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Copy file name to clipboardExpand all lines: tutorials/euclid_access/1_Euclid_intro_MER_images.md
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- Use matplotlib to plot a grid of cutouts.
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- Identify sources in the cutouts and make basic measurements.
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## Introduction
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### NOTE to testers -- please log in to IPAC vpn to access the IRSAdev data. After the Q1 data release, we will not need to use the IPAC VPN or the irsadev site.
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## Data volume
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Each MER image is approximately 1.47 GB. On Caltech wifi this takes between 1-5 mins to download.
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Each MER image is approximately 1.47 GB. Downloading can take some time.
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## Combine all cutouts into a single HDUList and display information
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final_hdulist = fits.HDUList(cutout_list)
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final_hdulist.info()
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```
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## 3. Visualize multiwavelength Euclid Q1 MER cutouts
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Need to determine the number of images for the grid layout, then we iterate through the images and plot each one.
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Need to determine the number of images for the grid layout, then we iterate through the images and plot each one.
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```{code-cell} ipython3
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num_images = len(final_hdulist)
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ax.add_artist(e)
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```
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```{code-cell} ipython3
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```
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```{code-cell} ipython3
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```
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## Exercise
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### Optional -- Access the data from the ESA archive website directly
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## Additional Resources
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If you have any issues accessing data from the archives, please contact the helpdesk directly: IRSA (irsasupport@ipac.caltech.edu) and ESA (https://support.cosmos.esa.int/euclid).
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## About this Notebook
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**Author(s)**: Tiffany Meshkat <br>
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**Keyword(s)**: Euclid, Q1, MER mosaics <br>
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**First published**: March 19, 2025 <br>
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**Last updated**: March 19, 2025
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```{code-cell} ipython3
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**Author**: Tiffany Meshkat (IPAC Scientist)
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```
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**Updated**: March 19, 2025
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```{code-cell} ipython3
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```
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```{code-cell} ipython3
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```
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**Contact:**[the IRSA Helpdesk](https://irsa.ipac.caltech.edu/docs/help_desk.html) with questions or reporting problems.
Copy file name to clipboardExpand all lines: tutorials/euclid_access/2_Euclid_intro_MER_catalog.md
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### NOTE to testers -- please log in to IPAC vpn to access the IRSAdev data. After the Q1 data release, we will not need to use the IPAC VPN or the irsadev site.
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## Imports
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```{code-cell} ipython3
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### Choose the Euclid MER table
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```{code-cell} ipython3
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table_mer= 'euclid_q1_mer_catalogue'
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```
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```{code-cell} ipython3
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table_mer = 'euclid_q1_mer_catalogue'
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```
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### Learn some information about the table:
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```{code-cell} ipython3
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for col in columns:
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print(f'{f"{col.name}":30s} {col.unit} {col.description}') ## Currently no descriptions
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____________________________
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```
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```{code-cell} ipython3
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```
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```{code-cell} ipython3
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```
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## Additional Resources
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If you have any issues accessing data from the archives, please contact the helpdesk directly: IRSA (irsasupport@ipac.caltech.edu) and ESA (https://support.cosmos.esa.int/euclid).
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## About this Notebook
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**Author(s)**: Tiffany Meshkat <br>
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**Keyword(s)**: Euclid, Q1, MER catalog <br>
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**First published**: March 19, 2025 <br>
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**Last updated**: March 19, 2025
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**Author**: Tiffany Meshkat (IPAC Scientist)
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```{code-cell} ipython3
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**Updated**: March 19, 2025
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```
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**Contact:**[the IRSA Helpdesk](https://irsa.ipac.caltech.edu/docs/help_desk.html) with questions or reporting problems.
Copy file name to clipboardExpand all lines: tutorials/euclid_access/3_Euclid_intro_1D_spectra.md
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### NOTE to testers -- please log in to IPAC vpn to access the IRSAdev data. After the Q1 data release, we will not need to use the IPAC VPN or the irsadev site.
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## Imports
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```{code-cell} ipython3
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```{code-cell} ipython3
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service = vo.dal.TAPService("https://irsadev.ipac.caltech.edu/TAP")
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tables = service.tables
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for tablename in tables.keys():
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if "tap_schema" not in tablename and "euclid" in tablename:
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# hdul = fits.open(BytesIO(response.content)) # Open FITS file from memory
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# hdul.info() # Show file info
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```
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### Open the large FITS file without loading it entirely into memory, pulling out just the extension we want for the 1D spectra of our object
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WHERE phz_class.phz_classification = 2
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```
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- This shows the first 10 sources with spectra in the list.
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- Click the link/chain
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- Make sure "source_id" is selected under "IDs columns"
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- Click "show data" then click the download button next to "Spectra -- source_id"
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NOTE: You need to unzip the file to get a fits file with the combined spectra. On a mac you can do this by just double clicking the file to unzip.
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```{code-cell} ipython3
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```
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## Additional Resources
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If you have any issues accessing data from the archives, please contact the helpdesk directly: IRSA (irsasupport@ipac.caltech.edu) and ESA (https://support.cosmos.esa.int/euclid).
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## About this Notebook
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**Author(s)**: Tiffany Meshkat <br>
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**Keyword(s)**: Euclid, Q1, 1D spectra <br>
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**First published**: March 19, 2025 <br>
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**Last updated**: March 19, 2025
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**Author**: Tiffany Meshkat (IPAC Scientist)
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```{code-cell} ipython3
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**Updated**: March 19, 2025
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```
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**Contact:**[the IRSA Helpdesk](https://irsa.ipac.caltech.edu/docs/help_desk.html) with questions or reporting problems.
Copy file name to clipboardExpand all lines: tutorials/euclid_access/5_Euclid_intro_SPE_catalog.md
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Every one dimensional spectrum is processed through a template and line fitting pipeline, producing several different 'SPE' catalogs. This notebook provides an introduction to the SPE catalogs released as part of Euclid Q1. Other Euclid notebooks show how to use other data products released as part of Euclid Q1.
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## Imports
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## 1. Find the MER Tile ID that corresponds to a given RA and Dec
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In this case, choose the coordinates from the first notebook to save time downloading the MER mosaic. Search a radius of 1.5 arcminutes around these coordinates.
print('The MER tile ID for this object is :',tileID)
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```
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```{code-cell} ipython3
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```
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## 2. Read in the MER image from IRSA directly
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```{code-cell} ipython3
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plt.title(obj_id)
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```
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## Additional Resources
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If you have any issues accessing data from the archives, please contact the helpdesk directly: IRSA (irsasupport@ipac.caltech.edu) and ESA (https://support.cosmos.esa.int/euclid).
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## About this Notebook
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**Author**: Tiffany Meshkat (IPAC Scientist)
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## About this Notebook
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**Updated**: March 19, 2025
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**Author(s)**: Tiffany Meshkat <br>
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**Keyword(s)**: Euclid, Q1, spe catalog <br>
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**First published**: March 19, 2025 <br>
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**Last updated**: March 19, 2025
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**Contact:**[the IRSA Helpdesk](https://irsa.ipac.caltech.edu/docs/help_desk.html) with questions or reporting problems.
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