HD 1666

Display orbital revolution around the star HD 1666
Imaginary Picture of Star HD 1666
Star Name : HD 1666
Alternate Name :
Star Distance (LY/pc): 385.0720 (LY) 118.0638 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 1.9300 (Rsun, estimated)
Stellar Mass (Msun): 1.5000 (Msun/observed) 1.5000 (Msun/estimated)
Spectral type : F7 V
Metalicity : 0.3700
Absolute Magnitude : 2.81
Apparent Magnitude : 8.17
Right Ascension(RA) : 5.21808
Declination(DEC) : -19.93111
  • This is the HD 1666 . The star HD 1666 islocated about 385.1 light-years (118.1 pc) away from our Solar System.
  • The star HD 1666 has apparent magnitude of 8.2, with absolute magnitude of 2.8.
  • It is 1.5 times more massive and 1.9 times bigger compared with our Sun. The surface temperature is 6317 with its spectral types of F7 V
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet HD 1666 b radius 1.049868 mass 6.430000 orbital distance 0.940000
    (Illustration of the HD 1666's Planetary System)



    The Star HD 1666 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.668 AU ( 249595743.8 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 2.306 AU ( 345006545.0 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 3.514 AU ( 525713624.9 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 5.171 AU ( 773610629.0 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 1666)



    Kopparapu's Recent Venus for Star HD 1666 distance : 1.674 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star HD 1666 distance : 2.120 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star HD 1666 distance : 2.047 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star HD 1666 distance : 2.242 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star HD 1666 distance : 3.698 AU
    Kopparapu's Outer Boundary for Early Mars for Star HD 1666 distance : 3.901 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 1666)



  • Original Kopparapu Recent Venus for Star HD 1666 distance : 1.695 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 1666 distance : 2.174 AU
  • Original Kopparapu Moist Greenhouse for Star HD 1666 distance : 2.243 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 1666 distance : 3.765 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 1666 distance : 3.915 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 1666)



    (Position in Stellar Map of star HD 1666 )



    (Zoomed position in Stellar Map of star HD 1666 (zoom level 3))

    (Synthetic Spectrum of star HAT-P-30*)
    *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