Imaginary Picture of HD 147379 b

Display orbital revolution of HD 147379 b around the hoststar HD 147379
/
Exoplanet Name : HD 147379 b
Alternate Name : "Gl617A b, GJ 617A b"
Status : Confirmed
Radius (Rjup / Re): 0.2420 (Rjup) 2.7127 (Rearth)
Mass (Mjup / Me): 0.0777 (Mjup) 24.7038 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.3193 (AU) 0.3193 (AU Est.)
Eccentricity : 0.0100
Orbital Period(Yrs) 0.2369
Orbital Period(Observed/Estimated) 86.54 (Days Obs.) 86.53 (Days Est.)
Surface Gravity (G Earth) 3.3570
Star Radiation at Atmospheric Boundary: 1093.6 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 256.7 (K)
Blackbody T 0.3(K) 241.0 (K)
Blackbody T 0.7(K) 195.0 (K)
Tidally Locked Blackbody T 0.1(K) 305.2 (K)
Tidally Locked Blackbody T 0.3(K) 286.6 (K)
Size Class: sub-Neptune-size
Mass Class:
Detection Type : Radial Velocity
Mass Detection : Radial Velocity
Radius Detection :
Habitability by Solar Eq. Astronomical Unit: Habitable
Habitability by Kopparapu: Not habitable
Star Name : HD 147379
Alternate Name : "Gl617A, GJ 617A"
Star Distance(LY) : 35.0
Stellar Radius(Rsun) : 0.6 (Rsun Measured)
Stellar Mass(Msun) : 0.6 (Msun Measured) 0.6 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 4090 (K)
Spectral type : M1V
UV portion[%]: 0.7
Visible portion[%]: 25.2
IR portion[%]: 74.1
Metalicity : 0.2
Absolute Magnitude: 8.7
Apparent Magnitude: 8.9
Right Ascension(RA) 244.1781
Declination (DEC) 67.2389
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors
Discovery Paper - Title
Discovery Paper - Journal
Discovery Paper - URL
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=HD+147379+&submit=SIMBAD+search
Open Exoplanet Database Link
HD 147379 b
HD 147379 b

  • HD 147379 b is an exoplanet orbiting the star HD 147379, located about 35.0 light-years (10.7 pc) away from Solar System. Its discovery was publicly announced on 2018.
  • The host star HD 147379 has apparent magnitude of 8.9, with absolute magnitude of 8.7.
  • It is 0.6 times more massive and 0.6 times bigger compared with our Sun. The surface temperature is 4090 with its spectral types of M1V
  • In this planetary system, the extrasolar planet HD 147379 b orbits around the star HD 147379 every 86.5 days with its orbital distance of 0.32 AU ( 47766600.1 km)
  • (Projected orbit of HD 147379 b around its host star HD 147379)


  • The Star HD 147379 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.207 AU ( 30901501.6 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.286 AU ( 42713950.8 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.435 AU ( 65086608.4 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.640 AU ( 95777795.6 km)
  • Radiation at Planetary Boundary of HD 147379 b : 1093.58 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 147379)



  • Kopparapu Recent Venus for Star HD 147379 distance : 0.231 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star HD 147379 distance : 0.292 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HD 147379 distance : 0.282 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star HD 147379 distance : 0.310 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 147379 distance : 0.552 AU
  • Kopparapu Outer Boundary for Early Mars for Star HD 147379 distance : 0.583 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 147379)



  • Original Kopparapu Recent Venus for Star HD 147379 distance : 0.228 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 147379 distance : 0.302 AU
  • Original Kopparapu Moist Greenhouse for Star HD 147379 distance : 0.302 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 147379 distance : 0.561 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 147379 distance : 0.584 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 147379)



    (Position in Stellar Map of star HD 147379 and its Exoplanet HD 147379 b)



    (Zoomed position in Stellar Map of star HD 147379 and its Exoplanet HD 147379 b (zoom level 3))

    (Synthetic Spectrum of star HD 147379*)
    *Yamashiki YA et al. 2019 ApJ 881 114
    MUSCLES Paper I - France et al. 2016 ApJ 820 89
    MUSCLES Paper II- Youngblood et al. 2016 ApJ 824 101
    MUSCLES Paper III- Loyd et al. 2016 ApJ 824 102