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skyportal · Nov 28, 2023 · 5b1a17d · 5b1a17d
1 parent 9b699bf
commit 5b1a17d
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/kowalski/alert_brokers/alert_broker_ztf.py b/kowalski/alert_brokers/alert_broker_ztf.py
@@ -505,8 +505,12 @@ def flux_to_mag(self, flux, fluxerr, zp):
         magerr = 1.0857 * (values[1] / values[0])
         limmag3sig = -2.5 * np.log10(3 * values[1]) + values[2]
         limmag5sig = -2.5 * np.log10(5 * values[1]) + values[2]
-        if snr < 0:
+        if np.isnan(snr):
             return {}
+        if snr < 0:
+            return {
+                "snr": snr,
+            }
         mag_data = {
             "mag": mag,
             "magerr": magerr,