.9 | −8.2 |
| I-9 | 26 037.9 | 2.1 | −5.0 | 25.2 | 0.8 | 0.5 | 25.0 | 5.5 |
| I-10 | 29 073.8 | −3.8 | 1.1 | 1.1 | −0.6 | 1.2 | 2.1 | 2.1 |
|
|
||||||||
| E-1 | 2249.0 | 1.0 | −0.0 | −0.0 | 0.5 | 0.2 | −1.4 | −1.4 |
| E-2 | 5284.9 | −4.9 | 0.3 | 0.3 | 0.5 | −0.3 | −0.2 | −0.2 |
| E-3 | 8320.7 | −0.7 | −1.3 | −1.3 | 2.0 | 0.0 | −1.8 | −1.8 |
| E-4 | 11 356.6 | 3.4 | −0.3 | −0.3 | 0.1 | −0.0 | −3.5 | −3.5 |
| E-5 | 14 392.5 | −2.5 | −0.1 | −0.1 | 0.7 | 0.9 | −23.2 | −23.2 |
| E-6 | 17 428.3 | 1.7 | −1.4 | −1.4 | 0.4 | 0.1 | −2.5 | −0.5 |
| E-7 | 20 464.2 | −4.2 | −4.9 | −4.9 | −0.1 | −4.4 | −5.4 | −5.4 |
| E-8 | 23 500.1 | −0.1 | −16.4 | −16.4 | 40.9 | −1.1 | −16.8 | −14.1 |
| E-9 | 26 535.9 | 4.1 | 16.2 | 44.0 | 35.2 | −0.3 | 44.4 | 16.0 |
| E-10 | 29 571.8 | −1.8 | −0.3 | 10.7 | 15.5 | −0.7 | 21.5 | −0.3 |
|
|
||||||||
| B-1 | 800.0 | 0.0 | −0.0 | −0.0 | 0.0 | 0.1 | −0.3 | −0.3 |
| B-2 | 3345.6 | 4.4 | −0.0 | −0.0 | 0.1 | 0.1 | −0.2 | −0.2 |
| B-3 | 5891.2 | −1.2 | −0.0 | −0.0 | 0.1 | 0.0 | −0.3 | −0.3 |
| B-4 | 8436.8 | 3.2 | −0.1 | −0.1 | −0.6 | −0.6 | −0.2 | −0.2 |
| B-5 | 13 527.9 | 2.1 | −0.1 | −0.1 | 0.0 | 0.0 | −0.4 | −0.4 |
| B-6 | 16 073.5 | −3.5 | 0.0 | 0.0 | 0.2 | 0.2 | −0.2 | −0.2 |
| B-7 | 18 619.1 | 0.9 | −0.0 | −0.0 | 0.0 | 0.0 | −0.2 | −0.2 |
| B-8 | 21 164.7 | −4.7 | 0.0 | 0.0 | 0.1 | 0.1 | −0.0 | −0.4 |
| B-9 | 23 710.3 | −0.3 | −0.0 | −0.0 | 0.1 | 0.0 | −0.1 | −0.1 |
| B-10 | 28 801.4 | −1.4 | 0.1 | 0.1 | −0.9 | 0.1 | −0.1 | −0.1 |
Notes.The transients are grouped by type rather than chronological order, with I, E, B referring to ingresses, egresses, and bursts. The columns Δtb through Δtf correspond to the error in the timings: b = constant cadence, c = direct subtraction, d = weighted blocks, e = weighted cells, f = weighted photons, g = Iterated Bayesian Blocks method with original weighting, h = Iterated Bayesian Blocks method with alternate weighting.
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