nu Oph

Display orbital revolution around the star nu Oph
Imaginary Picture of Star nu Oph
Star Name : nu Oph
Alternate Name :
Star Distance (LY/pc): 150.7190 (LY) 46.2107 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 15.1000 (Rsun, estimated)
Stellar Mass (Msun): 3.0400 (Msun/observed) 3.0400 (Msun/estimated)
Spectral type : K0III
Metalicity : 0.1300
Absolute Magnitude : 0.01
Apparent Magnitude : 3.33
Right Ascension(RA) : 269.75833
Declination(DEC) : -9.77361
  • This is the nu Oph . The star nu Oph islocated about 150.7 light-years (46.2 pc) away from our Solar System.
  • The star nu Oph has apparent magnitude of 3.3, with absolute magnitude of 0.0.
  • It is 3.0 times more massive and 15.1 times bigger compared with our Sun. The surface temperature is 4928 with its spectral types of K0III
  • Number of Extrasolar Planets : 2
  • Name of the 1 Planet nu Oph b radius 1.049861 mass 22.206000 orbital distance 1.790000
  • Name of the 2 Planet nu Oph c radius 0.907830 mass 24.662000 orbital distance 5.931000
    (Illustration of the nu Oph's Planetary System)



    The Star nu Oph 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 7.944 AU ( 1188437803.7 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 10.981 AU ( 1642731620.6 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 16.733 AU ( 2503159454.1 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 24.623 AU ( 3683508793.1 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star nu Oph)



    Kopparapu's Recent Venus for Star nu Oph distance : 8.623 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star nu Oph distance : 10.917 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star nu Oph distance : 10.545 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star nu Oph distance : 11.564 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star nu Oph distance : 19.845 AU
    Kopparapu's Outer Boundary for Early Mars for Star nu Oph distance : 20.933 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star nu Oph)



  • Original Kopparapu Recent Venus for Star nu Oph distance : 8.526 AU
  • Original Kopparapu Runaway Greenhouse for Star nu Oph distance : 11.253 AU
  • Original Kopparapu Moist Greenhouse for Star nu Oph distance : 11.282 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star nu Oph distance : 20.177 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star nu Oph distance : 20.983 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star nu Oph)



    (Position in Stellar Map of star nu Oph )



    (Zoomed position in Stellar Map of star nu Oph (zoom level 3))

    (Synthetic Spectrum of star K2-191*)
    *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