KMT-2021-BLG-1898

Display orbital revolution around the star KMT-2021-BLG-1898
Imaginary Picture of Star KMT-2021-BLG-1898
Star Name : KMT-2021-BLG-1898
Alternate Name :
Star Distance (LY/pc): 22504.7640 (LY) 6900.0000 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.4534 (Rsun, estimated)
Stellar Mass (Msun): 0.4800 (Msun/observed) 0.4800 (Msun/estimated)
Spectral type : M9
Metalicity : 0.0000
Absolute Magnitude : 7.81
Apparent Magnitude : 22.00
Right Ascension(RA) : 265.69167
Declination(DEC) : -27.37583
  • This is the KMT-2021-BLG-1898 . The star KMT-2021-BLG-1898 islocated about 22504.8 light-years (6900.0 pc) away from our Solar System.
  • The star KMT-2021-BLG-1898 has apparent magnitude of 22.0, with absolute magnitude of 7.8.
  • It is 0.5 times more massive and 0.5 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-1898 b radius 0.907830 mass 0.760000 orbital distance 2.500000
    (Illustration of the KMT-2021-BLG-1898's Planetary System)



    The Star KMT-2021-BLG-1898 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.107 AU ( 16002587.5 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.148 AU ( 22119757.9 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.225 AU ( 33705615.9 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.332 AU ( 49599290.4 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star KMT-2021-BLG-1898)



    Kopparapu's Recent Venus for Star KMT-2021-BLG-1898 distance : 0.116 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star KMT-2021-BLG-1898 distance : 0.147 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star KMT-2021-BLG-1898 distance : 0.142 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star KMT-2021-BLG-1898 distance : 0.155 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star KMT-2021-BLG-1898 distance : 0.288 AU
    Kopparapu's Outer Boundary for Early Mars for Star KMT-2021-BLG-1898 distance : 0.304 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star KMT-2021-BLG-1898)



  • Original Kopparapu Recent Venus for Star KMT-2021-BLG-1898 distance : 0.115 AU
  • Original Kopparapu Runaway Greenhouse for Star KMT-2021-BLG-1898 distance : 0.152 AU
  • Original Kopparapu Moist Greenhouse for Star KMT-2021-BLG-1898 distance : 0.152 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star KMT-2021-BLG-1898 distance : 0.293 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star KMT-2021-BLG-1898 distance : 0.304 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star KMT-2021-BLG-1898)



    (Position in Stellar Map of star KMT-2021-BLG-1898 )



    (Zoomed position in Stellar Map of star KMT-2021-BLG-1898 (zoom level 3))

    (Synthetic Spectrum of star HD 196067*)
    *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