XO-7

Display orbital revolution around the star XO-7
Imaginary Picture of Star XO-7
Star Name : XO-7
Alternate Name : BD+85 317
Star Distance (LY/pc): 763.5312 (LY) 234.1000 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 1.4800 (Rsun, estimated)
Stellar Mass (Msun): 1.4050 (Msun/observed) 1.4050 (Msun/estimated)
Spectral type : GOV
Metalicity : 0.4320
Absolute Magnitude : 3.65
Apparent Magnitude : 10.50
Right Ascension(RA) : 277.22917
Declination(DEC) : 85.23333
  • This is the XO-7 . The star XO-7 islocated about 763.5 light-years (234.1 pc) away from our Solar System.
  • The star XO-7 has apparent magnitude of 10.5, with absolute magnitude of 3.7.
  • It is 1.4 times more massive and 1.5 times bigger compared with our Sun. The surface temperature is 6250 with its spectral types of GOV
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet XO-7 b radius 1.373000 mass 0.709000 orbital distance 0.044210
    (Illustration of the XO-7's Planetary System)



    The Star XO-7 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.252 AU ( 187361287.7 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.731 AU ( 258982262.9 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.638 AU ( 394631656.1 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 3.882 AU ( 580717769.6 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star XO-7)



    Kopparapu's Recent Venus for Star XO-7 distance : 1.261 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star XO-7 distance : 1.597 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star XO-7 distance : 1.543 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star XO-7 distance : 1.690 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star XO-7 distance : 2.791 AU
    Kopparapu's Outer Boundary for Early Mars for Star XO-7 distance : 2.944 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star XO-7)



  • Original Kopparapu Recent Venus for Star XO-7 distance : 1.276 AU
  • Original Kopparapu Runaway Greenhouse for Star XO-7 distance : 1.639 AU
  • Original Kopparapu Moist Greenhouse for Star XO-7 distance : 1.688 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star XO-7 distance : 2.841 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star XO-7 distance : 2.954 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star XO-7)



    (Position in Stellar Map of star XO-7 )



    (Zoomed position in Stellar Map of star XO-7 (zoom level 3))

    (Synthetic Spectrum of star Kepler-1557*)
    *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