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jra-t4-EPN1-CRISM-Tutorial.md

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jra-t4-EPN1-CRISM

CRISM data has been published at this site. This service is registered with IVOA Registry of Registries, and can be found in TOPCAT.

Authors
Change Log
Preview CRISM in TOPCAT
Displaying CRISM footprint in Aladin
Accessing subgranule data and importing to CASSIS
References

Authors

Mikhail Minin et al.

Change Log

First converted into Markdown file by [Keyuan Yin](https://github.com/megadiesel705) from VESPA Tutorial site.

Preview CRISM in TOPCAT

Open TOPCAT (http://www.star.bris.ac.uk/~mbt/topcat/#install). Choose VO => TAP Query

VO_TAP

Search for "epn1". Double click.

epn1_1

epn1_2

Select "planetserver_crism.epn_core". Click on "Examples", select "Basic" => "Full table".

crism.epn_core_1

crism.epn_cor_2

Click "Run Query".

Activation Action

Select "Activation Actions" from the main window "Views" menu item.

Select "Display image". Choose "thumbnail_url" for "Image Location". And "Basic" for "Image Viewer". Close the window.

Set Activation Action

Click on the "Table Browser" button.

Tab Browser View

You can now view the table.

Table

Clicking on a row should open image preview.

row image

Displaying CRISM footprint in Aladin

Open Aladin web [to start](http://aladin.u-strasbg.fr/java/nph-aladin.pl) On the main menu click "File" => "Open URL"

Open URL

Add HiPS :
http://epn1.epn-vespa.jacobs-university.de/marsmola/Mars-ELATLON-ICRS.hpx
Click submit.

Add HiPS

Open epn1 TAP Handle in your browser.
Open table, add query to search for granule of interest:
SELECT *
FROM planetserver_crism.epn_core
WHERE granule_uid='HRS00003082_07_IF177S_TRR3'

enp1 TAP Handle

Click "SUBMIT".

TAP Handle Details

Scroll over to "s_region"

s_region

Click "Broadcast to SAMP" and authorize the connection to Hub.

Click "Broadcast to SAMP" again, and you should see a "drawing" appear in Aladin.

Aladin Drawing 1

Aladin Drawing 2

Aladin Drawing 3

Accessing subgranule data and importing to CASSIS

Open epn1 TAP Handle in your browser.
Click "Data Preview" button in "subgranule_url" field

subgranule_url_1

subgranule_url_2

Click anywhere on the image

Further Check

To view in CASSIS select and copy the text on the bottom of the page, save with text editor as .fus.

Text Exporting

Open with CASSIS

CASSIS Open

UPDATE: An option to save spectra as .fus, or to send it directly to CASSIS via SAMP has been added.

Spectra fus

To send via SAMP, first start CASSIS. With CASSIS HUB running the button "Broadcast to SAMP!" should be visible.
After selecting the spectra, click on the button, the spectra should appear in CASSIS.
It is possible to send multiple spectra, from the same or different coverages.
This way spectra from sensor L and S can be joined. The value of Xbot should be set to Wavelength nm:

Xbot Value

Xbot Value

Xbot Value

References

Please refer this tutorial to original tutorial created by Mikhail Minin on VESPA wiki.