7 CMa
Imaginary Picture of Star 7 CMa
Star Name : 7 CMa
Alternate Name :
Star Distance (LY/pc): 64.4195 (LY) 19.7511 (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 7 CMa . The star 7 CMa islocated about 64.4 light-years (19.8 pc) away from our Solar System.
  • The star 7 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 7 CMA c radius 0.907830 mass 0.906000 orbital distance 2.143000
  • Name of the 2 Planet 7 CMa b radius 0.907830 mass 1.895000 orbital distance 1.761000
    (Illustration of the 7 CMa's Planetary System)



    The Star 7 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 7 CMa)



    Kopparapu's Recent Venus for Star 7 CMa distance : 1.249 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star 7 CMa distance : 1.582 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star 7 CMa distance : 1.528 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star 7 CMa distance : 1.675 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star 7 CMa distance : 2.892 AU
    Kopparapu's Outer Boundary for Early Mars for Star 7 CMa distance : 3.050 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star 7 CMa)



  • Original Kopparapu Recent Venus for Star 7 CMa distance : 1.234 AU
  • Original Kopparapu Runaway Greenhouse for Star 7 CMa distance : 1.631 AU
  • Original Kopparapu Moist Greenhouse for Star 7 CMa distance : 1.633 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star 7 CMa distance : 2.940 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star 7 CMa distance : 3.057 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star 7 CMa)



    (Position in Stellar Map of star 7 CMa )



    (Zoomed position in Stellar Map of star 7 CMa (zoom level 3))