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Last Update: January 21, 2019 The catalog has now summary plots for each of the 42 stellar systems with potentially habitable worlds - click the picture below -
Current Number of Potentially Habitable Exoplanets
subterran = 0.1 — 0.5 ME or 0.4 — 0.8 RE, terran = 0.5 — 5 ME or 0.8 — 1.5 RE, superterran = 5 — 10 ME or 1.5 — 2.5 RE. ME = Earth masses, and RE = Earth radii.
Conservative Sample of Potentially Habitable ExoplanetsThis is a list of the exoplanets that are more likely to have a rocky composition and maintain surface liquid water (i.e. 0.5 < Planet Radius ≤ 1.5 Earth radii or 0.1 < Planet Minimum Mass ≤ 5 Earth masses, and the planet is orbiting within the conservative habitable zone). They are represented artistically in the top image.
Tables Legend
![]() The figure above shows all planets near the habitable zone (darker green shade is the conservative habitable zone and the lighter green shade is the optimistic habitable zone). Only those planets less than 10 Earth masses or 2.5 Earth radii are labeled. The different limits of the habitable zone are described in Kopparapu et al. (2014). Size of the circles corresponds to the radius of the planets (estimated from a mass-radius relationship when not available). Larger version here. Credit: PHL @ UPR Arecibo. ![]() Location in the night sky of all the known stellar systems with potentially habitable worlds (some systems have more than one planet). Click the image to enlarge. Larger version here. Credit: PHL @ UPR Arecibo, Jim Cornmell.
The Periodic Table of Exoplanets shows all known exoplanets, including a few still unconfirmed, classified into eighteen thermal-mass categories. The number of exoplanets in each category is shown in the center of each frame and as a percent in the lower left. The figure also shows the number of multiple stellar systems (top right). Credit: PHL @ UPR Arecibo
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