Update LSST data listings

CHANGELOG.md

@@ -28,6 +28,8 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 
 ### Changed
 
+- `docs/source/listings.rst`
+    - updated resource names and descriptions for LSST data listings
 - `pittgoogle/alert.py`
     - Address a bug in the `get` and `get_key` functions that raises an `AttributeError` when a field's value is `None`
 

docs/source/listings.rst

@@ -205,7 +205,7 @@ Pub/Sub Alert Streams
         attribute is set to "likely" if the alert has a Stetson J index of at least 20 and at least 30 detections in
         the g, r, or u band. The default value is "unlikely".
 
-    * - lsst-SuperNNova
+    * - lsst-supernnova
       - lsst-lite plus SuperNNova classification results (Ia vs non-Ia).
 
 BigQuery Tables
@@ -221,28 +221,31 @@ BigQuery Tables
       - Description
 
     * - lsst
-      - alerts_v7_4
-      - Alert data for LSST schema version 7.4. This table is an archive of the lsst-alerts Pub/Sub stream,
-        excluding image cutouts and metadata.
-        It has the same schema as the original alert bytes (except cutouts), including nested and repeated fields.
-        Equivalent tables exist for previous schema versions: alerts_v7_3,  alerts_v7_1.
+      - alerts_v9_0
+      - Alert data for LSST schema version 9.0. This table is an archive of the lsst-alerts Pub/Sub stream,
+        excluding image cutouts and metadata. It has the same schema as the original alert bytes (except cutouts),
+        including nested and repeated fields. The fields `kafkaPublishTimestamp` and `healpix9`, `healpix19`, and
+        `healpix29` are included to support time-based partitioning and spatial clustering, respectively.
 
     * - lsst
       - upsilon
       - Results from UPSILoN's (Kim \& Bailer-Jones, 2015) multi-class classification results (e.g., RR Lyrae,
         Cepheid, Type II Cepheid, Delta Scuti star, eclipsing binary, long-period variable, etc.). Contains
         the predicted label (i.e., class), the probability of the predicted label, and a flag value: 0
         (successful classification), 1 (suspicious classification because the period is in period alias or the period
-        SNR is lower than 20) for each band used to observe the diaObject associated with an alert.
+        SNR is lower than 20) for each band used to observe the diaObject associated with an alert. The field
+        `kafkaPublishTimestamp` is included to support time-based partitioning.
 
     * - lsst
       - variability
       - Results from the lsst-variability module. This table contains Stetson J indices and the number of detections (i.e.,
-        data points) for each band used to observe the diaObject associated with an alert.
+        data points) for each band used to observe the diaObject associated with an alert. The field
+        `kafkaPublishTimestamp` is included to support time-based partitioning.
 
     * - lsst
-      - SuperNNova
-      - Results from a SuperNNova (Möller \& de Boissière, 2019) Type Ia supernova classification (binary).
+      - supernnova
+      - Results from a SuperNNova (Möller \& de Boissière, 2019) Type Ia supernova classification (binary). The field
+        `kafkaPublishTimestamp` is included to support time-based partitioning.
 
 Cloud Storage Buckets
 ^^^^^^^^^^^^^^^^^^^^^
@@ -258,5 +261,6 @@ Cloud Storage Buckets
     * - ardent-cycling-243415-lsst_alerts
       - Alert data for LSST. This bucket is an Avro file archive of the lsst-alerts Pub/Sub stream,
         including image cutouts and metadata. Each alert is stored as a separate Avro file.
-        The filename syntax is: `<schema_version>/<alert_date>/<diaObjectId>/<diaSourceId>.avro`.
-        For example, `v7_3/2026-10-01/3516505565058564097/3527242976319242284.avro`.
+        The filename syntax is: `<schema_version>/kafkaPublishTimestamp=<kafka_timestamp>/<objectid_key>=<objectid>/<sourceid_key>=<sourceid>.avro`.
+        DIA Object example: `v9_0/kafkaPublishTimestamp=2026-10-01/diaObjectId=3516505565058564097/diaSourceId=3527242976319242284.avro`.
+        Solar System Object example: `v9_0/kafkaPublishTimestamp=2026-10-01/ssObjectId=3516505565058564097/diaSourceId=3527242976319242284.avro`.