TOI-1778

Display orbital revolution around the star TOI-1778
Imaginary Picture of Star TOI-1778
Star Name : TOI-1778
Alternate Name : "HD 77946, HIP 44746"
Star Distance (LY/pc): 322.8944 (LY) 99.0000 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 1.3100 (Rsun, estimated)
Stellar Mass (Msun): 1.1700 (Msun/observed) 1.1700 (Msun/estimated)
Spectral type : F9/G0IV-V
Metalicity : 0.1800
Absolute Magnitude : 4.02
Apparent Magnitude : 9.00
Right Ascension(RA) : 136.77807
Declination(DEC) : 46.67260
  • This is the TOI-1778 . The star TOI-1778 islocated about 322.9 light-years (99.0 pc) away from our Solar System.
  • The star TOI-1778 has apparent magnitude of 9.0, with absolute magnitude of 4.0.
  • It is 1.2 times more massive and 1.3 times bigger compared with our Sun. The surface temperature is 6046 with its spectral types of F9/G0IV-V
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet TOI-1778 b radius 0.241330 mass 0.026370 orbital distance 0.072000
    (Illustration of the TOI-1778's Planetary System)



    The Star TOI-1778 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.037 AU ( 155190700.6 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.434 AU ( 214514104.4 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.185 AU ( 326872023.3 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 3.215 AU ( 481006501.6 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star TOI-1778)



    Kopparapu's Recent Venus for Star TOI-1778 distance : 1.058 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star TOI-1778 distance : 1.340 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star TOI-1778 distance : 1.294 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star TOI-1778 distance : 1.418 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star TOI-1778 distance : 2.350 AU
    Kopparapu's Outer Boundary for Early Mars for Star TOI-1778 distance : 2.479 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star TOI-1778)



  • Original Kopparapu Recent Venus for Star TOI-1778 distance : 1.065 AU
  • Original Kopparapu Runaway Greenhouse for Star TOI-1778 distance : 1.375 AU
  • Original Kopparapu Moist Greenhouse for Star TOI-1778 distance : 1.409 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-1778 distance : 2.392 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star TOI-1778 distance : 2.488 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star TOI-1778)



    (Position in Stellar Map of star TOI-1778 )



    (Zoomed position in Stellar Map of star TOI-1778 (zoom level 3))

    (Synthetic Spectrum of star Kepler-1868*)
    *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