KMT-2021-BLG-1931

Display orbital revolution around the star KMT-2021-BLG-1931
Imaginary Picture of Star KMT-2021-BLG-1931
Star Name : KMT-2021-BLG-1931
Alternate Name :
Star Distance (LY/pc): 18656.1232 (LY) 5720.0000 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.3751 (Rsun, estimated)
Stellar Mass (Msun): 0.3700 (Msun/observed) 0.3700 (Msun/estimated)
Spectral type : M9
Metalicity : 0.0000
Absolute Magnitude : 8.21
Apparent Magnitude : 22.00
Right Ascension(RA) : 270.68333
Declination(DEC) : -23.06056
  • This is the KMT-2021-BLG-1931 . The star KMT-2021-BLG-1931 islocated about 18656.1 light-years (5720.0 pc) away from our Solar System.
  • The star KMT-2021-BLG-1931 has apparent magnitude of 22.0, with absolute magnitude of 8.2.
  • It is 0.4 times more massive and 0.4 times bigger compared with our Sun. The surface temperature is 3300 with its spectral types of M9
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet KMT-2021-BLG-1931 b radius 0.133131 mass 0.014320 orbital distance 2.290000
    (Illustration of the KMT-2021-BLG-1931's Planetary System)



    The Star KMT-2021-BLG-1931 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.088 AU ( 13238888.5 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.122 AU ( 18299603.7 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.186 AU ( 27884546.4 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.274 AU ( 41033331.5 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star KMT-2021-BLG-1931)



    Kopparapu's Recent Venus for Star KMT-2021-BLG-1931 distance : 0.116 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star KMT-2021-BLG-1931 distance : 0.147 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star KMT-2021-BLG-1931 distance : 0.142 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star KMT-2021-BLG-1931 distance : 0.155 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star KMT-2021-BLG-1931 distance : 0.288 AU
    Kopparapu's Outer Boundary for Early Mars for Star KMT-2021-BLG-1931 distance : 0.304 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star KMT-2021-BLG-1931)



  • Original Kopparapu Recent Venus for Star KMT-2021-BLG-1931 distance : 0.115 AU
  • Original Kopparapu Runaway Greenhouse for Star KMT-2021-BLG-1931 distance : 0.152 AU
  • Original Kopparapu Moist Greenhouse for Star KMT-2021-BLG-1931 distance : 0.152 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star KMT-2021-BLG-1931 distance : 0.293 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star KMT-2021-BLG-1931 distance : 0.304 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star KMT-2021-BLG-1931)



    (Position in Stellar Map of star KMT-2021-BLG-1931 )



    (Zoomed position in Stellar Map of star KMT-2021-BLG-1931 (zoom level 3))

    (Synthetic Spectrum of star HD 196885 A*)
    *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