SK_SN binary conversion

gcn_classic_to_json/notices/SK_SN/__init__.py

@@ -0,0 +1,33 @@
+import numpy as np
+
+from ... import utils
+
+
+def parse(bin):
+    bin[10]  # Unused. According to Docs:'4 bytes for the future'.
+    bin[12]  # Unused. According to Docs:'4 bytes for the future'.
+    bin[17]  # Unused. According to Docs:'4 bytes for the future'.
+    bin[
+        19
+    ]  # Intentionally Omitted. Defined as miscellaneous bits, but does not have any information.
+    bin[22:39]  # Unused. According to Docs:'68 bytes for the future'.
+
+    trig_id_bits = np.flip(np.unpackbits(bin[18:19].view(dtype="u1")))
+
+    return {
+        "mission": "Super-Kamiokande",
+        "alert_type": "initial",
+        "alert_tense": "test" if trig_id_bits[1] else "current",
+        "messenger": "Neutrino",
+        "id": [bin[4]],
+        "trigger_time": utils.datetime_to_iso8601(bin[5], bin[6]),
+        "ra": bin[7] * 1e-4,
+        "dec": bin[8] * 1e-4,
+        "ra_dec_error": bin[15] * 1e-4,
+        "ra_dec_error_68": bin[11] * 1e-4,
+        "ra_dec_error_95": bin[16] * 1e-4,
+        "n_events": bin[9],
+        "collection_duration": bin[21] * 1e-4,
+        "energy_limit": bin[20] * 1e-1,
+        "distance_range": [bin[13] * 1e-5, bin[14] * 1e-5],
+    }

gcn_classic_to_json/notices/SK_SN/example.json

@@ -0,0 +1,22 @@
+{
+  "mission": "Super-Kamiokande",
+  "alert_type": "initial",
+  "alert_tense": "test",
+  "messenger": "Neutrino",
+  "id": [
+    10063
+  ],
+  "trigger_time": "2024-05-31T23:05:35.570Z",
+  "ra": 270.8199,
+  "dec": 31.46,
+  "ra_dec_error": 0.91,
+  "ra_dec_error_68": 0.64,
+  "ra_dec_error_95": 1.04,
+  "n_events": 64176,
+  "collection_duration": 10.0,
+  "energy_limit": 7000.0,
+  "distance_range": [
+    0.00216,
+    0.0029500000000000004
+  ]
+}