HD 149806 A

Display orbital revolution around the star HD 149806 A
Imaginary Picture of Star HD 149806 A
Star Name : HD 149806 A
Alternate Name :
Star Distance (LY/pc): 66.1206 (LY) 20.2727 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.8770 (Rsun, estimated)
Stellar Mass (Msun): 0.9300 (Msun/observed) 0.9300 (Msun/estimated)
Spectral type : G8V
Metalicity : 0.2200
Absolute Magnitude : 5.53
Apparent Magnitude : 7.07
Right Ascension(RA) : 249.28512
Declination(DEC) : 0.25434
  • This is the HD 149806 A . The star HD 149806 A islocated about 66.1 light-years (20.3 pc) away from our Solar System.
  • The star HD 149806 A has apparent magnitude of 7.1, with absolute magnitude of 5.5.
  • It is 0.9 times more massive and 0.9 times bigger compared with our Sun. The surface temperature is 5352 with its spectral types of G8V
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet HD 149806 Ab radius 0.907830 mass 12.597000 orbital distance 12.404000
    (Illustration of the HD 149806 A's Planetary System)



    The Star HD 149806 A 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.544 AU ( 81412279.6 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.752 AU ( 112533046.0 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.146 AU ( 171475458.5 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.687 AU ( 252333649.1 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 149806 A)



    Kopparapu's Recent Venus for Star HD 149806 A distance : 0.578 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star HD 149806 A distance : 0.732 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star HD 149806 A distance : 0.707 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star HD 149806 A distance : 0.775 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star HD 149806 A distance : 1.310 AU
    Kopparapu's Outer Boundary for Early Mars for Star HD 149806 A distance : 1.381 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 149806 A)



  • Original Kopparapu Recent Venus for Star HD 149806 A distance : 0.575 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 149806 A distance : 0.753 AU
  • Original Kopparapu Moist Greenhouse for Star HD 149806 A distance : 0.760 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 149806 A distance : 1.332 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 149806 A distance : 1.385 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 149806 A)



    (Position in Stellar Map of star HD 149806 A )



    (Zoomed position in Stellar Map of star HD 149806 A (zoom level 3))

    (Synthetic Spectrum of star HD 73344*)
    *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