TESS-SPOC calibrated light curves and target pixel files from TESS full frame images for Sector 80 are now available at MAST. This Sector adds 159,999 targets derived from 200 second cadence FFIs. archive.stsci.edu/hlsp/tess-spoc 🔭

HLSP Update: TICA = quick-look, calibrated TESS full frame images from Sector 98, Orbit 3, Part A is now available at MAST. archive.stsci.edu/hlsp/tica

HLSP Update: OPAL adds HST observations of Uranus Cycle 33 from October 2025, now available at MAST. Includes maps of the northern pole of Uranus. archive.stsci.edu/hlsp/opal

HLSP Update: TICA = quick-look, calibrated TESS full frame images from Sector 98, Orbit 2, Part B is now available at MAST. archive.stsci.edu/hlsp/tica

HLSP Update: QLP calibrated light curves from TESS full frame images for Sector 97 are now available at MAST. This Sector adds 387,831 targets derived from 200 second cadence FFIs. archive.stsci.edu/hlsp/qlp

HLSP Update: TICA = quick-look, calibrated TESS full frame images from Sector 98, Orbit 2, Part A is now available at MAST. archive.stsci.edu/hlsp/tica

HLSP Update: TICA = quick-look, calibrated TESS full frame images from Sector 98, Orbit 1, Part B is now available at MAST. This includes the missing Part A from the incomplete downlink previously. archive.stsci.edu/hlsp/tica

HLSP Update: TICA = quick-look, calibrated TESS full frame images from Sector 98, Orbit 1, Part A is now available at MAST. Note there was an incomplete downlink that will be fixed in the next contact. archive.stsci.edu/hlsp/tica

HLSP Update: TESS-SPOC calibrated light curves and target pixel files from TESS full frame images for Sector 79 are now available at MAST. This Sector adds 159,999 targets derived from 200 second cadence FFIs. 🔭 archive.stsci.edu/hlsp/tess-spoc

New HLSP: TESS-YSO provides custom light curves for young stellar objects in TESS Full Frame Images, preserving their variability patterns. In the first release, the HLSP team provides light curves for young intermediate mass stars, focusing on Herbig Ae/Be classes. archive.stsci.edu/hlsp/tess-yso 🔭

HLSP Update: TICA = quick-look, calibrated TESS full frame images from Sector 97, Orbit 4, Part B is now available at MAST. archive.stsci.edu/hlsp/tica

HLSP Update: TESS-SPOC calibrated light curves and target pixel files from TESS full frame images for Sector 78 are now available at MAST. This Sector adds 159,998 targets derived from 200 second cadence FFIs. archive.stsci.edu/hlsp/tess-spoc

New HLSP: M87-HST-UV contains the deepest ultraviolet image of M87 and reveals weak star formation in the past, likely following past outbursts from the central supermassive black hole! archive.stsci.edu/hlsp/m87-hst...

HLSP Update: OPAL adds HST observations of Saturn Cycle 32 from August 2025, now available at MAST. archive.stsci.edu/hlsp/opal

HLSP Update: TICA = quick-look, calibrated TESS full frame images from Sector 97, Orbit 4, Part A is now available at MAST. archive.stsci.edu/hlsp/tica

HLSP Update: REFERENCE-ATLASES, catalogs and spectral atlases used with the pysynphot package. For this update, new synphot files for ACS in anticipation of release ETC 34.1, new COS synphot files, background files for use in stsynphot, and a new supernova template. archive.stsci.edu/hlsp/referen...

HLSP Update: TICA = quick-look, calibrated TESS full frame images from Sector 97, Orbit 3, Parts A and Part B are now available at MAST. archive.stsci.edu/hlsp/tica

HLSP Update: BOSZ 2024 stellar models updated to fix two issues: all Hydrogen lines up to 32 microns are now present, and an error where OH+ used the OH partition function by mistake. BOSZ users are encouraged to re-download models they are using to get these fixes. archive.stsci.edu/hlsp/bosz

HLSP Update: TICA = quick-look, calibrated TESS full frame images from Sector 97, Orbit 2, Part B are now available at MAST. archive.stsci.edu/hlsp/tica

HLSP Update: TICA = quick-look, calibrated TESS full frame images from Sector 97, Orbit 2, Part A are now available at MAST. archive.stsci.edu/hlsp/tica

HLSP Update: QLP calibrated light curves from TESS full frame images for Sector 96 are now available at MAST. This Sector adds 419,834 targets derived from 200 second cadence FFIs. archive.stsci.edu/hlsp/qlp 🔭

Feature update: we've added album previews to our JWST Search interface! Also included with our update is a Light/Dark mode toggle. archive.stsci.edu/contents/new...

HLSP Update: QLP calibrated light curves from TESS full frame images for Sector 95 are now available at MAST. This Sector adds 497,114 targets derived from 200 second cadence FFIs. archive.stsci.edu/hlsp/qlp 🔭

HLSP Update: TICA = quick-look, calibrated TESS full frame images from Sector 97, Orbit 1, Part B are now available at MAST. archive.stsci.edu/hlsp/tica

New HLSP: LACOS = Layman-Alpha and Continuum Origins Survey! Data from HST of 42 low redshift compact, star forming galaxies. Reduced images of each filter, Lyman-alpha line and continuum maps, general properties catalog, and a preview RGB composite for each target. 🔭 archive.stsci.edu/hlsp/lacos

HLSP Update: TICA = quick-look, calibrated TESS full frame images from Sector 96, Orbit 2, Part B are now available at MAST. archive.stsci.edu/hlsp/tica

New HLSP: First results from the Rocky Worlds DDT program are now available at MAST! This release includes calibrated light curves, model fits, preliminary eclipse depth estimation, and auxiliary data for GJ 3929 b. archive.stsci.edu/hlsp/rocky-w... #HLSP #RockyWorlds #JWST #HST #Exoplanets #MAST 🔭

HLSP Update: OPAL adds HST observations of Neptune Cycle 32 from August 2025, now available at MAST. archive.stsci.edu/hlsp/opal

New HLSP: New optical high-resolution images and point source photometry for unusual, disturbed, and/or interacting galaxies from the Arp (1966) and Arp & Madore (1987) catalogs, from an HST SNAP program (PI @dalcantonjd.bsky.social), are now available at MAST. archive.stsci.edu/hlsp/hags 🔭

QLP calibrated light curves from TESS full frame images for Sector 94 are now available at MAST. This Sector adds 720,971 targets derived from 200 second cadence FFIs. 🔭 archive.stsci.edu/hlsp/qlp

HLSP Update: TICA = quick-look, calibrated TESS full frame images from Sector 96, Orbit 2, Part A are now available at MAST. archive.stsci.edu/hlsp/tica

New HLSP: LAURELIN is a collection of resolved stellar photometry catalogs for 36 nearby ultra-faint dwarf galaxies. archive.stsci.edu/hlsp/laurelin

Hello Universe presents a new demo notebook that uses convolutional neural networks to estimate stellar rotation periods from TESS light curves. Explore Machine Learning with MAST data sets with Hello Universe! archive.stsci.edu/hello-univer...

HLSP Update: TICA = quick-look, calibrated TESS full frame images from Sector 95, Orbit 2, Part B are now available at MAST. archive.stsci.edu/hlsp/tica

New HLSP: OWLS, a long-term spectroscopic stellar activity monitoring program with the ARC 3.5 m Telescope at Apache Point Observatory led by @brettmorr.is . OWLS produces time series Ca II H & K emission measurements to probe activity levels + search for activity cycles. archive.stsci.edu/hlsp/owls

HLSP Update: TICA = quick-look, calibrated TESS full frame images from Sector 95, Orbit 2, Part A are now available at MAST. archive.stsci.edu/hlsp/tica

HLSP Update: QLP calibrated light curves from TESS full frame images for Sector 93 are now available at MAST. This Sector adds 2,185,816 targets derived from 200 second cadence FFIs. archive.stsci.edu/hlsp/qlp

HLSP Update: TICA = quick-look, calibrated TESS full frame images from Sector 95, Orbit 1, Part B are now available at MAST. archive.stsci.edu/hlsp/tica

HLSP Update: TICA = quick-look, calibrated TESS full frame images from Sector 95, Orbit 1, Part A are now available at MAST. archive.stsci.edu/hlsp/tica

HLSP Update: TESS-SPOC calibrated light curves and target pixel files from TESS full frame images for Sector 77 are now available at MAST. This Sector adds 160,000 targets derived from 200 second cadence FFIs. archive.stsci.edu/hlsp/tess-spoc

HLSP Update: OPAL adds HST observations of Neptune Cycle 31 from June 2025, now available at MAST. archive.stsci.edu/hlsp/opal

HLSP Update: TICA = quick-look, calibrated TESS full frame images from Sector 94, Orbit 2, Part B are now available at MAST. archive.stsci.edu/hlsp/tica

HLSP Update: TICA = quick-look, calibrated TESS full frame images from Sector 94, Orbit 2, Part A are now available at MAST. archive.stsci.edu/hlsp/tica

HLSP Update: TESS-SPOC calibrated light curves and target pixel files from TESS full frame images for Sector 76 are now available at MAST. This Sector adds 160,000 targets derived from 200 second cadence FFIs. archive.stsci.edu/hlsp/tess-spoc 🔭

HLSP Update: TICA = quick-look, calibrated TESS full frame images from Sector 94, Orbit 1, Part B are now available at MAST. archive.stsci.edu/hlsp/tica

HLSP Update: TICA = quick-look, calibrated TESS full frame images from Sector 94, Orbit 1, Part A are now available at MAST. archive.stsci.edu/hlsp/tica

HLSP Update: QLP calibrated light curves from TESS full frame images for Sector 92 are now available at MAST. This Sector adds 2,024,626 targets derived from 200 second cadence FFIs. archive.stsci.edu/hlsp/qlp

HLSP Update: TESS-SPOC calibrated light curves and target pixel files from TESS full frame images for Sector 75 are now available at MAST. This Sector adds 159,999 targets derived from 200 second cadence FFIs. archive.stsci.edu/hlsp/tess-spoc

HLSP Update: Mega-MUSCLES' SEDs for a dozen of stars are now updated with DEM models for the Extreme Ultraviolet and provide model uncertainties. More details in Wilson et al. 2025:https://arxiv.org/abs/2411.07394 or ask @astrodave2.bsky.social. HLSP page: archive.stsci.edu/hlsp/muscles 🔭

HLSP Update: SMARTS DR2 provides 1 million simulated stellar light curves designed to mimic the Kepler Bonus Background data. Includes rotational variability from star spots, stellar activity cycles, and latitudinal differential rotation for the 4-year Kepler baseline. archive.stsci.edu/hlsp/smarts