Qatar-2

Display orbital revolution around the star Qatar-2
Imaginary Picture of Star Qatar-2
Star Name : Qatar-2
Alternate Name : "2MASS J13503740-0648145, EPIC 212756297, GSC 04974-00112, WISE J135037.33-064814.5"
Star Distance (LY/pc): 594.6476 (LY) 182.3200 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.7800 (Rsun, estimated)
Stellar Mass (Msun): 0.7400 (Msun/observed) 0.7400 (Msun/estimated)
Spectral type : K
Metalicity : 0.0200
Absolute Magnitude : 7.00
Apparent Magnitude : 13.30
Right Ascension(RA) : 207.65587
Declination(DEC) : -6.80403
  • This is the Qatar-2 . The star Qatar-2 islocated about 594.6 light-years (182.3 pc) away from our Solar System.
  • The star Qatar-2 has apparent magnitude of 13.3, with absolute magnitude of 7.0.
  • It is 0.7 times more massive and 0.8 times bigger compared with our Sun. The surface temperature is 4645 with its spectral types of K
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet Qatar-2 b radius 1.254000 mass 2.494000 orbital distance 0.021530
    (Illustration of the Qatar-2's Planetary System)



    The Star Qatar-2 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.365 AU ( 54541132.5 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.504 AU ( 75390098.5 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.768 AU ( 114877826.3 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.130 AU ( 169047753.9 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Qatar-2)



    Kopparapu's Recent Venus for Star Qatar-2 distance : 0.401 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star Qatar-2 distance : 0.507 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star Qatar-2 distance : 0.490 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star Qatar-2 distance : 0.537 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star Qatar-2 distance : 0.933 AU
    Kopparapu's Outer Boundary for Early Mars for Star Qatar-2 distance : 0.984 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Qatar-2)



  • Original Kopparapu Recent Venus for Star Qatar-2 distance : 0.395 AU
  • Original Kopparapu Runaway Greenhouse for Star Qatar-2 distance : 0.523 AU
  • Original Kopparapu Moist Greenhouse for Star Qatar-2 distance : 0.523 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Qatar-2 distance : 0.948 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Qatar-2 distance : 0.986 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Qatar-2)



    (Position in Stellar Map of star Qatar-2 )



    (Zoomed position in Stellar Map of star Qatar-2 (zoom level 3))

    (Synthetic Spectrum of star Kepler-1535*)
    *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