TOI-277

Display orbital revolution around the star TOI-277
Imaginary Picture of Star TOI-277
Star Name : TOI-277
Alternate Name :
Star Distance (LY/pc): 210.9251 (LY) 64.6700 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.5230 (Rsun, estimated)
Stellar Mass (Msun): 0.5200 (Msun/observed) 0.5200 (Msun/estimated)
Spectral type : F5
Metalicity : -0.0100
Absolute Magnitude : 9.55
Apparent Magnitude : 13.60
Right Ascension(RA) : 19.07500
Declination(DEC) : -20.95333
  • This is the TOI-277 . The star TOI-277 islocated about 210.9 light-years (64.7 pc) away from our Solar System.
  • The star TOI-277 has apparent magnitude of 13.6, with absolute magnitude of 9.5.
  • It is 0.5 times more massive and 0.5 times bigger compared with our Sun. The surface temperature is 6668 with its spectral types of F5
  • Number of Extrasolar Planets : 2
  • Name of the 1 Planet TOI-277 radius 0.236400 mass 0.020538 orbital distance 0.026900
  • Name of the 2 Planet TOI-277 b radius 0.276120 mass 0.030800 orbital distance 0.026900
    (Illustration of the TOI-277's Planetary System)



    The Star TOI-277 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.504 AU ( 75361751.5 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.696 AU ( 104169635.0 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.061 AU ( 158731471.1 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.561 AU ( 233580313.2 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star TOI-277)



    Kopparapu's Recent Venus for Star TOI-277 distance : 0.495 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star TOI-277 distance : 0.627 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star TOI-277 distance : 0.606 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star TOI-277 distance : 0.663 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star TOI-277 distance : 1.088 AU
    Kopparapu's Outer Boundary for Early Mars for Star TOI-277 distance : 1.148 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star TOI-277)



  • Original Kopparapu Recent Venus for Star TOI-277 distance : 0.505 AU
  • Original Kopparapu Runaway Greenhouse for Star TOI-277 distance : 0.643 AU
  • Original Kopparapu Moist Greenhouse for Star TOI-277 distance : 0.669 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-277 distance : 1.108 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star TOI-277 distance : 1.152 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star TOI-277)



    (Position in Stellar Map of star TOI-277 )



    (Zoomed position in Stellar Map of star TOI-277 (zoom level 3))

    (Synthetic Spectrum of star Kepler-1671*)
    *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