SR 12 (AB)

Display orbital revolution around the star SR 12 (AB)
Imaginary Picture of Star SR 12 (AB)
Star Name : SR 12 (AB)
Alternate Name :
Star Distance (LY/pc): 407.6950 (LY) 125.0000 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.6694 (Rsun, estimated)
Stellar Mass (Msun): 0.0000 (Msun/observed) 0.0000 (Msun/estimated)
Spectral type : K4-M2.5
Metalicity : 0.0000
Absolute Magnitude : 7.80
Apparent Magnitude : 13.28
Right Ascension(RA) : 246.83130
Declination(DEC) : -24.69444
  • This is the SR 12 (AB) . The star SR 12 (AB) islocated about 407.7 light-years (125.0 pc) away from our Solar System.
  • The star SR 12 (AB) has apparent magnitude of 13.3, with absolute magnitude of 7.8.
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet SR 12 (AB) c radius 0.907830 mass 13.000000 orbital distance 1083.000000
    (Illustration of the SR 12 (AB)'s Planetary System)



    The Star SR 12 (AB) 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.307 AU ( 45903884.7 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.424 AU ( 63451164.8 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.646 AU ( 96685533.4 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.951 AU ( 142276997.9 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star SR 12 (AB))



    Kopparapu's Recent Venus for Star SR 12 (AB) distance : 0.338 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star SR 12 (AB) distance : 0.427 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star SR 12 (AB) distance : 0.413 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star SR 12 (AB) distance : 0.453 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star SR 12 (AB) distance : 0.788 AU
    Kopparapu's Outer Boundary for Early Mars for Star SR 12 (AB) distance : 0.831 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star SR 12 (AB))



  • Original Kopparapu Recent Venus for Star SR 12 (AB) distance : 0.333 AU
  • Original Kopparapu Runaway Greenhouse for Star SR 12 (AB) distance : 0.441 AU
  • Original Kopparapu Moist Greenhouse for Star SR 12 (AB) distance : 0.441 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star SR 12 (AB) distance : 0.801 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star SR 12 (AB) distance : 0.833 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star SR 12 (AB))



    (Position in Stellar Map of star SR 12 (AB) )



    (Zoomed position in Stellar Map of star SR 12 (AB) (zoom level 3))

    (Synthetic Spectrum of star Kepler-1590*)
    *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