HD 12661

Display orbital revolution around the star HD 12661
Imaginary Picture of Star HD 12661
Star Name : HD 12661
Alternate Name :
Star Distance (LY/pc): inf (LY) inf (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 1.1200 (Rsun, estimated)
Stellar Mass (Msun): 1.0700 (Msun/observed) 1.0700 (Msun/estimated)
Spectral type : G6 V
Metalicity : 0.2900
Absolute Magnitude : -inf
Apparent Magnitude : 7.44
Right Ascension(RA) : 31.14167
Declination(DEC) : 25.41417
  • This is the HD 12661 . The star HD 12661 islocated about inf light-years ( inf pc) away from our Solar System.
  • The star HD 12661 has apparent magnitude of 7.4, with absolute magnitude of -inf.
  • It is 1.1 times more massive and 1.1 times bigger compared with our Sun. The surface temperature is 5742 with its spectral types of G6 V
  • Number of Extrasolar Planets : 2
  • Name of the 1 Planet HD 12661 b radius 0.907830 mass 2.300000 orbital distance 0.830000
  • Name of the 2 Planet HD 12661 c radius 0.907830 mass 1.570000 orbital distance 2.560000
    (Illustration of the HD 12661's Planetary System)



    The Star HD 12661 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.800 AU ( 119674745.2 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.106 AU ( 165421772.6 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.685 AU ( 252066173.7 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.479 AU ( 370926416.9 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 12661)



    Kopparapu's Recent Venus for Star HD 12661 distance : 0.831 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star HD 12661 distance : 1.052 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star HD 12661 distance : 1.016 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star HD 12661 distance : 1.114 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star HD 12661 distance : 1.860 AU
    Kopparapu's Outer Boundary for Early Mars for Star HD 12661 distance : 1.962 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 12661)



  • Original Kopparapu Recent Venus for Star HD 12661 distance : 0.831 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 12661 distance : 1.081 AU
  • Original Kopparapu Moist Greenhouse for Star HD 12661 distance : 1.100 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 12661 distance : 1.893 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 12661 distance : 1.968 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 12661)



    (Position in Stellar Map of star HD 12661 )



    (Zoomed position in Stellar Map of star HD 12661 (zoom level 3))

    (Synthetic Spectrum of star HATS-25*)
    *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