HD 194490

Display orbital revolution around the star HD 194490
Imaginary Picture of Star HD 194490
Star Name : HD 194490
Alternate Name :
Star Distance (LY/pc): 261.6909 (LY) 80.2349 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 1.1490 (Rsun, estimated)
Stellar Mass (Msun): 1.0600 (Msun/observed) 1.0600 (Msun/estimated)
Spectral type : G1V
Metalicity : 0.0800
Absolute Magnitude : 4.45
Apparent Magnitude : 8.97
Right Ascension(RA) : 306.99900
Declination(DEC) : -51.66444
  • This is the HD 194490 . The star HD 194490 islocated about 261.7 light-years (80.2 pc) away from our Solar System.
  • The star HD 194490 has apparent magnitude of 9.0, with absolute magnitude of 4.4.
  • It is 1.1 times more massive and 1.1 times bigger compared with our Sun. The surface temperature is 5861 with its spectral types of G1V
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet HD 194490 b radius 0.907830 mass 11.207000 orbital distance 11.116000
    (Illustration of the HD 194490's Planetary System)



    The Star HD 194490 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.855 AU ( 127915032.0 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.182 AU ( 176812002.5 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.801 AU ( 269422363.3 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.650 AU ( 396466810.3 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 194490)



    Kopparapu's Recent Venus for Star HD 194490 distance : 0.882 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star HD 194490 distance : 1.117 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star HD 194490 distance : 1.078 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star HD 194490 distance : 1.182 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star HD 194490 distance : 1.968 AU
    Kopparapu's Outer Boundary for Early Mars for Star HD 194490 distance : 2.075 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 194490)



  • Original Kopparapu Recent Venus for Star HD 194490 distance : 0.884 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 194490 distance : 1.147 AU
  • Original Kopparapu Moist Greenhouse for Star HD 194490 distance : 1.170 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 194490 distance : 2.002 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 194490 distance : 2.082 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 194490)



    (Position in Stellar Map of star HD 194490 )



    (Zoomed position in Stellar Map of star HD 194490 (zoom level 3))

    (Synthetic Spectrum of star HD 99706*)
    *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