Table 1
Energy bands used for different RXTE calibration epochs.
| Epoch | Band 1 | Band 2 | Band 3 | Band 4 |
| energy [keV] (channels) | energy [keV] (channels) | energy [keV] (channels) | energy [keV] (channels) | |
|
|
||||
| 3 | ~1.9b–4.1 (0–10) | ~4.1–5.1 (11–13) | ~5.1–8.3 (14–22) | ~8.3–13.0 (23–35) |
| 4 | ~2.1b–4.6 (0–10) | ~4.6–5.9 (11–13) | ~5.9–9.7 (14–22) | ~9.7–15.2 (23–35) |
| 5a (PCU 0) | ~2.0b–4.6 (0–10) | ~4.6–5.8 (11–13) | ~5.8–9.7 (14–22) | ~9.7–15.4 (23–35) |
| 5a (PCU 1,2,3,4) | ~2.1b–4.5 (0–10) | ~4.5–5.7 (11–13) | ~5.7–9.4 (14–22) | ~9.4–14.8 (23–35) |
Notes. Values from http://heasarc.nasa.gov/docs/xte/e-c_table.html. Starting times of epochs are shown in Fig. 1. Since the majority of the data is from epoch 5, we cite the band energies throughout this paper as 2.1–4.5 keV for band 1, 4.5–5.7 keV for band 2, 5.7–9.4 keV for band 3, and 9.4–15 keV for band 4.
Nominally the 0th channel extends to ~0 keV, but the effective area is negligible below 2 keV (Jahoda et al. 2006).
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