Since GECAM-A has not been able to observe owing to the power supply shortage, we just list the characteristics of GECAM-B
Table 1. Characteristics of GECAM-B.
Parameters | Values | Notes |
Orbit | 600 km, 29 deg | / |
Life time | 3 years | Goal: 5 years |
GRD energy range | 15 keV-5 MeV | / |
Field of view | ~60% all-sky | All-sky unocculted by Earth |
Burst Sensitivity | ~2E-8 erg/cm2/s | 20 s, 10-1000 keV |
Burst localization accuracy | ~2 deg (1σ stat.) | Flux=1E-6 erg/cm2/s, 10s |
Absolute timing accuracy | < 3 μs | / |
Relative timing accuracy | ~0.1μs | Between detectors |
Time latency of trigger data | ~60 s | For the first BDS message |