HD 74698

Display orbital revolution around the star HD 74698
Imaginary Picture of Star HD 74698
Star Name : HD 74698
Alternate Name :
Star Distance (LY/pc): 169.1249 (LY) 51.8540 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 1.3330 (Rsun, estimated)
Stellar Mass (Msun): 1.0390 (Msun/observed) 1.0390 (Msun/estimated)
Spectral type : G5V
Metalicity : 0.0700
Absolute Magnitude : 18.43
Apparent Magnitude : 22.00
Right Ascension(RA) : 130.07500
Declination(DEC) : -71.87722
  • This is the HD 74698 . The star HD 74698 islocated about 169.1 light-years (51.9 pc) away from our Solar System.
  • The star HD 74698 has apparent magnitude of 22.0, with absolute magnitude of 18.4.
  • It is 1.0 times more massive and 1.3 times bigger compared with our Sun. The surface temperature is 5783 with its spectral types of G5V
  • Number of Extrasolar Planets : 2
  • Name of the 1 Planet HD 74698 b radius 0.237811 mass 0.072000 orbital distance 0.121000
  • Name of the 2 Planet HD 74698 c radius 0.907830 mass 0.400000 orbital distance 4.500000
    (Illustration of the HD 74698's Planetary System)



    The Star HD 74698 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.966 AU ( 144475646.5 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.335 AU ( 199703099.4 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.034 AU ( 304303329.4 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.993 AU ( 447795679.8 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 74698)



    Kopparapu's Recent Venus for Star HD 74698 distance : 1.001 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star HD 74698 distance : 1.267 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star HD 74698 distance : 1.224 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star HD 74698 distance : 1.342 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star HD 74698 distance : 2.237 AU
    Kopparapu's Outer Boundary for Early Mars for Star HD 74698 distance : 2.360 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 74698)



  • Original Kopparapu Recent Venus for Star HD 74698 distance : 1.002 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 74698 distance : 1.302 AU
  • Original Kopparapu Moist Greenhouse for Star HD 74698 distance : 1.326 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 74698 distance : 2.277 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 74698 distance : 2.368 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 74698)



    (Position in Stellar Map of star HD 74698 )



    (Zoomed position in Stellar Map of star HD 74698 (zoom level 3))

    (Synthetic Spectrum of star HD 13931*)
    *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