HIP 73990

Display orbital revolution around the star HIP 73990
Imaginary Picture of Star HIP 73990
Star Name : HIP 73990
Alternate Name : HD 133803
Star Distance (LY/pc): 361.0876 (LY) 110.7101 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 1.4148 (Rsun, estimated)
Stellar Mass (Msun): 1.7200 (Msun/observed) 1.7200 (Msun/estimated)
Spectral type : A9V
Metalicity : 0.0000
Absolute Magnitude : 2.90
Apparent Magnitude : 8.12
Right Ascension(RA) : 226.81224
Declination(DEC) : -29.50444
  • This is the HIP 73990 . The star HIP 73990 islocated about 361.1 light-years (110.7 pc) away from our Solar System.
  • The star HIP 73990 has apparent magnitude of 8.1, with absolute magnitude of 2.9.
  • It is 1.7 times more massive and 1.4 times bigger compared with our Sun. The surface temperature is 7450 with its spectral types of A9V
  • Number of Extrasolar Planets : 2
  • Name of the 1 Planet HIP 73990 b radius 0.907830 mass 21.000000 orbital distance 20.000000
  • Name of the 2 Planet HIP 73990 c radius 0.907830 mass 22.000000 orbital distance 32.000000
    (Illustration of the HIP 73990's Planetary System)



    The Star HIP 73990 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.701 AU ( 254479369.0 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 2.351 AU ( 351756991.3 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 3.583 AU ( 535999811.1 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 5.272 AU ( 788747202.7 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HIP 73990)



    Kopparapu's Recent Venus for Star HIP 73990 distance : 2.569 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star HIP 73990 distance : 3.254 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star HIP 73990 distance : 3.142 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star HIP 73990 distance : 3.432 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star HIP 73990 distance : 5.612 AU
    Kopparapu's Outer Boundary for Early Mars for Star HIP 73990 distance : 5.918 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HIP 73990)



  • Original Kopparapu Recent Venus for Star HIP 73990 distance : 2.660 AU
  • Original Kopparapu Runaway Greenhouse for Star HIP 73990 distance : 3.326 AU
  • Original Kopparapu Moist Greenhouse for Star HIP 73990 distance : 3.520 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HIP 73990 distance : 5.714 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HIP 73990 distance : 5.942 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HIP 73990)



    (Position in Stellar Map of star HIP 73990 )



    (Zoomed position in Stellar Map of star HIP 73990 (zoom level 3))

    (Synthetic Spectrum of star HD 139357*)
    *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