DEATHSTAR Archives

Images of the TESS planet candidate TOI 4148.01 that show the difference in spatial resolution between seeing-limited ground-based observations and TESS data. We show a ground-based image from Pan-STARRS in the left panel and an image of the same field in TESS in the right panel. The cross marker shows the location of original target from TESS in both images and the circle shows the location of the actual signal of this TOI. While both of these stars are clearly visible and easily distinguished in the ground data from Pan-STARRS, the majority of the same field is completely blended in TESS. This blending results in many false positives for TESS. -- astro-ph.EP

Astronomy & Telescopes, Exoplanets, -moons, -comets, Imaging & Spectroscopy, Status Report

DEATHSTAR: A System For Confirming Planets And Identifying False Positive Signals In TESS Data Using Ground-based Time Domain Surveys

by Keith CowingDecember 13, 2023December 13, 2023

We present a technique for verifying or refuting exoplanet candidates from the Transiting Exoplanet Survey Satellite (TESS) mission by searching for nearby eclipsing binary stars using higher-resolution archival images from […]

DEATHSTAR

DEATHSTAR: A System For Confirming Planets And Identifying False Positive Signals In TESS Data Using Ground-based Time Domain Surveys

Relevance of the Avalon Assemblage as an Astrobiological Analog for Icy Ocean Worlds

The Climate and Potential Habitability of a Warm and Oxygenated Mars

Variable X-ray flux May Explain Variable Helium Escape From The Habitable-zone Exoplanet LHS 1140b

Spacetime Contactability in Galactic Civilization Networks: Contact Counts and Percolation

Surprisingly Enriched CO and CH4 in Halley-type Comet 13P/Olbers: Clues to Its Interstellar Heritage