sig Per
Imaginary Picture of Star sig Per
Star Name : sig Per
Alternate Name :
Star Distance (LY/pc): 359.5987 (LY) 110.2536 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 28.0000 (Rsun, estimated)
Stellar Mass (Msun): 2.2500 (Msun/observed) 2.2500 (Msun/estimated)
Spectral type : K3III
Metalicity : -0.2200
Absolute Magnitude : -0.85
Apparent Magnitude : 4.36
Right Ascension(RA) : 52.64369
Declination(DEC) : 47.99528
  • This is the sig Per . The star sig Per islocated about 359.6 light-years (110.3 pc) away from our Solar System.
  • The star sig Per has apparent magnitude of 4.4, with absolute magnitude of -0.9.
  • It is 2.2 times more massive and 28.0 times bigger compared with our Sun. The surface temperature is 4367 with its spectral types of K3III
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet sig Per b radius 0.907830 mass 6.500000 orbital distance 1.800000
    (Illustration of the sig Per's Planetary System)



    The Star sig Per 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 11.568 AU ( 1730543528.7 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 15.990 AU ( 2392063401.7 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 24.365 AU ( 3644975261.7 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 35.854 AU ( 5363740773.7 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star sig Per)



    Kopparapu's Recent Venus for Star sig Per distance : 12.833 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star sig Per distance : 16.245 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star sig Per distance : 15.691 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star sig Per distance : 17.196 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star sig Per distance : 30.280 AU
    Kopparapu's Outer Boundary for Early Mars for Star sig Per distance : 31.942 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star sig Per)



  • Original Kopparapu Recent Venus for Star sig Per distance : 12.662 AU
  • Original Kopparapu Runaway Greenhouse for Star sig Per distance : 16.779 AU
  • Original Kopparapu Moist Greenhouse for Star sig Per distance : 16.754 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star sig Per distance : 30.771 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star sig Per distance : 32.001 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star sig Per)



    (Position in Stellar Map of star sig Per )



    (Zoomed position in Stellar Map of star sig Per (zoom level 3))