chi Vir

Display orbital revolution around the star chi Vir
Imaginary Picture of Star chi Vir
Star Name : chi Vir
Alternate Name : HD 110014
Star Distance (LY/pc): 293.5404 (LY) 90.0000 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 20.9000 (Rsun, estimated)
Stellar Mass (Msun): 2.1700 (Msun/observed) 2.1700 (Msun/estimated)
Spectral type : K2III
Metalicity : 0.1900
Absolute Magnitude : -0.11
Apparent Magnitude : 4.66
Right Ascension(RA) : 189.80833
Declination(DEC) : -7.99556
  • This is the chi Vir . The star chi Vir islocated about 293.5 light-years (90.0 pc) away from our Solar System.
  • The star chi Vir has apparent magnitude of 4.7, with absolute magnitude of -0.1.
  • It is 2.2 times more massive and 20.9 times bigger compared with our Sun. The surface temperature is 4445 with its spectral types of K2III
  • Number of Extrasolar Planets : 2
  • Name of the 1 Planet chi Vir b radius 1.049864 mass 11.090000 orbital distance 2.140000
  • Name of the 2 Planet chi Vir c radius 1.049879 mass 3.100000 orbital distance 0.640000
    (Illustration of the chi Vir's Planetary System)



    The Star chi Vir 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 8.946 AU ( 1338282901.3 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 12.366 AU ( 1849856704.7 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 18.842 AU ( 2818772245.6 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 27.727 AU ( 4147946841.8 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star chi Vir)



    Kopparapu's Recent Venus for Star chi Vir distance : 9.899 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star chi Vir distance : 12.531 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star chi Vir distance : 12.104 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star chi Vir distance : 13.267 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star chi Vir distance : 23.271 AU
    Kopparapu's Outer Boundary for Early Mars for Star chi Vir distance : 24.549 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star chi Vir)



  • Original Kopparapu Recent Venus for Star chi Vir distance : 9.767 AU
  • Original Kopparapu Runaway Greenhouse for Star chi Vir distance : 12.940 AU
  • Original Kopparapu Moist Greenhouse for Star chi Vir distance : 12.923 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star chi Vir distance : 23.650 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star chi Vir distance : 24.595 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star chi Vir)



    (Position in Stellar Map of star chi Vir )



    (Zoomed position in Stellar Map of star chi Vir (zoom level 3))

    (Synthetic Spectrum of star K2-354*)
    *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