HIP 74890

Display orbital revolution around the star HIP 74890
Imaginary Picture of Star HIP 74890
Star Name : HIP 74890
Alternate Name :
Star Distance (LY/pc): 298.4044 (LY) 91.4913 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 5.7700 (Rsun, estimated)
Stellar Mass (Msun): 1.7400 (Msun/observed) 1.7400 (Msun/estimated)
Spectral type : K1III
Metalicity : 0.2000
Absolute Magnitude : 2.24
Apparent Magnitude : 7.05
Right Ascension(RA) : 229.57221
Declination(DEC) : -41.42056
  • This is the HIP 74890 . The star HIP 74890 islocated about 298.4 light-years (91.5 pc) away from our Solar System.
  • The star HIP 74890 has apparent magnitude of 7.0, with absolute magnitude of 2.2.
  • It is 1.7 times more massive and 5.8 times bigger compared with our Sun. The surface temperature is 4850 with its spectral types of K1III
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet HIP 74890 b radius 0.907830 mass 2.400000 orbital distance 2.100000
    (Illustration of the HIP 74890's Planetary System)



    The Star HIP 74890 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 2.940 AU ( 439862970.5 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 4.064 AU ( 608005575.2 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 6.193 AU ( 926465945.3 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 9.113 AU ( 1363335224.3 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HIP 74890)



    Kopparapu's Recent Venus for Star HIP 74890 distance : 3.203 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star HIP 74890 distance : 4.055 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star HIP 74890 distance : 3.917 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star HIP 74890 distance : 4.295 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star HIP 74890 distance : 7.395 AU
    Kopparapu's Outer Boundary for Early Mars for Star HIP 74890 distance : 7.800 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HIP 74890)



  • Original Kopparapu Recent Venus for Star HIP 74890 distance : 3.165 AU
  • Original Kopparapu Runaway Greenhouse for Star HIP 74890 distance : 4.181 AU
  • Original Kopparapu Moist Greenhouse for Star HIP 74890 distance : 4.188 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HIP 74890 distance : 7.518 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HIP 74890 distance : 7.818 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HIP 74890)



    (Position in Stellar Map of star HIP 74890 )



    (Zoomed position in Stellar Map of star HIP 74890 (zoom level 3))

    (Synthetic Spectrum of star HD 140901*)
    *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