HD 1690

Display orbital revolution around the star HD 1690
Imaginary Picture of Star HD 1690
Star Name : HD 1690
Alternate Name :
Star Distance (LY/pc): 2203.7568 (LY) 675.6757 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 16.7000 (Rsun, estimated)
Stellar Mass (Msun): 1.0900 (Msun/observed) 1.0900 (Msun/estimated)
Spectral type : K1III
Metalicity : -0.3200
Absolute Magnitude : 0.02
Apparent Magnitude : 9.17
Right Ascension(RA) : 5.30553
Declination(DEC) : -8.28111
  • This is the HD 1690 . The star HD 1690 islocated about 2203.8 light-years (675.7 pc) away from our Solar System.
  • The star HD 1690 has apparent magnitude of 9.2, with absolute magnitude of 0.0.
  • It is 1.1 times more massive and 16.7 times bigger compared with our Sun. The surface temperature is 4393 with its spectral types of K1III
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet HD 1690 b radius 1.049869 mass 6.100000 orbital distance 1.300000
    (Illustration of the HD 1690's Planetary System)



    The Star HD 1690 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 6.982 AU ( 1044472452.5 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 9.651 AU ( 1443733882.6 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 14.706 AU ( 2199930939.5 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 21.640 AU ( 3237294750.3 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 1690)



    Kopparapu's Recent Venus for Star HD 1690 distance : 7.739 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star HD 1690 distance : 9.797 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star HD 1690 distance : 9.462 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star HD 1690 distance : 10.371 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star HD 1690 distance : 18.238 AU
    Kopparapu's Outer Boundary for Early Mars for Star HD 1690 distance : 19.239 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 1690)



  • Original Kopparapu Recent Venus for Star HD 1690 distance : 7.636 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 1690 distance : 10.118 AU
  • Original Kopparapu Moist Greenhouse for Star HD 1690 distance : 10.103 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 1690 distance : 18.534 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 1690 distance : 19.275 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 1690)



    (Position in Stellar Map of star HD 1690 )



    (Zoomed position in Stellar Map of star HD 1690 (zoom level 3))

    (Synthetic Spectrum of star HAT-P-31*)
    *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