TOI-1820

Display orbital revolution around the star TOI-1820
Imaginary Picture of Star TOI-1820
Star Name : TOI-1820
Alternate Name :
Star Distance (LY/pc): 815.3900 (LY) 250.0000 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 1.5100 (Rsun, estimated)
Stellar Mass (Msun): 1.0400 (Msun/observed) 1.0400 (Msun/estimated)
Spectral type : G3
Metalicity : 0.1400
Absolute Magnitude : 4.01
Apparent Magnitude : 11.00
Right Ascension(RA) : 187.68750
Declination(DEC) : 27.45222
  • This is the TOI-1820 . The star TOI-1820 islocated about 815.4 light-years (250.0 pc) away from our Solar System.
  • The star TOI-1820 has apparent magnitude of 11.0, with absolute magnitude of 4.0.
  • It is 1.0 times more massive and 1.5 times bigger compared with our Sun. The surface temperature is 5734 with its spectral types of G3
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet TOI-1820 b radius 1.120000 mass 2.300000 orbital distance 0.069000
    (Illustration of the TOI-1820's Planetary System)



    The Star TOI-1820 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.076 AU ( 160897922.7 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.487 AU ( 222402976.8 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.265 AU ( 338892918.9 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 3.334 AU ( 498695776.1 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star TOI-1820)



    Kopparapu's Recent Venus for Star TOI-1820 distance : 1.118 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star TOI-1820 distance : 1.415 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star TOI-1820 distance : 1.367 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star TOI-1820 distance : 1.499 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star TOI-1820 distance : 2.502 AU
    Kopparapu's Outer Boundary for Early Mars for Star TOI-1820 distance : 2.639 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star TOI-1820)



  • Original Kopparapu Recent Venus for Star TOI-1820 distance : 1.118 AU
  • Original Kopparapu Runaway Greenhouse for Star TOI-1820 distance : 1.455 AU
  • Original Kopparapu Moist Greenhouse for Star TOI-1820 distance : 1.480 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-1820 distance : 2.546 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star TOI-1820 distance : 2.648 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star TOI-1820)



    (Position in Stellar Map of star TOI-1820 )



    (Zoomed position in Stellar Map of star TOI-1820 (zoom level 3))

    (Synthetic Spectrum of star Kepler-1877 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