Qatar-9

Display orbital revolution around the star Qatar-9
Imaginary Picture of Star Qatar-9
Star Name : Qatar-9
Alternate Name :
Star Distance (LY/pc): 689.4938 (LY) 211.4000 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.6960 (Rsun, estimated)
Stellar Mass (Msun): 0.7190 (Msun/observed) 0.7190 (Msun/estimated)
Spectral type : K5V
Metalicity : 0.2500
Absolute Magnitude : 7.47
Apparent Magnitude : 14.10
Right Ascension(RA) : 160.74808
Declination(DEC) : 60.96417
  • This is the Qatar-9 . The star Qatar-9 islocated about 689.5 light-years (211.4 pc) away from our Solar System.
  • The star Qatar-9 has apparent magnitude of 14.1, with absolute magnitude of 7.5.
  • It is 0.7 times more massive and 0.7 times bigger compared with our Sun. The surface temperature is 4309 with its spectral types of K5V
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet Qatar-9 b radius 1.009000 mass 1.190000 orbital distance 0.023400
    (Illustration of the Qatar-9's Planetary System)



    The Star Qatar-9 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.280 AU ( 41881318.0 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.387 AU ( 57890926.4 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.590 AU ( 88212960.5 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.868 AU ( 129809235.8 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Qatar-9)



    Kopparapu's Recent Venus for Star Qatar-9 distance : 0.311 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star Qatar-9 distance : 0.394 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star Qatar-9 distance : 0.380 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star Qatar-9 distance : 0.417 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star Qatar-9 distance : 0.736 AU
    Kopparapu's Outer Boundary for Early Mars for Star Qatar-9 distance : 0.777 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Qatar-9)



  • Original Kopparapu Recent Venus for Star Qatar-9 distance : 0.307 AU
  • Original Kopparapu Runaway Greenhouse for Star Qatar-9 distance : 0.407 AU
  • Original Kopparapu Moist Greenhouse for Star Qatar-9 distance : 0.406 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Qatar-9 distance : 0.748 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Qatar-9 distance : 0.778 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Qatar-9)



    (Position in Stellar Map of star Qatar-9 )



    (Zoomed position in Stellar Map of star Qatar-9 (zoom level 3))

    (Synthetic Spectrum of star Kepler-1542*)
    *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