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an open source database of all discovered extrasolar planets

HD 147379

The planetary system HD 147379 hosts at least one planet. Note that the system is a multiple star system. It hosts at least 2 stellar components.

  System parameters
Primary system name HD 147379
Alternative system names Gliese 617, Gl 617, GJ 617
Right ascension 16 16 42.7462
Declination +67 14 19.832
Distance [parsec] 10.73±0.03edit
Distance [lightyears] 35.01±0.09
Number of stars in system 2
Number of planets in system 1

ArchitectureArchitecture of the system

This list shows all planetary and stellar components in the system. It gives a quick overview of the hierarchical architecture.

  •  Stellar binary
    •  HD 147379, stellar object
      •  HD 147379 b, planet, semi-major axis: 0.3193±0.0002 AU
      •  EW Draconis, stellar object

      PlanetsPlanets in the system

      This table lists all planets in the system HD 147379.

        HD 147379 b
      Alternative planet names N/A
      Description HD 147379 b is a Neptune-sized planet orbiting in the temperate zone of an early-M dwarf.edit
      Lists Confirmed planets; Planets in binary systems, S-type
      Mass [Mjup] 0.078+0.006−0.008edit
      Mass [Mearth] 24.7+1.8−2.4
      Radius [Rjup] N/A
      Radius [Rearth] N/A
      Orbital period [days] 86.54+0.07−0.06edit
      Semi-major axis [AU] 0.3193±0.0002edit
      Eccentricity 0.010+0.120−0.010edit
      Equilibrium temperature [K] N/A
      Discovery method RV
      Discovery year 2017
      Last updated [yy/mm/dd] 17/12/22

      starStars in the system

      This table lists all stars in the system HD 147379.

        HD 147379 EW Draconis
      Alternative star names Gliese 617 A, Gl 617 A, GJ 617 A, HIP 79755, TYC 4195-721-1, BD+67 935, 2MASS J16164280+6714196, SAO 17026, WDS J16167+6714 A EW Dra, Gliese 617 B, Gl 617 B, GJ 617 B, HIP 79762, TYC 4195-1167-1, 2MASS J16164537+6715224, WDS J16167+6714 B
      Mass [MSun] 0.58±0.08edit 0.40±0.07edit
      Radius [RSun] 0.57±0.06edit 0.39±0.05edit
      Age [Gyr] N/A N/A
      Metallicity [Fe/H] 0.16±0.16edit 0.10±0.08edit
      Temperature [K] 4090±50edit 3516±73edit
      Spectral type M0.0V M3.0Ve
      Visual magnitude 8.90±0.08edit 10.62±0.04edit

      Planet sizes

      The following plot shows the approximate sizes of the planets in this system The Solar System planets are shown as a comparison. Note that unless the radius has been determined through a transit observation, this is only an approximation (see Lissauer et al. 2011b).

      PlutoMercuryMarsVenusEarthNeptuneUranusSaturnJupiterHD 147379 b

      Habitable zone

      The following plot shows the approximate location of the planets in this system with respect to the habitable zone (green) and the size of the star (red). This is only an estimate, using the star's spectral type and mass. Note that if no green band is shown in the plot, then the planet's orbit is far outside the habitable zone. The equations of Selsis, Kasting et al are used to draw the inner and outer boundaries.

      Habitable zoneHD 147379 b

      referencesScientific references and contributors

      Links to scientific papers and other data sources

      No links found.

      This table lists all links which are relevant to this particular system. Note that this is just a summary. More references to the scientific publications and comments can be found in the commit messages. To see these, head over the github or click here to directly go to the git blame output of this system. In the left column of the output you can see the commit message corresponding to each parameter. It also lists the date of the last commit and the person making the changes. Within the commit message, you will find a link to the scientific publication where the data is taken from. Note that this is a new feature and not all system parameters might have a reference associated with it yet. Please help making this catalogue better and contribute data or references!

      Open Exoplanet Catalogue contributors

      Contributor E-mail Number of commits
      No contributors found.

      This table lists all people who have contributed to the Open Exoplanet Catalogue. Please consider contributing! Click here to find out how. You can also view all commits contributing to this file on github.

      xmlData download

      You can download the xml file corresponding to this planetary system, which is part of the Open Exoplanet Catalogue. All information on this page has been directly generated from this XML file. You can also download the entire catalogue over at github. If you prefer to download the dataset as an ASCII tables, you might find the oec_tables repository usefule.


      If you spot an error or if you can contribute additional data to this entry, please send an e-mail to Please include the corrected xml file and a reference to where the new data is coming from, ideally a scientific paper. If you are fluent with git and github, you can also create a pull request or open an issue on the Open Exoplanet Catalogue repository. Please include the reference to the relevant scientific paper in your commit message.