51 Eri

Display orbital revolution around the star 51 Eri
Imaginary Picture of Star 51 Eri
Star Name : 51 Eri
Alternate Name :
Star Distance (LY/pc): 95.8899 (LY) 29.4000 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 1.4294 (Rsun, estimated)
Stellar Mass (Msun): 1.7500 (Msun/observed) 1.7500 (Msun/estimated)
Spectral type : F0IV
Metalicity : -0.0270
Absolute Magnitude : 2.88
Apparent Magnitude : 5.22
Right Ascension(RA) : 69.40055
Declination(DEC) : -2.47355
  • This is the 51 Eri . The star 51 Eri islocated about 95.9 light-years (29.4 pc) away from our Solar System.
  • The star 51 Eri has apparent magnitude of 5.2, with absolute magnitude of 2.9.
  • It is 1.8 times more massive and 1.4 times bigger compared with our Sun. The surface temperature is 7350 with its spectral types of F0IV
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet 51 Eri b radius 1.110000 mass 2.600000 orbital distance 11.100000
    (Illustration of the 51 Eri's Planetary System)



    The Star 51 Eri 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.673 AU ( 250251286.0 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 2.312 AU ( 345912675.8 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 3.523 AU ( 527094367.6 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 5.185 AU ( 775642452.4 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star 51 Eri)



    Kopparapu's Recent Venus for Star 51 Eri distance : 1.555 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star 51 Eri distance : 1.970 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star 51 Eri distance : 1.902 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star 51 Eri distance : 2.079 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star 51 Eri distance : 3.400 AU
    Kopparapu's Outer Boundary for Early Mars for Star 51 Eri distance : 3.585 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star 51 Eri)



  • Original Kopparapu Recent Venus for Star 51 Eri distance : 1.609 AU
  • Original Kopparapu Runaway Greenhouse for Star 51 Eri distance : 2.015 AU
  • Original Kopparapu Moist Greenhouse for Star 51 Eri distance : 2.128 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star 51 Eri distance : 3.462 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star 51 Eri distance : 3.600 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star 51 Eri)



    (Position in Stellar Map of star 51 Eri )



    (Zoomed position in Stellar Map of star 51 Eri (zoom level 3))

    (Synthetic Spectrum of star Kepler-1653*)
    *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