Monitor of All-sky X-ray Image (MAXI)
Launch Date: June 11, 2008
Extended Mission Lifetime: 2024+ (Pending JAXA Review)
End of Operations: Limited by ISS lifetime, currently 2030
Data Archive: JAXA
MAXI is a wide-field X-ray telescope designed to perform an all-sky survey. MAXI was developed by JAXA; data processing and operations are conducted by JAXA, Riken, Osaka University, Tokyo Institute of Technology, Aoyama Gakuin University, Nihon University, Kyoto University, Miyazaki University, and Chuo University.
| Instruments | Energy Range | Field of View | Localization |
|---|---|---|---|
| Solid-state Slit Camera (SSC) | 0.5 keV–10 keV | 90°x1.5° | ≤1° (statistical + systematic, 90%) |
| Gas Slit Camera (GSC) | 2 keV–30 keV | 160°x1.5° | ≤1° (statistical + systematic, 90%) |
GCN Notice Types in GCN Classic and GCN Classic Over Kafka: Detailed Descriptions and Examples
| Type | Contents | Latency |
|---|---|---|
MAXI_UNKNOWN | Signal with no catalogued source | 200 minutes |
MAXI_KNOWN | Signal with a matched catalog source | 200 minutes |
MAXI_TEST | Test notices | n/a |
Common GCN Circular Types:
| Type | Latency | Example |
|---|---|---|
| Detection of a GRB | hours | GRB 210320A |
| Observation of a GW trigger | hours | LIGO/Virgo S191110af |
| Obersation of a NuEM | days | NuEm-210111A |
MAXI Yearly Trigger Rates:
| Instrument | Type | Rates |
|---|---|---|
| GSC | GRB or unknown X-ray transient | 60-70 |
| Known source | 20-25 |