# Data Products **URL:** https://www.rubin.community/c/support/data/34.md?page=2 [Latest](https://www.rubin.community/latest.md) · [Categories](https://www.rubin.community/categories.md) · [Tags](https://www.rubin.community/tags.md) **Page:** 3 --- ## [Calibration Data](https://www.rubin.community/t/calibration-data/11013)
**Author:** [@Hoocory](https://www.rubin.community/u/Hoocory)\ **Replies:** 1\ **Last updated:** [October 2, 2025, 3:32pm UTC](https://www.rubin.community/t/calibration-data/11013 "2025-10-02T15:32:33Z")
I was interested in getting all the calibration data I could—things such as flats, bias, and darks. On the cloud’s Jupyter notebook using butler, when looking for bias, I used… butler query-datasets dp1 ‘bias’ This onl… --- ## [Mask for visit\_image cutout is not aligned with image](https://www.rubin.community/t/mask-for-visit-image-cutout-is-not-aligned-with-image/11056)
**Author:** [@ConnorStone](https://www.rubin.community/u/ConnorStone)\ **Replies:** 6\ **Last updated:** [October 6, 2025, 1:26pm UTC](https://www.rubin.community/t/mask-for-visit-image-cutout-is-not-aligned-with-image/11056 "2025-10-06T13:26:32Z")
I am working with some visit\_image’s and getting cutouts around my object of interest, I noticed in one of the cutouts that the associated mask was wrong (clearly from a totally different part of the image) meanwhile oth… --- ## [Object table in pixel rather than arcsec units?](https://www.rubin.community/t/object-table-in-pixel-rather-than-arcsec-units/11052)
**Author:** [@ConnorStone](https://www.rubin.community/u/ConnorStone)\ **Replies:** 2\ **Last updated:** [October 3, 2025, 12:45pm UTC](https://www.rubin.community/t/object-table-in-pixel-rather-than-arcsec-units/11052 "2025-10-03T12:45:16Z")
Hi all, I’ve been working on making my first analysis using Rubin data, and making use of the Object table to get some parameters. Looking at the sersic\_reff\_x parameter, and many more, I see that it is defined in terms… --- ## [Which objects will receive higher order astrometric solutions (parallaxes, proper motions)](https://www.rubin.community/t/which-objects-will-receive-higher-order-astrometric-solutions-parallaxes-proper-motions/10981)
**Author:** [@bailer-jones](https://www.rubin.community/u/bailer-jones)\ **Replies:** 1\ **Last updated:** [September 23, 2025, 6:33pm UTC](https://www.rubin.community/t/which-objects-will-receive-higher-order-astrometric-solutions-parallaxes-proper-motions/10981 "2025-09-23T18:33:07Z")
I would like to find out more about plans to estimate parallaxes and proper motions. I have seen the document DMTN-266 (Astrometric Calibration in the LSST Pipeline) which outlines the astrometric models that can be fit … --- ## [Using the proper acronym for Astronomical Unit in the LSST data schemas](https://www.rubin.community/t/using-the-proper-acronym-for-astronomical-unit-in-the-lsst-data-schemas/10956)
**Author:** [@mschwamb](https://www.rubin.community/u/mschwamb)\ **Replies:** 1\ **Last updated:** [September 23, 2025, 4:13pm UTC](https://www.rubin.community/t/using-the-proper-acronym-for-astronomical-unit-in-the-lsst-data-schemas/10956 "2025-09-23T16:13:07Z")
I’m not a fan of the switch, but the IAU did make it official so it would be good if Rubin used the standard au rather than the old AU for astronomical unit in their data schemas for alert production and DP2 and onward … --- ## [Citation/acknowledgement to First Look images](https://www.rubin.community/t/citation-acknowledgement-to-first-look-images/10982)
**Author:** [@romanow](https://www.rubin.community/u/romanow)\ **Replies:** 1\ **Last updated:** [September 19, 2025, 11:46pm UTC](https://www.rubin.community/t/citation-acknowledgement-to-first-look-images/10982 "2025-09-19T23:46:31Z")
Are there any guidelines to citations and acknowledgements for use of the First Look imaging in a paper? Should this tag be used? \\facilities{Rubin:Simonyi(LSSTCam)} Presumably there is no data DOI to cite yet… --- ## [Understanding masks in Reduced images - DECam gen3](https://www.rubin.community/t/understanding-masks-in-reduced-images-decam-gen3/10950)
**Author:** [@Paula](https://www.rubin.community/u/Paula)\ **Replies:** 4\ **Last updated:** [September 14, 2025, 6:34pm UTC](https://www.rubin.community/t/understanding-masks-in-reduced-images-decam-gen3/10950 "2025-09-14T18:34:21Z")
Hi all :slight\_smile: I’m currently analysing the masks from the reduced DECam images using the LSST pipeline (gen3), and I am having some trouble interpreting its values. Here is an example of a reduced image from DE… --- ## [Can DP1-based derived tools be shared with non-data right holders?](https://www.rubin.community/t/can-dp1-based-derived-tools-be-shared-with-non-data-right-holders/10916)
**Author:** [@ale\_munozarancibia](https://www.rubin.community/u/ale_munozarancibia)\ **Replies:** 3\ **Last updated:** [September 8, 2025, 12:05am UTC](https://www.rubin.community/t/can-dp1-based-derived-tools-be-shared-with-non-data-right-holders/10916 "2025-09-08T00:05:23Z")
Hi, I have a question about the DP1 data policy. Are data right holders allowed to share with non-data right holders tools that were created/trained based on DP1 data? I mean tools like e.g. a photometric redshift estim… --- ## [How to use WCSs in DP1 and commissioning processing](https://www.rubin.community/t/how-to-use-wcss-in-dp1-and-commissioning-processing/10769)
**Author:** [@jbosch](https://www.rubin.community/u/jbosch)\ **Replies:** 1\ **Last updated:** [August 15, 2025, 9:00pm UTC](https://www.rubin.community/t/how-to-use-wcss-in-dp1-and-commissioning-processing/10769 "2025-08-15T21:00:21Z")
We’ve seen a lot of confusion with our WCS objects recently, in both the DP1 release and with commissioning scientists encountering them in internal processing. It’s become clear that some aspects of the lsst.afw.geom.S… --- ## [Availability of streaked sources \>10deg/day](https://www.rubin.community/t/availability-of-streaked-sources-10deg-day/10830)
**Author:** [@jrob93](https://www.rubin.community/u/jrob93)\ **Replies:** 2\ **Last updated:** [August 19, 2025, 2:12pm UTC](https://www.rubin.community/t/availability-of-streaked-sources-10deg-day/10830 "2025-08-19T14:12:01Z")
Hi, I’ve been wondering about streaked sources in LSST, related to NEOs and also objects in non-heliocentric orbits (minimoons). I’m aware that sources with trail length \>10deg/day will not have alerts issued (DMTN-199) … --- ## [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 … --- ## [Question about the proposed contents of DP2](https://www.rubin.community/t/question-about-the-proposed-contents-of-dp2/10783)
**Author:** [@mschwamb](https://www.rubin.community/u/mschwamb)\ **Replies:** 2\ **Last updated:** [August 11, 2025, 9:32pm UTC](https://www.rubin.community/t/question-about-the-proposed-contents-of-dp2/10783 "2025-08-11T21:32:17Z")
Thanks for all the productive and informative discussions at the RCW. It’s really great to see how close the Observatory is to starting the LSST, which is an incredible feat. Given all the discussions about the changes … --- ## [Space Domain Awareness](https://www.rubin.community/t/space-domain-awareness/10686)
**Author:** [@Physarah](https://www.rubin.community/u/Physarah)\ **Replies:** 4\ **Last updated:** [July 31, 2025, 7:50pm UTC](https://www.rubin.community/t/space-domain-awareness/10686 "2025-07-31T19:50:59Z")
Hi all, I’m interested in using LSST data for space domain awareness research - tracking and characterising satellites. Will any satellites (e.g. geostationary satellites) be masked from LSST data releases, either to im… --- ## [Access to the sky viewer science data](https://www.rubin.community/t/access-to-the-sky-viewer-science-data/10646)
**Author:** [@furcelay](https://www.rubin.community/u/furcelay)\ **Replies:** 2\ **Last updated:** [July 27, 2025, 7:12pm UTC](https://www.rubin.community/t/access-to-the-sky-viewer-science-data/10646 "2025-07-27T19:12:18Z")
With the release of DP1 ComCam data, a sky viewer tool was also released for a smaller field close to the Virgo cluster. Are the science images of this field also accessible through the Rubin science platform? It would b… --- ## [Cutout types in alerts?](https://www.rubin.community/t/cutout-types-in-alerts/10619)
**Author:** [@deltasata](https://www.rubin.community/u/deltasata)\ **Replies:** 7\ **Last updated:** [July 21, 2025, 6:13pm UTC](https://www.rubin.community/t/cutout-types-in-alerts/10619 "2025-07-21T18:13:54Z")
I have a related question for clarification. Will the alert packets (sent to brokers within 60 seconds of image readout) include all three types of cutouts: visit/science, template/reference, and difference image (DI)? O… --- ## [Would it be possible to create bibtex citations for DP1 & DP1 technote/paper?](https://www.rubin.community/t/would-it-be-possible-to-create-bibtex-citations-for-dp1-dp1-technote-paper/10596)
**Author:** [@mschwamb](https://www.rubin.community/u/mschwamb)\ **Replies:** 4\ **Last updated:** [July 18, 2025, 9:15pm UTC](https://www.rubin.community/t/would-it-be-possible-to-create-bibtex-citations-for-dp1-dp1-technote-paper/10596 "2025-07-18T21:15:58Z")
Would it be possible to add a button or text with the bibtex entries for the relevant DP1 data products and DP1 description paper/technote to the DP1 documentation pages? It would help with paper writing/proposal writin… --- ## [Exposures with target\_name = 'slew\_icrs'](https://www.rubin.community/t/exposures-with-target-name-slew-icrs/10621)
**Author:** [@ale\_munozarancibia](https://www.rubin.community/u/ale_munozarancibia)\ **Replies:** 2\ **Last updated:** [July 18, 2025, 6:42pm UTC](https://www.rubin.community/t/exposures-with-target-name-slew-icrs/10621 "2025-07-18T18:42:36Z")
Hi, I noticed DP1 exposures have a field called target\_name corresponding to the 7 fields observed. However there are exposures that have target\_name = ‘slew\_icrs’, all of them within the ECDFS region. Can slew\_icrs exp… --- ## [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… --- ## [Loading DP0.2 images with Datalink on tutorial](https://www.rubin.community/t/loading-dp0-2-images-with-datalink-on-tutorial/10601)
**Author:** [@nowokaren](https://www.rubin.community/u/nowokaren)\ **Replies:** 1\ **Last updated:** [July 16, 2025, 6:32am UTC](https://www.rubin.community/t/loading-dp0-2-images-with-datalink-on-tutorial/10601 "2025-07-16T06:32:32Z")
In Section 4.1.2 Access via Datalink URL from tutorial 02c\_Image\_Queries\_with\_TAP, I’m encountering the following error when trying to obtain the new link. I didn’t make any changes to the tutorial code, and it seems tha… --- ## [URL to access images via SIA](https://www.rubin.community/t/url-to-access-images-via-sia/10480)
**Author:** [@aakash](https://www.rubin.community/u/aakash)\ **Replies:** 4\ **Last updated:** [July 2, 2025, 6:56pm UTC](https://www.rubin.community/t/url-to-access-images-via-sia/10480 "2025-07-02T18:56:58Z")
It seems like I can query the source catalogs from outside RSP via a specified TAP URL (https://data.lsst.cloud/api/tap). However, if I want to do the same for images/image cutouts, tools like pyvo seem to provide a way … --- ## [Is star/galaxy/QSO separation available in the DP1 Object table?](https://www.rubin.community/t/is-star-galaxy-qso-separation-available-in-the-dp1-object-table/10485)
**Author:** [@viveikjha](https://www.rubin.community/u/viveikjha)\ **Replies:** 2\ **Last updated:** [July 2, 2025, 6:45pm UTC](https://www.rubin.community/t/is-star-galaxy-qso-separation-available-in-the-dp1-object-table/10485 "2025-07-02T18:45:07Z")
I’m looking at the DP1 objects catalogue table and wondering — is any star/galaxy/QSO classification already available for objects in DP1? If not, what’s the recommended way to separate them — extendedness via PSF vs.… --- ## [Data policy for publishing images](https://www.rubin.community/t/data-policy-for-publishing-images/10374)
**Author:** [@romanow](https://www.rubin.community/u/romanow)\ **Replies:** 1\ **Last updated:** [June 30, 2025, 8:20pm UTC](https://www.rubin.community/t/data-policy-for-publishing-images/10374 "2025-06-30T20:20:42Z")
When publishing a paper based on Rubin imaging, is it not allowed to actually show an image in the paper? This is what it sounds like in the data policy document (RDO-013), because the images are considered proprietary … --- ## [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… --- ## [Differences between public alerts stream and data rights holders](https://www.rubin.community/t/differences-between-public-alerts-stream-and-data-rights-holders/10106)
**Author:** [@Vincenzo](https://www.rubin.community/u/Vincenzo)\ **Replies:** 1\ **Last updated:** [May 27, 2025, 12:33am UTC](https://www.rubin.community/t/differences-between-public-alerts-stream-and-data-rights-holders/10106 "2025-05-27T00:33:06Z")
Hi everyone, I have a general question on the Data policy and the difference between what is going to be publicy available to anyone through the alert streams and what the data rights holders are going to receive as addi… --- ## [Database Schema](https://www.rubin.community/t/database-schema/10015)
**Author:** [@sdcorle1](https://www.rubin.community/u/sdcorle1)\ **Replies:** 2\ **Last updated:** [April 30, 2025, 6:53pm UTC](https://www.rubin.community/t/database-schema/10015 "2025-04-30T18:53:15Z")
Will there be a future release of the Rubin/LSST database schema which follows the basic schema described in LDM-153? I see some mention of new data being released in the upcoming releases but I was unable to find a defi… --- ## [ID max value? (diaSourceId, diaObjectId, alertId, etc)](https://www.rubin.community/t/id-max-value-diasourceid-diaobjectid-alertid-etc/9948)
**Author:** [@ireyes](https://www.rubin.community/u/ireyes)\ **Replies:** 2\ **Last updated:** [April 8, 2025, 12:18am UTC](https://www.rubin.community/t/id-max-value-diasourceid-diaobjectid-alertid-etc/9948 "2025-04-08T00:18:50Z")
Hi! I was wondering if the ids for LSST will have any maximum value, for example if we can say for certain that any diaSourceId will be smaller than 10^12 or something like that. I know from the precision of diaSourceId … --- ## [Updating the data release/preview schedule in the RTN-011 with the latest estimated timelines](https://www.rubin.community/t/updating-the-data-release-preview-schedule-in-the-rtn-011-with-the-latest-estimated-timelines/9779)
**Author:** [@mschwamb](https://www.rubin.community/u/mschwamb)\ **Replies:** 5\ **Last updated:** [February 10, 2025, 6:53pm UTC](https://www.rubin.community/t/updating-the-data-release-preview-schedule-in-the-rtn-011-with-the-latest-estimated-timelines/9779 "2025-02-10T18:53:47Z")
Hi, Slides from AAS where shared on slack recently that had a revised timeline for the data previews (slide 36). In early March, UK STFC funding grants are due. Would it be possible to update RTN-011 so it has this new… --- ## [Evolution of the diaObject schema](https://www.rubin.community/t/evolution-of-the-diaobject-schema/9790)
**Author:** [@roy](https://www.rubin.community/u/roy)\ **Replies:** 4\ **Last updated:** [February 5, 2025, 9:38pm UTC](https://www.rubin.community/t/evolution-of-the-diaobject-schema/9790 "2025-02-05T21:38:58Z")
(1) I note that the four diaObject schemas each have about 52 attributes for diaObject. (2) However the APDB version of the diaObject schema has 190 attributes. For the Lasair broker, this represents a qualitative diff… --- ## [Information about the templates in the alert packet](https://www.rubin.community/t/information-about-the-templates-in-the-alert-packet/9592)
**Author:** [@JulienPeloton](https://www.rubin.community/u/JulienPeloton)\ **Replies:** 4\ **Last updated:** [January 8, 2025, 2:05pm UTC](https://www.rubin.community/t/information-about-the-templates-in-the-alert-packet/9592 "2025-01-08T14:05:32Z")
Hello, If I look at the latest alert schema I do not find any information regarding the templates used to construct the alert. For ZTF, there was for example a number of fields that turned out to be useful in many oc… --- ## [Flux Calibration for Extended Sources and Cut-outs](https://www.rubin.community/t/flux-calibration-for-extended-sources-and-cut-outs/9443)
**Author:** [@alipiccirillo](https://www.rubin.community/u/alipiccirillo)\ **Replies:** 1\ **Last updated:** [December 5, 2024, 5:31pm UTC](https://www.rubin.community/t/flux-calibration-for-extended-sources-and-cut-outs/9443 "2024-12-05T17:31:37Z")
Hello everyone, I have a few questions regarding flux calibrations performed by LSST, specifically: Does the current LSST flux calibration work well for extended sources? Is flux calibration already applied to cut-out… [Previous page](https://www.rubin.community/c/support/data/34.md?page=1) [Next page](https://www.rubin.community/c/support/data/34.md?page=3)