HD 154391

Display orbital revolution around the star HD 154391
Imaginary Picture of Star HD 154391
Star Name : HD 154391
Alternate Name :
Star Distance (LY/pc): 331.3745 (LY) 101.6000 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 8.4600 (Rsun, estimated)
Stellar Mass (Msun): 2.0000 (Msun/observed) 2.0000 (Msun/estimated)
Spectral type : K1 III
Metalicity : 0.0700
Absolute Magnitude : 1.11
Apparent Magnitude : 6.14
Right Ascension(RA) : 255.32083
Declination(DEC) : 60.64889
  • This is the HD 154391 . The star HD 154391 islocated about 331.4 light-years (101.6 pc) away from our Solar System.
  • The star HD 154391 has apparent magnitude of 6.1, with absolute magnitude of 1.1.
  • It is 2.0 times more massive and 8.5 times bigger compared with our Sun. The surface temperature is 4807 with its spectral types of K1 III
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet HD 154391 b radius 0.907830 mass 9.100000 orbital distance 7.460000
    (Illustration of the HD 154391's Planetary System)



    The Star HD 154391 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 4.235 AU ( 633543908.8 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 5.854 AU ( 875723246.8 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 8.920 AU ( 1334408431.0 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 13.126 AU ( 1963640462.8 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 154391)



    Kopparapu's Recent Venus for Star HD 154391 distance : 4.622 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star HD 154391 distance : 5.851 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star HD 154391 distance : 5.652 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star HD 154391 distance : 6.197 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star HD 154391 distance : 10.690 AU
    Kopparapu's Outer Boundary for Early Mars for Star HD 154391 distance : 11.276 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 154391)



  • Original Kopparapu Recent Venus for Star HD 154391 distance : 4.566 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 154391 distance : 6.034 AU
  • Original Kopparapu Moist Greenhouse for Star HD 154391 distance : 6.041 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 154391 distance : 10.868 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 154391 distance : 11.302 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 154391)



    (Position in Stellar Map of star HD 154391 )



    (Zoomed position in Stellar Map of star HD 154391 (zoom level 3))

    (Synthetic Spectrum of star HD 75784*)
    *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