HD 181234

Display orbital revolution around the star HD 181234
Imaginary Picture of Star HD 181234
Star Name : HD 181234
Alternate Name :
Star Distance (LY/pc): 155.9399 (LY) 47.8114 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 1.0500 (Rsun, estimated)
Stellar Mass (Msun): 1.0100 (Msun/observed) 1.0100 (Msun/estimated)
Spectral type : G5
Metalicity : 0.3200
Absolute Magnitude : 2.60
Apparent Magnitude : 6.00
Right Ascension(RA) : 290.00041
Declination(DEC) : -9.32361
  • This is the HD 181234 . The star HD 181234 islocated about 155.9 light-years (47.8 pc) away from our Solar System.
  • The star HD 181234 has apparent magnitude of 6.0, with absolute magnitude of 2.6.
  • It is 1.0 times more massive and 1.1 times bigger compared with our Sun. The surface temperature is 5660 with its spectral types of G5
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet HD 181234 b radius 0.907830 mass 8.370000 orbital distance 7.520000
    (Illustration of the HD 181234's Planetary System)



    The Star HD 181234 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.729 AU ( 109013497.6 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.007 AU ( 150685142.3 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.535 AU ( 229610810.4 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.259 AU ( 337882366.1 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 181234)



    Kopparapu's Recent Venus for Star HD 181234 distance : 0.761 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star HD 181234 distance : 0.963 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star HD 181234 distance : 0.930 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star HD 181234 distance : 1.020 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star HD 181234 distance : 1.706 AU
    Kopparapu's Outer Boundary for Early Mars for Star HD 181234 distance : 1.800 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 181234)



  • Original Kopparapu Recent Venus for Star HD 181234 distance : 0.760 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 181234 distance : 0.990 AU
  • Original Kopparapu Moist Greenhouse for Star HD 181234 distance : 1.005 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 181234 distance : 1.736 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 181234 distance : 1.806 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 181234)



    (Position in Stellar Map of star HD 181234 )



    (Zoomed position in Stellar Map of star HD 181234 (zoom level 3))

    (Synthetic Spectrum of star HD 94771*)
    *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