TOI-444

Display orbital revolution around the star TOI-444
Imaginary Picture of Star TOI-444
Star Name : TOI-444
Alternate Name :
Star Distance (LY/pc): 187.2047 (LY) 57.3973 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.7800 (Rsun, estimated)
Stellar Mass (Msun): 0.9600 (Msun/observed) 0.9600 (Msun/estimated)
Spectral type : K0
Metalicity : 0.0800
Absolute Magnitude : 6.11
Apparent Magnitude : 9.90
Right Ascension(RA) : 10.18333
Declination(DEC) : -26.76639
  • This is the TOI-444 . The star TOI-444 islocated about 187.2 light-years (57.4 pc) away from our Solar System.
  • The star TOI-444 has apparent magnitude of 9.9, with absolute magnitude of 6.1.
  • It is 1.0 times more massive and 0.8 times bigger compared with our Sun. The surface temperature is 5225 with its spectral types of K0
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet TOI-444 b radius 0.247100 mass 0.021401 orbital distance 0.133000
    (Illustration of the TOI-444's Planetary System)



    The Star TOI-444 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.461 AU ( 69012109.8 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.638 AU ( 95392770.8 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.972 AU ( 145357472.3 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.430 AU ( 213899888.2 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star TOI-444)



    Kopparapu's Recent Venus for Star TOI-444 distance : 0.493 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star TOI-444 distance : 0.625 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star TOI-444 distance : 0.603 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star TOI-444 distance : 0.662 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star TOI-444 distance : 1.123 AU
    Kopparapu's Outer Boundary for Early Mars for Star TOI-444 distance : 1.184 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star TOI-444)



  • Original Kopparapu Recent Venus for Star TOI-444 distance : 0.489 AU
  • Original Kopparapu Runaway Greenhouse for Star TOI-444 distance : 0.643 AU
  • Original Kopparapu Moist Greenhouse for Star TOI-444 distance : 0.648 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-444 distance : 1.142 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star TOI-444 distance : 1.187 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star TOI-444)



    (Position in Stellar Map of star TOI-444 )



    (Zoomed position in Stellar Map of star TOI-444 (zoom level 3))

    (Synthetic Spectrum of star Kepler-1683*)
    *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