nu2 CMa

Display orbital revolution around the star nu2 CMa
Imaginary Picture of Star nu2 CMa
Star Name : nu2 CMa
Alternate Name : 7 CMa
Star Distance (LY/pc): 64.4158 (LY) 19.7500 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 2.3000 (Rsun, estimated)
Stellar Mass (Msun): 1.5200 (Msun/observed) 1.5200 (Msun/estimated)
Spectral type : K1 III
Metalicity : 0.2100
Absolute Magnitude : 2.48
Apparent Magnitude : 3.96
Right Ascension(RA) : 99.17083
Declination(DEC) : -19.25583
  • This is the nu2 CMa . The star nu2 CMa islocated about 64.4 light-years (19.8 pc) away from our Solar System.
  • The star nu2 CMa has apparent magnitude of 4.0, with absolute magnitude of 2.5.
  • It is 1.5 times more massive and 2.3 times bigger compared with our Sun. The surface temperature is 4792 with its spectral types of K1 III
  • Number of Extrasolar Planets : 2
  • Name of the 1 Planet nu2 CMa b radius 0.907830 mass 1.895000 orbital distance 1.761000
  • Name of the 2 Planet nu2 CMa c radius 0.907830 mass 0.906000 orbital distance 2.143000
    (Illustration of the nu2 CMa's Planetary System)



    The Star nu2 CMa 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.144 AU ( 171166814.1 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.582 AU ( 236597268.3 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.410 AU ( 360521878.0 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 3.546 AU ( 530523737.0 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star nu2 CMa)



    Kopparapu's Recent Venus for Star nu2 CMa distance : 1.249 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star nu2 CMa distance : 1.582 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star nu2 CMa distance : 1.528 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star nu2 CMa distance : 1.675 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star nu2 CMa distance : 2.892 AU
    Kopparapu's Outer Boundary for Early Mars for Star nu2 CMa distance : 3.050 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star nu2 CMa)



  • Original Kopparapu Recent Venus for Star nu2 CMa distance : 1.234 AU
  • Original Kopparapu Runaway Greenhouse for Star nu2 CMa distance : 1.631 AU
  • Original Kopparapu Moist Greenhouse for Star nu2 CMa distance : 1.633 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star nu2 CMa distance : 2.940 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star nu2 CMa distance : 3.057 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star nu2 CMa)



    (Position in Stellar Map of star nu2 CMa )



    (Zoomed position in Stellar Map of star nu2 CMa (zoom level 3))

    (Synthetic Spectrum of star K2-378*)
    *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