HD 121504

Display orbital revolution around the star HD 121504
Imaginary Picture of Star HD 121504
Star Name : HD 121504
Alternate Name :
Star Distance (LY/pc): 134.5528 (LY) 41.2541 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 1.1216 (Rsun, estimated)
Stellar Mass (Msun): 1.1800 (Msun/observed) 1.1800 (Msun/estimated)
Spectral type : G2 V
Metalicity : 0.1600
Absolute Magnitude : 4.46
Apparent Magnitude : 7.54
Right Ascension(RA) : 209.32183
Declination(DEC) : -56.04000
  • This is the HD 121504 . The star HD 121504 islocated about 134.6 light-years (41.3 pc) away from our Solar System.
  • The star HD 121504 has apparent magnitude of 7.5, with absolute magnitude of 4.5.
  • It is 1.2 times more massive and 1.1 times bigger compared with our Sun. The surface temperature is 6075 with its spectral types of G2 V
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet HD 121504 b radius 1.049912 mass 1.220000 orbital distance 0.330000
    (Illustration of the HD 121504's Planetary System)



    The Star HD 121504 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.897 AU ( 134149022.1 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.240 AU ( 185429005.8 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.889 AU ( 282552769.5 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.779 AU ( 415788778.2 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 121504)



    Kopparapu's Recent Venus for Star HD 121504 distance : 0.736 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star HD 121504 distance : 0.932 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star HD 121504 distance : 0.900 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star HD 121504 distance : 0.987 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star HD 121504 distance : 1.635 AU
    Kopparapu's Outer Boundary for Early Mars for Star HD 121504 distance : 1.724 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 121504)



  • Original Kopparapu Recent Venus for Star HD 121504 distance : 0.742 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 121504 distance : 0.957 AU
  • Original Kopparapu Moist Greenhouse for Star HD 121504 distance : 0.981 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 121504 distance : 1.664 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 121504 distance : 1.730 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 121504)



    (Position in Stellar Map of star HD 121504 )



    (Zoomed position in Stellar Map of star HD 121504 (zoom level 3))

    (Synthetic Spectrum of star HD 43197*)
    *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