# \#alert **URL:** https://www.rubin.community/tag/alert/11.md [Latest](https://www.rubin.community/latest.md) · [Categories](https://www.rubin.community/categories.md) · [Tags](https://www.rubin.community/tags.md) --- ## [diaObject summary stats are only provided for the observed filter](https://www.rubin.community/t/diaobject-summary-stats-are-only-provided-for-the-observed-filter/11991)
**Author:** [@genghisken](https://www.rubin.community/u/genghisken)\ **Replies:** 8\ **Last updated:** [September 10, 2026, 1:38am UTC](https://www.rubin.community/t/diaobject-summary-stats-are-only-provided-for-the-observed-filter/11991 "2026-09-10T01:38:26Z")
Each time we receive an alert, we get summary stats with the diaObject relating to the current band only. All the other bands are NaN or zero (see r-band example below). Is there a reason for this? I assume this is a spe… --- ## [Independent MVP for associating unlinked alerts with known SSO orbits](https://www.rubin.community/t/independent-mvp-for-associating-unlinked-alerts-with-known-sso-orbits/12294)
**Author:** [@recoil77](https://www.rubin.community/u/recoil77)\ **Replies:** 11\ **Last updated:** [July 24, 2026, 4:39pm UTC](https://www.rubin.community/t/independent-mvp-for-associating-unlinked-alerts-with-known-sso-orbits/12294 "2026-07-24T16:39:16Z")
Hi all, I have released an MVP of an independent pipeline for associating previously unlinked alert detections with known Minor Planet Center orbits: https://sso.fullnode.pro/ The motivation is simple: ssObjectId = 0 … --- ## [Major planet alerts](https://www.rubin.community/t/major-planet-alerts/12206)
**Author:** [@mattburger](https://www.rubin.community/u/mattburger)\ **Replies:** 5\ **Last updated:** [July 9, 2026, 5:30pm UTC](https://www.rubin.community/t/major-planet-alerts/12206 "2026-07-09T17:30:00Z")
Is it possible to set up an alert for major planet observations? For example, can I set up and alert for whenever Mercury is in the field of view? I’ve tried SNAPS and Fink, but I don’t have an object ID. The Minor Plane… --- ## [Offset of g-band detections in the alert photometry](https://www.rubin.community/t/offset-of-g-band-detections-in-the-alert-photometry/12070)
**Author:** [@jannis.necker](https://www.rubin.community/u/jannis.necker)\ **Replies:** 1\ **Last updated:** [July 2, 2026, 11:27am UTC](https://www.rubin.community/t/offset-of-g-band-detections-in-the-alert-photometry/12070 "2026-07-02T11:27:52Z")
Hi, I am working on selecting nuclear candidate transients from the alert stream. I started noticing that there are a couple of objects where the g-band detections are spatially significantly offset from detections in o… --- ## [Rotation in alert postage stamps and cutouts](https://www.rubin.community/t/rotation-in-alert-postage-stamps-and-cutouts/12042)
**Author:** [@deltasata](https://www.rubin.community/u/deltasata)\ **Replies:** 3\ **Last updated:** [June 3, 2026, 7:00am UTC](https://www.rubin.community/t/rotation-in-alert-postage-stamps-and-cutouts/12042 "2026-06-03T07:00:43Z")
I have two questions regarding the alerts and cutouts: 1. Rotation of postage stamps in alert packets I’ve noticed that the postage stamps included in alert packets appear to vary in orientation across visits, reflecti… --- ## [Where can I find the number of points used in diaObject forced photometry statistics?](https://www.rubin.community/t/where-can-i-find-the-number-of-points-used-in-diaobject-forced-photometry-statistics/11941)
**Author:** [@mnicholl](https://www.rubin.community/u/mnicholl)\ **Replies:** 2\ **Last updated:** [May 15, 2026, 11:11am UTC](https://www.rubin.community/t/where-can-i-find-the-number-of-points-used-in-diaobject-forced-photometry-statistics/11941 "2026-05-15T11:11:34Z")
Hello I’m trying to calculate standard deviations and means of forced fluxes combining multiple bands, using the information in diaObject. As far as I can tell the diaObject contains the mean forced flux in each band (… --- ## [Expected timescale for wider alerts?](https://www.rubin.community/t/expected-timescale-for-wider-alerts/11923)
**Author:** [@dryczanowski](https://www.rubin.community/u/dryczanowski)\ **Replies:** 3\ **Last updated:** [May 5, 2026, 8:49pm UTC](https://www.rubin.community/t/expected-timescale-for-wider-alerts/11923 "2026-05-05T20:49:21Z")
Is there an estimate of when we might expect full-sky alerts once the survey truly “begins”? I guess my question is more how long, order of magnitude, will it take to produce good reference images for say ~half of the LS… --- ## [RTN-011 v7.2: Rubin Plans for an Early Science Program](https://www.rubin.community/t/rtn-011-v7-2-rubin-plans-for-an-early-science-program/11434)
**Author:** [@leanne](https://www.rubin.community/u/leanne)\ **Replies:** 1\ **Last updated:** [January 8, 2026, 9:22am UTC](https://www.rubin.community/t/rtn-011-v7-2-rubin-plans-for-an-early-science-program/11434 "2026-01-08T09:22:36Z")
A new version, v7.2, of technote RTN-011, “Rubin Observatory Plans for an Early Science Program,” has been issued and is available at https://rtn-011.lsst.io. This new version should be cited using its Rubin DOI. This … --- ## [Are past small cutouts (visit, template, difference) accessible via PPDB, or must they be retrieved through butler/SIA or broker?](https://www.rubin.community/t/are-past-small-cutouts-visit-template-difference-accessible-via-ppdb-or-must-they-be-retrieved-through-butler-sia-or-broker/10800)
**Author:** [@deltasata](https://www.rubin.community/u/deltasata)\ **Replies:** 3\ **Last updated:** [August 18, 2025, 7:32pm UTC](https://www.rubin.community/t/are-past-small-cutouts-visit-template-difference-accessible-via-ppdb-or-must-they-be-retrieved-through-butler-sia-or-broker/10800 "2025-08-18T19:32:54Z")
Similar questions have been discussed before, but I’m still unclear , so I am asking again (apologies for any repetition). Context: I am aiming to identify a transient class (e.g., lensed SNe) in the LSST alert stream … --- ## [Template image units in DP1 and first alerts](https://www.rubin.community/t/template-image-units-in-dp1-and-first-alerts/10203)
**Author:** [@ale\_munozarancibia](https://www.rubin.community/u/ale_munozarancibia)\ **Replies:** 3\ **Last updated:** [June 17, 2025, 6:24pm UTC](https://www.rubin.community/t/template-image-units-in-dp1-and-first-alerts/10203 "2025-06-17T18:24:17Z")
Hi, From RTN-011 table 1 I get that DP1 will include both “DRP Processed Visit Images and Source Catalogs” and “DRP Difference Images and DIA Catalogs”. Will it include template images as well? If this is the case, will… --- ## [SSObject association algorithm](https://www.rubin.community/t/ssobject-association-algorithm/10311)
**Author:** [@JulienPeloton](https://www.rubin.community/u/JulienPeloton)\ **Replies:** 4\ **Last updated:** [June 27, 2025, 8:56am UTC](https://www.rubin.community/t/ssobject-association-algorithm/10311 "2025-06-27T08:56:13Z")
Hello, As far as I understand (LSE-163, latest Revision: 2023-07-10), the Solar System Processing pipeline will make the association between DIA sources and SSOject, and if successful, it will populate the SSObject, lea… --- ## [PCW 2023 sessions: contributions to the alert follow-up system session](https://www.rubin.community/t/pcw-2023-sessions-contributions-to-the-alert-follow-up-system-session/7769)
**Author:** [@bryanwmiller](https://www.rubin.community/u/bryanwmiller)\ **Replies:** 0\ **Last updated:** [July 18, 2023, 2:39pm UTC](https://www.rubin.community/t/pcw-2023-sessions-contributions-to-the-alert-follow-up-system-session/7769 "2023-07-18T14:39:51Z")
We are organizing a session on updates to efforts to follow-up Rubin alerts, see https://project.lsst.org/meetings/rubin2023/agenda/refining-alert-follow-system We are planning presentation on brokers, software tools s… --- ## [minTai in diaObject](https://www.rubin.community/t/mintai-in-diaobject/7668)
**Author:** [@roy](https://www.rubin.community/u/roy)\ **Replies:** 1\ **Last updated:** [May 30, 2023, 9:22pm UTC](https://www.rubin.community/t/mintai-in-diaobject/7668 "2023-05-30T21:22:39Z")
Users of the Lasair broker are interested in what is a new object. Therefore we include the minimum MJD (aka TAI) as a feature of the object. However, for scalability, all our features are computed only on what comes wit… --- ## [A science perspective on options for alert packets (DMTN-248)](https://www.rubin.community/t/a-science-perspective-on-options-for-alert-packets-dmtn-248/7406)
**Author:** [@MelissaGraham](https://www.rubin.community/u/MelissaGraham)\ **Replies:** 0\ **Last updated:** [February 8, 2023, 11:47pm UTC](https://www.rubin.community/t/a-science-perspective-on-options-for-alert-packets-dmtn-248/7406 "2023-02-08T23:47:43Z")
Over the last couple of years several questions about options for alert packet contents have arisen, mostly related to minimizing alert packet size and thus bandwidth usage. The Rubin Observatory Data Management System … --- ## [TVS SN WG summer break](https://www.rubin.community/t/tvs-sn-wg-summer-break/6970)
**Author:** [@FabioRagosta](https://www.rubin.community/u/FabioRagosta)\ **Replies:** 0\ **Last updated:** [August 10, 2022, 9:45am UTC](https://www.rubin.community/t/tvs-sn-wg-summer-break/6970 "2022-08-10T09:45:47Z")
On August 3rd there was the last meeting before the summer break for the TVS SN WG. The meeting was focused on discuss the state of art of the ongoing projects. The Supernova working group aims to discuss about Supernova… --- ## [Public Alerts from a DECam Deep Drilling Survey](https://www.rubin.community/t/public-alerts-from-a-decam-deep-drilling-survey/4850)
**Author:** [@MelissaGraham](https://www.rubin.community/u/MelissaGraham)\ **Replies:** 5\ **Last updated:** [March 31, 2021, 11:08pm UTC](https://www.rubin.community/t/public-alerts-from-a-decam-deep-drilling-survey/4850 "2021-03-31T23:08:42Z")
List of Co-InvestigatorsMelissa L. Graham (U. Washington), Peter E. Nugent, Daniel A. Goldstein, Alex Kim (LBNL), Gautham Narayan, Monika Soraisam, Yue Shen (U. Illinois), Rachel Street (Las Cumbres), Francisco Förster (… --- ## [Host galaxy association for LSST transients: request for comments](https://www.rubin.community/t/host-galaxy-association-for-lsst-transients-request-for-comments/4812)
**Author:** [@MelissaGraham](https://www.rubin.community/u/MelissaGraham)\ **Replies:** 1\ **Last updated:** [March 26, 2021, 9:47am UTC](https://www.rubin.community/t/host-galaxy-association-for-lsst-transients-request-for-comments/4812 "2021-03-26T09:47:22Z")
The Data Management System Science Team proposes to add to the DIAObject table a total of four new elements that will provide more scientifically useful associations for transients and their potential host galaxies. This… --- ## [Ap\_pipe in sequential](https://www.rubin.community/t/ap-pipe-in-sequential/4691)
**Author:** [@racine](https://www.rubin.community/u/racine)\ **Replies:** 7\ **Last updated:** [February 10, 2021, 1:41am UTC](https://www.rubin.community/t/ap-pipe-in-sequential/4691 "2021-02-10T01:41:15Z")
Hi all, As explained in this post, I am running ap\_pipe on HSC public data to produce light curves, using v20.0.0 and gen2. I was having issues running it in //, where I had doublets as is also seen here\*, as well as o… --- ## [Proposed New Category: Alerts & Brokers (a sub-category of Science)](https://www.rubin.community/t/proposed-new-category-alerts-brokers-a-sub-category-of-science/4503)
**Author:** [@MelissaGraham](https://www.rubin.community/u/MelissaGraham)\ **Replies:** 5\ **Last updated:** [October 27, 2020, 3:22pm UTC](https://www.rubin.community/t/proposed-new-category-alerts-brokers-a-sub-category-of-science/4503 "2020-10-27T15:22:30Z")
Name: “Alerts & Brokers” (proposed to be a sub-category of “Science”) Motivation: The distribution and brokering of alerts from precursor surveys is already well underway, and gaining momentum. There is not currently a … --- ## [Sample alerts from the Science Pipelines](https://www.rubin.community/t/sample-alerts-from-the-science-pipelines/4252)
**Author:** [@ebellm](https://www.rubin.community/u/ebellm)\ **Replies:** 0\ **Last updated:** [July 11, 2020, 3:47am UTC](https://www.rubin.community/t/sample-alerts-from-the-science-pipelines/4252 "2020-07-11T03:47:18Z")
The Rubin Observatory Data Management Team is releasing sample alert packets produced by its pipelines run on precursor survey data. These alerts are intended to provide candidate community alert brokers as well as scien… --- ## [Notes from a discussion with Stella Kafka of AAVSO](https://www.rubin.community/t/notes-from-a-discussion-with-stella-kafka-of-aavso/712)
**Author:** [@KSK](https://www.rubin.community/u/KSK)\ **Replies:** 10\ **Last updated:** [November 27, 2018, 6:56pm UTC](https://www.rubin.community/t/notes-from-a-discussion-with-stella-kafka-of-aavso/712 "2018-11-27T18:56:02Z")
I just had a discussion with Stella Kafka from the AAVSO about some pretty exciting connections LSST can make with the community of non-professional astronomers via the LSST alert stream. The main use case, and one I d… --- ## [VOEvent specifications](https://www.rubin.community/t/voevent-specifications/886)
**Author:** [@KSK](https://www.rubin.community/u/KSK)\ **Replies:** 8\ **Last updated:** [September 1, 2016, 11:50am UTC](https://www.rubin.community/t/voevent-specifications/886 "2016-09-01T11:50:16Z")
Alert production is sensitive to how events are specified (VOEvent standard), authored and publishing streams (VOEvent Protocol). These are all pieces that sit outside the algorithmic effort specific to the Alert Produc… --- ## [Alert plans for fields with multiple visits in a night](https://www.rubin.community/t/alert-plans-for-fields-with-multiple-visits-in-a-night/474)
**Author:** [@yoachim](https://www.rubin.community/u/yoachim)\ **Replies:** 10\ **Last updated:** [January 15, 2016, 1:53am UTC](https://www.rubin.community/t/alert-plans-for-fields-with-multiple-visits-in-a-night/474 "2016-01-15T01:53:12Z")
A random thought that occurred to me at the AAS meeting: LSST will often observe a field multiple times in a night, either as part of an asteroid pair or a deep drilling sequence. Is there any plan to co-add images take…