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Tutorial Sections


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Beginner: Ways To Query the TESS Input Catalog (TIC) and Candidate Target List (CTL)




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Beginner - Search the TIC centered on HD 209458.

Walkthroughs: Browser-Based | Using API


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Search the TIC centered on HD 209458 to find all dwarfs in the catalogs.


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Tools Used:

  • Portal: Catalog Cone Search
  • MAST Name Resolver
  • Portal: Post-search Filtering
  • Portal: Export Search Results Grid



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Beginner - Find high proper motion M dwarfs in the southern hemisphere from the TIC.

Walkthroughs: Browser-Based | Using API


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Search for high proper motion M dwarfs in the southern hemisphere from the TIC.


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Tools Used:

  • Portal: Advanced Search




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Beginner - Find southern hemisphere K dwarfs.

Walkthroughs Browser-Based


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Find all southern hemisphere K dwarf stars based on TIC temperature.


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Tools Used:

  • CasJobs SQL Query Interface





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Beginner - Search the exoCTL centered on K2 Campaign 2.

Walkthroughs: Browser-Based


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Search the exoCTL centered on the K2 Campaign 2 field.


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Tools Used:

  • Portal: Catalog Cone Search
  • Portal: Export Search Results Grid




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Beginner - Export a Portal table in the Goddard Mission Office format.

Walkthroughs: Browser-Based


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Select a subset of output columns to export from a Portal search results table.


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Tools Used:

  • Portal: Edit Columns
  • Portal: Export Search Results Grid










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Beginner: Reading and Using TESS Data Products




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Beginner: Read And Display A Calibrated Full Frame Image (FFI)

Walkthroughs: Using API


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Description here.



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Tools Used:

  • Tool 1
  • Tool 2
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Beginner: Read and Plot A Light Curve File

Walkthroughs: Using API


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Description here.

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Tools Used:

  • Tool 1
    • Tool 2

    Load and plot the contents of a TESS light curve file. Plot the flux timeseries contained with the file, and display the pixels used in the photometric aperture.



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    Beginner: Tour Light Curve and Target Pixel File Contents

    Walkthroughs: Using API


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    Walk through the basic contents of the TESS 2-minute cadence, time-series files (light curve files and target pixel files.)

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    Tools Used:

  • Astropy.io.fits
  • Astropy.WCS
    • Matplotlib.pyplot




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    Beginner: Read And Display A Target Pixel (TP) File and Aperture

    Walkthroughs: Using API


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    Description hereLoad and plot the contents of a TESS target pixel file. Display the flux values of the collected pixels from a single cadence. Identify the pixels used in the photometric aperture.



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    Tools Used:

    • Tool 1
    • Tool 2
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    Beginner: Read and Plot A Data Validation Time Series File

    Walkthroughs: Using API


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    Description here.

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    Tools Used:

  • Tool 1
    • Tool 2

    Load and plot the contents of a TESS data validation timeseries file. Plot the detrended flux timeseries contained within the file.




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    Beginner: Using MAST TESS Search Interfaces




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    Intermediate - Portal.

    Walkthroughs: Browser-Based | Using API


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    A review of Portal functionality: pre-search filtering ("advanced search"), spatial cross-matching, plotting, Virtual Observatory searches based on TIC ID.


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    Tools Used:

    • Portal: Advanced Search
    • Portal: Cross-Match
    • Portal: Virtual Observatory Search



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    Intermediate - TESSCut.

    Walkthroughs: Browser-Based | Using API


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    An introduction to using TESSCut to make target pixel files from full frame images without downloading the original full frame images.


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    Tools Used:

    • TESS Sector query
    • TESSCut




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    Intermediate - TAP Service.

    Walkthroughs: Browser-Based | Using API


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    A review of TAP services for TESS.


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    Tools Used:

    • TAP



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    Intermediate - exo.mast.

    Walkthroughs: Browser-Based | Using API


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    An introduction to exploring known planets and planet candidates (including TESS Objects of Interest, TOIs) using the exo.mast portal.


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    Tools Used:

    • exo.mast




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    Intermediate: Science-Case-Driven Searches of TESS Data Products




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    Intermediate - Cone Search Centered On 47 Tuc.

    Walkthroughs: Browser-Based | Using API


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    Get TESS light curves for all 2-minute cadence targets within a specified radius centered on the globular cluster 47 Tuc.


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    Tools Used:

    • Portal: Cone Search
    • MAST Name Resolver
    • Portal: Specify A Search Radius
    • Portal: Add Data To Basket
    • Portal: Filter Inside Basket For Specific Data Products



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    Intermediate - Look For Transients In FFI's In Nearby Galaxies.

    Walkthroughs: Browser-Based | Using API


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    Use FFI cutout tool to extract areas centered on nearby galaxies to search for extragalactic transients north of -30 degrees. The declination limit is chosen so that higher resolution PanSTARRS data are also available for post-detection analysis.


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    Tools Used:

    • TESSCut



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    Intermediate - Make A Download Script From A GI Proposal.

    Walkthroughs Browser-Based | Using API


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    Given a list of TIC or TOI IDs from a GI proposal, use a pre-bundled script to download all the target pixel files for those targets.


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    Tools Used:

    • Tool 1




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    Intermediate - Get All Bright TESS Targets Inside the JWST Southern CVZ.

    Walkthroughs Browser-Based | Using API


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    Do a pre-search filter to get all TESS 2-minute cadence targets that lie within the JWST Southern Continuous Viewing Zone that are brighter than a specified H magnitude and load those results inside the Portal.


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    Tools Used:

    • CasJobs SQL Query Interface





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    Intermediate - Download UV and TESS Data For A List Of White Dwarfs.

    Walkthroughs: Browser-Based | Using API


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    Upload a target list of white dwarfs, cross-match with the TIC in Portal, then do a spatial cross-match of the resulting table with MAST footprints, filter on UV mission data, add UV data AND TESS products to basket, and download all files with a wget/cURL output option.


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    Tools Used:

    • Portal: Target Upload
    • Portal: Spatial Cross-Match With the TIC
    • Portal: Spatial Cross-Match With MAST Observation Footprints
    • Portal: Post-Search Filter
    • Portal: Add Data To Basket
    • Portal: Basket Download Options



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    Intermediate - Get All 2-Min. TESS Targets With Long-Period Kepler Transits.

    Walkthroughs: Browser-Based | Using API


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    Use MAST CasJobs to get the TESS target IDs that have 2-minute cadence data and a Kepler Threshold Crossing Event (TCE) with an orbital period greater than some specified value.


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    Tools Used:

    • CasJobs SQL Query Interface



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    Intermediate - Download Bulk Bundles of TESS Data Products.

    Walkthroughs Browser-Based | Using API


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    Use Digital Object Identifiers (DOIs) at MAST to download pre-bundled collections of Full Frame Images from one camera from one sector and all extracted, 2-minute light curves in the JWST Southern Continuous Viewing Zone.


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    Tools Used:

    • Tool 1