HD 85512 b

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Artist's impression of HD 85512 b

HD 85512 b (also Gliese 370 b ) is an extrasolar planet , the HD 85512 , a K-type star , orbits. The planet is approximately 36 light years from Earth and is in the constellation Vela .

The planet is on the inner edge of the habitable zone , far enough away from its central star that water still occurs in liquid form. Due to its mass of 3.6 Earth masses, it is one of the super-earths .

properties

HD 85512 b needs 54 days to orbit HD 85512 once. The temperature in the upper atmosphere is estimated at 298 K (25 ° C).

Orbital of HD 85512 b and the habitual zone of HD 85512

discovery

HD 85512 b was discovered by scientists from the University of Geneva , led by Swiss astronomer Stéphane Udry of the GTO program of HARPS (High Accuracy Radial Velocity Planet Searcher) on August 17th, 2011.

Web links

Commons : HD 85512b  - Collection of images, videos and audio files

Individual evidence

  1. ↑ arxiv.org: A Habitable Planet around HD 85512? by L. Kaltenegger, S. Udry and F. Pepe on August 17, 2011
  2. ↑ F. Pepe, et al. : The HARPS search for Earth-like planets in the habitable zone: I - Very low-mass planets around HD20794, HD85512 and HD192310 . In: Astronomy & Astrophysics . 2011. arxiv : 1108.3447 . bibcode : 2011yCat..35349058P . doi : 10.1051 / 0004-6361 / 201117055 .
  3. ↑ centauri-dreams.org: HARPS: Hunting for Nearby Earth-like Planets by Paul Gilster from August 23, 2011
  4. ↑ Spiegel Online Newly discovered planet hovers in the green zone from August 27, 2011