HD 81040

Display orbital revolution around the star HD 81040
Imaginary Picture of Star HD 81040
Star Name : HD 81040
Alternate Name :
Star Distance (LY/pc): 111.9272 (LY) 34.3171 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.8600 (Rsun, estimated)
Stellar Mass (Msun): 0.9600 (Msun/observed) 0.9600 (Msun/estimated)
Spectral type : G2/G3
Metalicity : -0.1600
Absolute Magnitude : 5.04
Apparent Magnitude : 7.72
Right Ascension(RA) : 140.94619
Declination(DEC) : 20.36444
  • This is the HD 81040 . The star HD 81040 islocated about 111.9 light-years (34.3 pc) away from our Solar System.
  • The star HD 81040 has apparent magnitude of 7.7, with absolute magnitude of 5.0.
  • It is 1.0 times more massive and 0.9 times bigger compared with our Sun. The surface temperature is 5700 with its spectral types of G2/G3
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet HD 81040 b radius 0.907830 mass 8.040000 orbital distance 1.940000
    (Illustration of the HD 81040's Planetary System)



    The Star HD 81040 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.605 AU ( 90553715.6 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.837 AU ( 125168899.5 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.275 AU ( 190729703.0 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.876 AU ( 280667113.3 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 81040)



    Kopparapu's Recent Venus for Star HD 81040 distance : 0.630 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star HD 81040 distance : 0.798 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star HD 81040 distance : 0.771 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star HD 81040 distance : 0.845 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star HD 81040 distance : 1.413 AU
    Kopparapu's Outer Boundary for Early Mars for Star HD 81040 distance : 1.490 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 81040)



  • Original Kopparapu Recent Venus for Star HD 81040 distance : 0.630 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 81040 distance : 0.820 AU
  • Original Kopparapu Moist Greenhouse for Star HD 81040 distance : 0.834 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 81040 distance : 1.437 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 81040 distance : 1.495 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 81040)



    (Position in Stellar Map of star HD 81040 )



    (Zoomed position in Stellar Map of star HD 81040 (zoom level 3))

    (Synthetic Spectrum of star HD 18143 A*)
    *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