eps CrB

Display orbital revolution around the star eps CrB
Imaginary Picture of Star eps CrB
Star Name : eps CrB
Alternate Name :
Star Distance (LY/pc): 221.4229 (LY) 67.8887 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 21.0000 (Rsun, estimated)
Stellar Mass (Msun): 1.7000 (Msun/observed) 1.7000 (Msun/estimated)
Spectral type : K2III
Metalicity : -0.0940
Absolute Magnitude : -0.02
Apparent Magnitude : 4.14
Right Ascension(RA) : 239.39688
Declination(DEC) : 26.87780
  • This is the eps CrB . The star eps CrB islocated about 221.4 light-years (67.9 pc) away from our Solar System.
  • The star eps CrB has apparent magnitude of 4.1, with absolute magnitude of -0.0.
  • It is 1.7 times more massive and 21.0 times bigger compared with our Sun. The surface temperature is 4406 with its spectral types of K2III
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet eps CrB b radius 1.049868 mass 6.700000 orbital distance 1.300000
    (Illustration of the eps CrB's Planetary System)



    The Star eps CrB 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 8.832 AU ( 1321193391.8 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 12.208 AU ( 1826234536.6 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 18.602 AU ( 2782777289.0 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 27.373 AU ( 4094978686.4 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star eps CrB)



    Kopparapu's Recent Venus for Star eps CrB distance : 9.786 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star eps CrB distance : 12.387 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star eps CrB distance : 11.964 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star eps CrB distance : 13.113 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star eps CrB distance : 23.046 AU
    Kopparapu's Outer Boundary for Early Mars for Star eps CrB distance : 24.311 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star eps CrB)



  • Original Kopparapu Recent Venus for Star eps CrB distance : 9.655 AU
  • Original Kopparapu Runaway Greenhouse for Star eps CrB distance : 12.792 AU
  • Original Kopparapu Moist Greenhouse for Star eps CrB distance : 12.775 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star eps CrB distance : 23.420 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star eps CrB distance : 24.356 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star eps CrB)



    (Position in Stellar Map of star eps CrB )



    (Zoomed position in Stellar Map of star eps CrB (zoom level 3))

    (Synthetic Spectrum of star K2-356*)
    *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