HD 18015

Display orbital revolution around the star HD 18015
Imaginary Picture of Star HD 18015
Star Name : HD 18015
Alternate Name :
Star Distance (LY/pc): 407.0394 (LY) 124.7990 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 3.1300 (Rsun, estimated)
Stellar Mass (Msun): 1.4900 (Msun/observed) 1.4900 (Msun/estimated)
Spectral type : G6IV
Metalicity : 0.0000
Absolute Magnitude : 2.42
Apparent Magnitude : 7.90
Right Ascension(RA) : 43.36336
Declination(DEC) : -8.84802
  • This is the HD 18015 . The star HD 18015 islocated about 407.0 light-years (124.8 pc) away from our Solar System.
  • The star HD 18015 has apparent magnitude of 7.9, with absolute magnitude of 2.4.
  • It is 1.5 times more massive and 3.1 times bigger compared with our Sun. The surface temperature is 5599 with its spectral types of G6IV
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet HD 18015 b radius 1.170000 mass 3.180000 orbital distance 3.870000
    (Illustration of the HD 18015's Planetary System)



    The Star HD 18015 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 2.126 AU ( 317997265.2 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 2.938 AU ( 439555323.1 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 4.477 AU ( 669785039.0 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 6.588 AU ( 985618026.3 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 18015)



    Kopparapu's Recent Venus for Star HD 18015 distance : 2.227 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star HD 18015 distance : 2.820 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star HD 18015 distance : 2.723 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star HD 18015 distance : 2.986 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star HD 18015 distance : 5.004 AU
    Kopparapu's Outer Boundary for Early Mars for Star HD 18015 distance : 5.279 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 18015)



  • Original Kopparapu Recent Venus for Star HD 18015 distance : 2.222 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 18015 distance : 2.899 AU
  • Original Kopparapu Moist Greenhouse for Star HD 18015 distance : 2.940 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 18015 distance : 5.092 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 18015 distance : 5.295 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 18015)



    (Position in Stellar Map of star HD 18015 )



    (Zoomed position in Stellar Map of star HD 18015 (zoom level 3))

    (Synthetic Spectrum of star HATS-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