TOI-554

Display orbital revolution around the star TOI-554
Imaginary Picture of Star TOI-554
Star Name : TOI-554
Alternate Name : HD 25463
Star Distance (LY/pc): 148.7862 (LY) 45.6181 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 1.4300 (Rsun, estimated)
Stellar Mass (Msun): 1.2400 (Msun/observed) 1.2400 (Msun/estimated)
Spectral type : F8
Metalicity : 0.0000
Absolute Magnitude : 3.60
Apparent Magnitude : 6.90
Right Ascension(RA) : 60.75000
Declination(DEC) : 9.20778
  • This is the TOI-554 . The star TOI-554 islocated about 148.8 light-years (45.6 pc) away from our Solar System.
  • The star TOI-554 has apparent magnitude of 6.9, with absolute magnitude of 3.6.
  • It is 1.2 times more massive and 1.4 times bigger compared with our Sun. The surface temperature is 6338 with its spectral types of F8
  • Number of Extrasolar Planets : 2
  • Name of the 1 Planet TOI-554 b radius 0.233700 mass 0.027400 orbital distance 0.076000
  • Name of the 2 Planet TOI-554 c radius 0.134000 mass 0.013500 orbital distance 0.044300
    (Illustration of the TOI-554's Planetary System)



    The Star TOI-554 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.244 AU ( 186165250.8 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.720 AU ( 257329027.3 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.621 AU ( 392112490.9 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 3.857 AU ( 577010707.7 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star TOI-554)



    Kopparapu's Recent Venus for Star TOI-554 distance : 1.247 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star TOI-554 distance : 1.579 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star TOI-554 distance : 1.525 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star TOI-554 distance : 1.670 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star TOI-554 distance : 2.754 AU
    Kopparapu's Outer Boundary for Early Mars for Star TOI-554 distance : 2.905 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star TOI-554)



  • Original Kopparapu Recent Venus for Star TOI-554 distance : 1.263 AU
  • Original Kopparapu Runaway Greenhouse for Star TOI-554 distance : 1.619 AU
  • Original Kopparapu Moist Greenhouse for Star TOI-554 distance : 1.672 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-554 distance : 2.804 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star TOI-554 distance : 2.916 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star TOI-554)



    (Position in Stellar Map of star TOI-554 )



    (Zoomed position in Stellar Map of star TOI-554 (zoom level 3))

    (Synthetic Spectrum of star Kepler-1700*)
    *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