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MAST Staff - 2025 Apr 29

New HLSPs

HISP: The Hubble Image Similarity Project is a large collection of similarity information between sub-regions of Hubble Space Telescope images, as described in White & Peek 2025.

used citizen scientists to compare sub-regions of HST images. The data can test the accuracy of image search algorithms. Download images, citizen scientist reviews, and the distance matrix on the HISP homepage.

Updated

TICA:

Sector 91, Orbit 1B

Sector 90, complete

QLP calibrated light curves from TESS full frame images for Sector 89 are now available at MAST. This Sector adds 1090881 targets derived from 200 second cadence FFIs.

example HISP cutout selections for NGC1073
HISP example cutout selections within the elliptical region defined for NGC 1073. The left panel shows the NGC catalog ellipse (cyan), the footprint for the HLA observation (red), and the regions for the selected cutout images (green). The background image is from the Pan-STARRS1 gri filters.  The right panel shows the HST cutout images. The removal of cutouts having low entropy leaves only images in regions with relatively high contrast. For this object the images trace the galaxy's spiral arms.

 

 

If you are thinking about contributing a High-Level Science Product of your own, please fill out the HLSP Interest Form to get started.  HLSPs archived on MAST enjoy permanent hosting space, additional visibility, and, often, increased citation rates.  Any further questions on the process can be sent to the Archive Help Desk.

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