# Science

**URL:** https://www.rubin.community/c/sci/23.md?page=1

[Latest](https://www.rubin.community/latest.md) · [Categories](https://www.rubin.community/categories.md) · [Tags](https://www.rubin.community/tags.md)

**Page:** 2

---

## [New image in Skyviewer...and more](https://www.rubin.community/t/new-image-in-skyviewer-and-more/12391)

<div class="topic-metadata">

**Author:** [@kmetzger](https://www.rubin.community/u/kmetzger)\
**Replies:** 0\
**Last updated:** [July 31, 2026, 9:33pm UTC](https://www.rubin.community/t/new-image-in-skyviewer-and-more/12391 "2026-07-31T21:33:11Z")

</div>

We’re thrilled to share the first new image of our post-EDP2 era: Rubin’s view of the renowned COSMOS field! We’ve released a number of things as part of this new image that we think you’ll enjoy: COSMOS is now availab…

---

## [How can citizen scientists best support followup studies based on nightly alerts?](https://www.rubin.community/t/how-can-citizen-scientists-best-support-followup-studies-based-on-nightly-alerts/10640)

<div class="topic-metadata">

**Author:** [@nealmcb](https://www.rubin.community/u/nealmcb)\
**Replies:** 2\
**Last updated:** [July 30, 2026, 2:01am UTC](https://www.rubin.community/t/how-can-citizen-scientists-best-support-followup-studies-based-on-nightly-alerts/10640 "2026-07-30T02:01:20Z")

</div>

As Rubin prepares to release millions of alerts per night, many in the amateur and citizen science community are excited by the potential to contribute follow-up observations — through imaging, photometry, or even spectr…

---

## [DDF Observations under the Ocean Observing Strategy](https://www.rubin.community/t/ddf-observations-under-the-ocean-observing-strategy/12370)

<div class="topic-metadata">

**Author:** [@sdcorle1](https://www.rubin.community/u/sdcorle1)\
**Replies:** 2\
**Last updated:** [July 29, 2026, 9:14pm UTC](https://www.rubin.community/t/ddf-observations-under-the-ocean-observing-strategy/12370 "2026-07-29T21:14:37Z")

</div>

Given the implementation of the Ocean observing strategy for DDF, is there a table or a formula that I can use to determine the number of visits/exposures for each of the different DDF mini-surveys? In this question, I…

---

## [Help Shape the Future: Survey on Rubin In-Kind Telescope Capabilities & Access](https://www.rubin.community/t/help-shape-the-future-survey-on-rubin-in-kind-telescope-capabilities-access/12375)

<div class="topic-metadata">

**Author:** [@steven.margheim](https://www.rubin.community/u/steven.margheim)\
**Replies:** 0\
**Last updated:** [July 29, 2026, 6:16pm UTC](https://www.rubin.community/t/help-shape-the-future-survey-on-rubin-in-kind-telescope-capabilities-access/12375 "2026-07-29T18:16:34Z")

</div>

NOIRLab is actively optimizing the Rubin In-Kind Contributed Telescope Access program to ensure it aligns with your science needs and follow-up workflows. Recent proposal cycles have highlighted a clear trend: while the…

---

## [Request for Rubin OIDC client registration for Solar System added value service](https://www.rubin.community/t/request-for-rubin-oidc-client-registration-for-solar-system-added-value-service/12323)

<div class="topic-metadata">

**Author:** [@mjuric](https://www.rubin.community/u/mjuric)\
**Replies:** 2\
**Last updated:** [July 28, 2026, 8:14pm UTC](https://www.rubin.community/t/request-for-rubin-oidc-client-registration-for-solar-system-added-value-service/12323 "2026-07-28T20:14:48Z")

</div>

Hello, In anticipation of DP2, I’m preparing an external service under juriclab.org, run by my group at the University of Washington, that will provide added-value data products, tools, and data access methods primarily…

---

## [Release of v5.3 Simulations](https://www.rubin.community/t/release-of-v5-3-simulations/12032)

<div class="topic-metadata">

**Author:** [@ljones](https://www.rubin.community/u/ljones)\
**Replies:** 7\
**Last updated:** [July 28, 2026, 4:24pm UTC](https://www.rubin.community/t/release-of-v5-3-simulations/12032 "2026-07-28T16:24:46Z")

</div>

The start of the LSST is fast approaching, and there has been significant interest in new simulations that would include more up-to-date knowledge and expectations of the system’s likely performance in year one and onwar…

---

## [Rubin Simonyi Telescope Saturation Point](https://www.rubin.community/t/rubin-simonyi-telescope-saturation-point/12361)

<div class="topic-metadata">

**Author:** [@sdcorle1](https://www.rubin.community/u/sdcorle1)\
**Replies:** 0\
**Last updated:** [July 28, 2026, 4:09pm UTC](https://www.rubin.community/t/rubin-simonyi-telescope-saturation-point/12361 "2026-07-28T16:09:16Z")

</div>

I extracted 15 objects from the ALeRCE alerts database for study. These objects were chosen based upon their classification by ALeRCE as type = VS. For my purposes, I also extracted the relevant detections. To prepare f…

---

## [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)

<div class="topic-metadata">

**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")

</div>

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 …

---

## [LSST DP1 + VISTA VIDEO fusion dataset on the UK RSP](https://www.rubin.community/t/lsst-dp1-vista-video-fusion-dataset-on-the-uk-rsp/12189)

<div class="topic-metadata">

**Author:** [@Saremi-Elham](https://www.rubin.community/u/Saremi-Elham)\
**Replies:** 3\
**Last updated:** [July 24, 2026, 2:26pm UTC](https://www.rubin.community/t/lsst-dp1-vista-video-fusion-dataset-on-the-uk-rsp/12189 "2026-07-24T14:26:24Z")

</div>

Dear all, We are pleased to announce the delivery of the first LSST–VISTA fusion dataset as part of the UK in-kind contribution UKD-UKD-S5, which is now available through the UK Rubin Science Platform. The LSSTComCam D…

---

## [Built a web-based planetarium that tracks vera rubin alerts plus more](https://www.rubin.community/t/built-a-web-based-planetarium-that-tracks-vera-rubin-alerts-plus-more/11861)

<div class="topic-metadata">

**Author:** [@atan02](https://www.rubin.community/u/atan02)\
**Replies:** 31\
**Last updated:** [July 23, 2026, 1:36am UTC](https://www.rubin.community/t/built-a-web-based-planetarium-that-tracks-vera-rubin-alerts-plus-more/11861 "2026-07-23T01:36:18Z")

</div>

Hi Everyone, I created this web app after watching a Youtube video from Fraser Cain about the public availability of Alerts from the ANTARES broker. I ended up connecting a bunch of different services together after a 1s…

---

## [Rubin Science Assembly, Thu July 16, 2026: Drop-in office hour](https://www.rubin.community/t/rubin-science-assembly-thu-july-16-2026-drop-in-office-hour/12296)

<div class="topic-metadata">

**Author:** [@jeffcarlin](https://www.rubin.community/u/jeffcarlin)\
**Replies:** 0\
**Last updated:** [July 15, 2026, 8:40pm UTC](https://www.rubin.community/t/rubin-science-assembly-thu-july-16-2026-drop-in-office-hour/12296 "2026-07-15T20:40:17Z")

</div>

All are welcome to attend the Rubin Science Assemblies: weekly virtual sessions that focus on learning to use the Rubin data products, pipelines, and services. Date: July 16 2026, 9am Pacific (2026-07-16T17:00:00Z (UTC))…

---

## [Known comets missing Solar System association fields](https://www.rubin.community/t/known-comets-missing-solar-system-association-fields/12204)

<div class="topic-metadata">

**Author:** [@mcleod](https://www.rubin.community/u/mcleod)\
**Replies:** 17\
**Last updated:** [July 15, 2026, 1:18am UTC](https://www.rubin.community/t/known-comets-missing-solar-system-association-fields/12204 "2026-07-15T01:18:54Z")

</div>

Hi, I wanted to raise a possible Solar System association issue, or at least check whether I am interpreting the alert packets correctly. Before comet associations were added to the Rubin alert pipeline, I wrote some c…

---

## [Target of Opportunity - IceCube-260708A](https://www.rubin.community/t/target-of-opportunity-icecube-260708a/12269)

<div class="topic-metadata">

**Author:** [@seanmacb](https://www.rubin.community/u/seanmacb)\
**Replies:** 1\
**Last updated:** [July 14, 2026, 8:18am UTC](https://www.rubin.community/t/target-of-opportunity-icecube-260708a/12269 "2026-07-14T08:18:51Z")

</div>

We always knew the LSST would hit the ground running. Right on cue, the universe has handed us our first major Target of Opportunity. Yesterday, we received notice of an exceptional high-energy neutrino candidate track-…

---

## [Zooniverse project](https://www.rubin.community/t/zooniverse-project/10300)

<div class="topic-metadata">

**Author:** [@InoSenpai](https://www.rubin.community/u/InoSenpai)\
**Replies:** 4\
**Last updated:** [July 13, 2026, 9:07pm UTC](https://www.rubin.community/t/zooniverse-project/10300 "2026-07-13T21:07:41Z")

</div>

Hi, I’m citizen scientist, join in Zooniverse, and translate some Zooniverse project to my native language. Zooniverse is cooperating with LSST/VRO, but I am only aware of the LSST-Zoo test project that is currently un…

---

## [Could someone help sanity-check LSST comet associations?](https://www.rubin.community/t/could-someone-help-sanity-check-lsst-comet-associations/12272)

<div class="topic-metadata">

**Author:** [@recoil77](https://www.rubin.community/u/recoil77)\
**Replies:** 2\
**Last updated:** [July 11, 2026, 6:03am UTC](https://www.rubin.community/t/could-someone-help-sanity-check-lsst-comet-associations/12272 "2026-07-11T06:03:24Z")

</div>

This is cross-match between public LSST alert detections and known comet ephemerides. The current candidate set contains 16 comets and 81 LSST detections over 2026-02-17 … 2026-07-07, with residuals mostly at the sub-ar…

---

## [Rubin Science Assembly, Thu July 9 2026: Retrieve Alerts with the RSP](https://www.rubin.community/t/rubin-science-assembly-thu-july-9-2026-retrieve-alerts-with-the-rsp/12256)

<div class="topic-metadata">

**Author:** [@gfonsecaalvarez](https://www.rubin.community/u/gfonsecaalvarez)\
**Replies:** 1\
**Last updated:** [July 11, 2026, 12:53am UTC](https://www.rubin.community/t/rubin-science-assembly-thu-july-9-2026-retrieve-alerts-with-the-rsp/12256 "2026-07-11T00:53:11Z")

</div>

All are welcome to attend the Rubin Science Assemblies: weekly virtual sessions that focus on learning to use the Rubin data products, pipelines, and services. Date: July 9 2026, 9am Pacific Daylight Time (UTC-7) Type:…

---

## [Updated reliability model deployed to Alert Production](https://www.rubin.community/t/updated-reliability-model-deployed-to-alert-production/12270)

<div class="topic-metadata">

**Author:** [@ebellm](https://www.rubin.community/u/ebellm)\
**Replies:** 0\
**Last updated:** [July 9, 2026, 10:43pm UTC](https://www.rubin.community/t/updated-reliability-model-deployed-to-alert-production/12270 "2026-07-09T22:43:23Z")

</div>

Starting tonight, Alert Production will use the v0.3 reliability model. DMTN-337 provides details on its training and performance compared to the prior v0.2 model. Its major advantage relative to the v0.2 model is that…

---

## [Rubin Science Assembly, Thu July 2 2026: Start of the LSST update and Q&A session](https://www.rubin.community/t/rubin-science-assembly-thu-july-2-2026-start-of-the-lsst-update-and-q-a-session/12208)

<div class="topic-metadata">

**Author:** [@jeffcarlin](https://www.rubin.community/u/jeffcarlin)\
**Replies:** 3\
**Last updated:** [July 9, 2026, 5:28pm UTC](https://www.rubin.community/t/rubin-science-assembly-thu-july-2-2026-start-of-the-lsst-update-and-q-a-session/12208 "2026-07-09T17:28:52Z")

</div>

All are welcome to attend the Rubin Science Assemblies: weekly virtual sessions that focus on learning to use the Rubin data products, pipelines, and services. Date: Thursday, July 2, 2026, 9am PDT (UTC-7) (2026-07-02T1…

---

## [RTN-011 v9.0 Rubin Plans for an Early Science Program](https://www.rubin.community/t/rtn-011-v9-0-rubin-plans-for-an-early-science-program/12224)

<div class="topic-metadata">

**Author:** [@leanne](https://www.rubin.community/u/leanne)\
**Replies:** 0\
**Last updated:** [July 2, 2026, 1:22am UTC](https://www.rubin.community/t/rtn-011-v9-0-rubin-plans-for-an-early-science-program/12224 "2026-07-02T01:22:18Z")

</div>

A new version, v9.0, of technote RTN-011, “Rubin Plans for an Early Science Program,” has been issued and is available at https://rtn-011.lsst.io. This new version should be cited as: NSF-DOE Vera C. Rubin Observatory …

---

## [Display showing real-time LSST alerts](https://www.rubin.community/t/display-showing-real-time-lsst-alerts/12265)

<div class="topic-metadata">

**Author:** [@roy](https://www.rubin.community/u/roy)\
**Replies:** 0\
**Last updated:** [July 9, 2026, 10:13am UTC](https://www.rubin.community/t/display-showing-real-time-lsst-alerts/12265 "2026-07-09T10:13:25Z")

</div>

There is a design and instructions on github for an RGB monitor showing real-time LSST alerts as they arrive. Tiny lightweight alerts are pulled from Lasair to a Raspberry Pi – alerts with just ra and decl attributes. Th…

---

## [Starithm NovaTrace — real-time GCN alert platform, looking for feedback from the broker community](https://www.rubin.community/t/starithm-novatrace-real-time-gcn-alert-platform-looking-for-feedback-from-the-broker-community/11966)

<div class="topic-metadata">

**Author:** [@kushasahu7](https://www.rubin.community/u/kushasahu7)\
**Replies:** 20\
**Last updated:** [July 9, 2026, 9:55am UTC](https://www.rubin.community/t/starithm-novatrace-real-time-gcn-alert-platform-looking-for-feedback-from-the-broker-community/11966 "2026-07-09T09:55:23Z")

</div>

Hi all, I’m building NovaTrace (Starithm - Real-time Astronomical Event Intelligence Platform), a production platform that aggregates multi-messenger alerts from GCN in real time. Given the overlap with what alert broke…

---

## [Launching 'Once in a Rubin Gem' for LSST follow-ups](https://www.rubin.community/t/launching-once-in-a-rubin-gem-for-lsst-follow-ups/12252)

<div class="topic-metadata">

**Author:** [@siyixu](https://www.rubin.community/u/siyixu)\
**Replies:** 0\
**Last updated:** [July 7, 2026, 2:15am UTC](https://www.rubin.community/t/launching-once-in-a-rubin-gem-for-lsst-follow-ups/12252 "2026-07-07T02:15:49Z")

</div>

The “Once in a Rubin Gem” Director’s Discretionary Time program is officially live as of July 6, 2026! This community-led initiative features a zero-proprietary period and focuses on the “unknown unknowns” discovered by …

---

## [LINCC Tech Talk on July 9 @5pm UTC - GOPREAUX: Spectrophotometric Templates of Extragalactic Transients Using Gaussian Process Regression](https://www.rubin.community/t/lincc-tech-talk-on-july-9-5pm-utc-gopreaux-spectrophotometric-templates-of-extragalactic-transients-using-gaussian-process-regression/12250)

<div class="topic-metadata">

**Author:** [@OliviaLynn](https://www.rubin.community/u/OliviaLynn)\
**Replies:** 0\
**Last updated:** [July 6, 2026, 9:27pm UTC](https://www.rubin.community/t/lincc-tech-talk-on-july-9-5pm-utc-gopreaux-spectrophotometric-templates-of-extragalactic-transients-using-gaussian-process-regression/12250 "2026-07-06T21:27:30Z")

</div>

Dear all, I hope you will join us for the July LINCC Tech Talk session that will take place on Thursday, July 9, at 10am Pacific/1pm Eastern on Zoom (https://ls.st/lincc-talks). We will hear about GoPreaux by Craig Pell…

---

## [New resources from EPO](https://www.rubin.community/t/new-resources-from-epo/12248)

<div class="topic-metadata">

**Author:** [@sdeppe](https://www.rubin.community/u/sdeppe)\
**Replies:** 0\
**Last updated:** [July 6, 2026, 6:04pm UTC](https://www.rubin.community/t/new-resources-from-epo/12248 "2026-07-06T18:04:06Z")

</div>

Hi everyone! With the exciting start of LSST and a new sparkly Rubin image now out in the world, EPO would like to share some new resources that you or folks you know might be interested in. The Rubin Dash, featured at…

---

## [Call for Input on Community Alert Filters for ANTARES Broker](https://www.rubin.community/t/call-for-input-on-community-alert-filters-for-antares-broker/9925)

<div class="topic-metadata">

**Author:** [@ryanlau](https://www.rubin.community/u/ryanlau)\
**Replies:** 8\
**Last updated:** [July 2, 2026, 9:09pm UTC](https://www.rubin.community/t/call-for-input-on-community-alert-filters-for-antares-broker/9925 "2026-07-02T21:09:27Z")

</div>

Deadline: May 30, 2025 Dear Rubin Science Community, We are pleased to announce the initial call for input for the development and implementation of Community Alert Filters for the ANTARES broker. A primary goal of the…

---

## [ALeRCE LSST and ZTF services maintenance on July 2 2026](https://www.rubin.community/t/alerce-lsst-and-ztf-services-maintenance-on-july-2-2026/12218)

<div class="topic-metadata">

**Author:** [@ale\_munozarancibia](https://www.rubin.community/u/ale_munozarancibia)\
**Replies:** 1\
**Last updated:** [July 2, 2026, 9:02pm UTC](https://www.rubin.community/t/alerce-lsst-and-ztf-services-maintenance-on-july-2-2026/12218 "2026-07-02T21:02:44Z")

</div>

ALeRCE LSST and ZTF services will undergo maintenance on Thursday July 2 2026 17:00 UT. Services are expected to be back by the same day at 21:00 UT. During this time, users will not be able to access to LSST and ZTF dat…

---

## [Users Committee Report (2026A; April 27)](https://www.rubin.community/t/users-committee-report-2026a-april-27/12064)

<div class="topic-metadata">

**Author:** [@iandreoni](https://www.rubin.community/u/iandreoni)\
**Replies:** 4\
**Last updated:** [July 2, 2026, 4:00pm UTC](https://www.rubin.community/t/users-committee-report-2026a-april-27/12064 "2026-07-02T16:00:20Z")

</div>

The Rubin Users Committee (UC) thanks the Rubin Project members for their continued efforts in serving the user community during the early science optimization phase of the LSST. The committee congratulates the Observato…

---

## [GTC Observing Time Opportunity for the US and Chilean Community](https://www.rubin.community/t/gtc-observing-time-opportunity-for-the-us-and-chilean-community/12233)

<div class="topic-metadata">

**Author:** [@steven.margheim](https://www.rubin.community/u/steven.margheim)\
**Replies:** 0\
**Last updated:** [July 2, 2026, 3:40pm UTC](https://www.rubin.community/t/gtc-observing-time-opportunity-for-the-us-and-chilean-community/12233 "2026-07-02T15:40:23Z")

</div>

Hello Rubin Community, We are pleased to announce a unique opportunity to secure high-impact observations on a premier 10m-class facility. Through the Rubin Observatory International In-kind Program, a special allocatio…

---

## [How does the Solar System Pipeline handle a very fast same-visit object spanning multiple Rubin detectors?](https://www.rubin.community/t/how-does-the-solar-system-pipeline-handle-a-very-fast-same-visit-object-spanning-multiple-rubin-detectors/12193)

<div class="topic-metadata">

**Author:** [@LienaDreams](https://www.rubin.community/u/LienaDreams)\
**Replies:** 25\
**Last updated:** [July 2, 2026, 11:58am UTC](https://www.rubin.community/t/how-does-the-solar-system-pipeline-handle-a-very-fast-same-visit-object-spanning-multiple-rubin-detectors/12193 "2026-07-02T11:58:45Z")

</div>

Hello, I have a question for Solar System Pipeline experts. I am seeing cases where a very fast object appears to cross multiple Rubin detectors within a single visit, producing several alerts with the same timestamp b…

---

## [Offset of g-band detections in the alert photometry](https://www.rubin.community/t/offset-of-g-band-detections-in-the-alert-photometry/12070)

<div class="topic-metadata">

**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")

</div>

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…

[Previous page](https://www.rubin.community/c/sci/23.md)

[Next page](https://www.rubin.community/c/sci/23.md?page=2)
