There may be more than one available data product associated with an observation. This page will give a quick guide to searching for related "science-ready" (fully calibrated and processed) data products. For information about associated, uncalibrated, auxiliary data, see the Supplemental Products page.

On this page...

Navigation from the Portal

Clicking the "Search through other data products" action from the Visualize Spectra (Jda) dropdown (Figure 1) will bring you to a new page displaying all other level 3 spectroscopic data products associated with the selected Portal observation. An example of what this page will look like can be found in Figure 2.


Figure 1 — Example action to find data products associated with JWST observation jw00675-o019_t010_miri_ch1-short


Figure 2 — Data products related to  associated via observation jw00675-o019_t010_miri_ch1-short.  

Navigation By Direct URL

You can navigate to the above-mentioned page manually by going to https://mast.stsci.edu/viz/, where the result will appear as in Figure 3.


Figure 3 — Landing page for searching for related data products to a given MAST data URL. 

If you already know the MAST data URI of the product, you can alternatively navigate there directly using the syntax 

https://mast.stsci.edu/viz/ui/#/spectra?uri=[MAST_DATA_URI]

For example,

https://mast.stsci.edu/viz/ui/#/spectra?uri=mast:JWST/product/jw01039-o005_t001_miri_ch3-shortlongmedium- 

Displayed on the page is a Search bar where you can input a MAST data URI. For example, entering the URI mast:JWST/product/jw00212-c1003_t003_miri_ch4-long_s3d.fits will perform a search and return the results in Figure 2.

The Data Product Table

The table displayed in Figure 2 shows all data products associated with the observation for the URI or product you searched on. Each row contains some basic metadata information about the data product, such as Description, Filter, Grating, Calibration Level, etc. The information shown is a subset of the information displayed in the Portal Download Basket File Details.    The table also contains a View In column, containing a button icon indicating which Jdaviz helper configuration is used to load the data product in a given row.  See Icon Nomenclature for their meanings.  Figure 4 shows an example of a Specviz data product.   Clicking any of the icons displayed in the View In column will lead you to the Jdaviz quick look page. See Viewing Spectra and Images for more.



an example 1d spectral product, with file information

View in SpecViz pop-up giving you the option to open the file in the Jdaviz quicklook page

Figure 4 — Left: A row of a 1d spectral data product. Right: Highlight of the View In Jdaviz icon indicating the Specviz configuration of Jdaviz is to be used. Click the button to open the data product in the Jdaviz quicklook page in a new tab.  

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