ACROSS supports a layered approach to metadata. Observatories have Telescopes which have Instruments.
See documentation for more details.
Observatory Metadata
[XRISM] X-ray Imaging and Spectroscopy Mission
050cae97-6f92-4ee5-909f-19c79f8b13bd
observatory type: SPACE_BASED
url: https://www.xrism.jaxa.jp/en/
Observatory Ephemeris Types
{
"ephemeris_type": "tle",
"priority": 1,
"parameters": {
"norad_id": 57800,
"norad_satellite_name": "XRISM"
}
}Telescopes (1)
[XMA] X-ray Mirror Assembly
da146080-ddd8-4b4b-9be5-bc1f71763dc1
[XMA] X-ray Mirror Assembly
da146080-ddd8-4b4b-9be5-bc1f71763dc1
Instruments (2)
[Xtend] Xtend
0c94d3eb-fcad-4918-8e6b-4b2ce5a00d79
[Xtend] Xtend
0c94d3eb-fcad-4918-8e6b-4b2ce5a00d79
Filters (1)
XRISM Xtend
id: 0454afe5-ad11-473f-8146-30c27ea864b4
created_on: 2026-05-11T20:39:45.101029
name: XRISM Xtend
peak_wavelength: null
min_wavelength: 0.9537246033323097 Å
max_wavelength: 30.996049608300062 Å
is_operational: true
sensitivity_depth_unit: null
sensitivity_depth: null
sensitivity_time_seconds: null
instrument_id: 0c94d3eb-fcad-4918-8e6b-4b2ce5a00d79
Footprint
[
[
{
"x": -0.32083000000000084,
"y": 0.00583
},
{
"x": -0.0058300000000031105,
"y": 0.00583
},
{
"x": -0.0058300000000031105,
"y": 0.32083
},
{
"x": -0.32083000000000084,
"y": 0.32083
},
{
"x": -0.32083000000000084,
"y": 0.00583
}
],
[
{
"x": 0.00583,
"y": 0.00583
},
{
"x": 0.32083,
"y": 0.00583
},
{
"x": 0.32083,
"y": 0.32083
},
{
"x": 0.00583,
"y": 0.32083
},
{
"x": 0.00583,
"y": 0.00583
}
],
[
{
"x": 0.00583,
"y": -0.32083
},
{
"x": 0.32083,
"y": -0.32083
},
{
"x": 0.32083,
"y": -0.00583
},
{
"x": 0.00583,
"y": -0.00583
},
{
"x": 0.00583,
"y": -0.32083
}
],
[
{
"x": -0.32083000000000084,
"y": -0.32083
},
{
"x": -0.0058300000000031105,
"y": -0.32083
},
{
"x": -0.0058300000000031105,
"y": -0.00583
},
{
"x": -0.32083000000000084,
"y": -0.00583
},
{
"x": -0.32083000000000084,
"y": -0.32083
}
]
] Constraints (4)
{
"short_name": "Sun",
"name": "Sun Angle",
"min_angle": 60,
"max_angle": 120
} {
"short_name": "SAA",
"name": "South Atlantic Anomaly",
"polygon": [
[
-84,
-35
],
[
-92,
-24
],
[
-92,
-12
],
[
-66,
0
],
[
-36,
0
],
[
0,
-20
],
[
4,
-22
],
[
20,
-22
],
[
20,
-35
],
[
-84,
-35
]
]
} {
"short_name": "Moon",
"name": "Moon Angle",
"min_angle": 20,
"max_angle": null
} {
"short_name": "Earth",
"name": "Earth Limb",
"min_angle": 20,
"max_angle": null
} [Resolve] Resolve
8d9a6fe9-330b-4ba6-83d3-506a1609b199
[Resolve] Resolve
8d9a6fe9-330b-4ba6-83d3-506a1609b199
Filters (1)
XRISM Resolve
id: 9693d1c8-d9ae-4309-a3b2-6dee7e862e96
created_on: 2026-05-11T20:39:45.101020
name: XRISM Resolve
peak_wavelength: null
min_wavelength: 1.0332016536100022 Å
max_wavelength: 7.293188143129427 Å
is_operational: true
sensitivity_depth_unit: null
sensitivity_depth: null
sensitivity_time_seconds: null
instrument_id: 8d9a6fe9-330b-4ba6-83d3-506a1609b199
Footprint
[
[
{
"x": -0.025,
"y": -0.025
},
{
"x": 0.025,
"y": -0.025
},
{
"x": 0.025,
"y": 0.025
},
{
"x": -0.025,
"y": 0.025
},
{
"x": -0.025,
"y": -0.025
}
]
] Constraints (4)
{
"short_name": "Sun",
"name": "Sun Angle",
"min_angle": 60,
"max_angle": 120
} {
"short_name": "SAA",
"name": "South Atlantic Anomaly",
"polygon": [
[
-84,
-35
],
[
-92,
-24
],
[
-92,
-12
],
[
-66,
0
],
[
-36,
0
],
[
0,
-20
],
[
4,
-22
],
[
20,
-22
],
[
20,
-35
],
[
-84,
-35
]
]
} {
"short_name": "Moon",
"name": "Moon Angle",
"min_angle": 20,
"max_angle": null
} {
"short_name": "Earth",
"name": "Earth Limb",
"min_angle": 20,
"max_angle": null
}