WASP-4

Display orbital revolution around the star WASP-4
Imaginary Picture of Star WASP-4
Star Name : WASP-4
Alternate Name :
Star Distance (LY/pc): 898.5014 (LY) 275.4821 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 1.1500 (Rsun, estimated)
Stellar Mass (Msun): 0.9300 (Msun/observed) 0.9300 (Msun/estimated)
Spectral type : G8
Metalicity : -0.0300
Absolute Magnitude : 5.40
Apparent Magnitude : 12.60
Right Ascension(RA) : 353.56284
Declination(DEC) : -42.06139
  • This is the WASP-4 . The star WASP-4 islocated about 898.5 light-years (275.5 pc) away from our Solar System.
  • The star WASP-4 has apparent magnitude of 12.6, with absolute magnitude of 5.4.
  • It is 0.9 times more massive and 1.1 times bigger compared with our Sun. The surface temperature is 5500 with its spectral types of G8
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet WASP-4 b radius 1.384600 mass 1.197400 orbital distance 0.023120
    (Illustration of the WASP-4's Planetary System)



    The Star WASP-4 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.754 AU ( 112740857.0 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.042 AU ( 155837327.1 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.587 AU ( 237461599.8 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.336 AU ( 349435146.6 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star WASP-4)



    Kopparapu's Recent Venus for Star WASP-4 distance : 0.794 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star WASP-4 distance : 1.005 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star WASP-4 distance : 0.971 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star WASP-4 distance : 1.065 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star WASP-4 distance : 1.790 AU
    Kopparapu's Outer Boundary for Early Mars for Star WASP-4 distance : 1.888 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star WASP-4)



  • Original Kopparapu Recent Venus for Star WASP-4 distance : 0.791 AU
  • Original Kopparapu Runaway Greenhouse for Star WASP-4 distance : 1.034 AU
  • Original Kopparapu Moist Greenhouse for Star WASP-4 distance : 1.047 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star WASP-4 distance : 1.821 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star WASP-4 distance : 1.894 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star WASP-4)



    (Position in Stellar Map of star WASP-4 )



    (Zoomed position in Stellar Map of star WASP-4 (zoom level 3))

    (Synthetic Spectrum of star K2-177*)
    *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