GJ 273

Display orbital revolution around the star GJ 273
Imaginary Picture of Star GJ 273
Star Name : GJ 273
Alternate Name :
Star Distance (LY/pc): 12.3939 (LY) 3.8000 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.2930 (Rsun, estimated)
Stellar Mass (Msun): 0.2900 (Msun/observed) 0.2900 (Msun/estimated)
Spectral type : M3.5
Metalicity : 0.0900
Absolute Magnitude : 11.97
Apparent Magnitude : 9.87
Right Ascension(RA) : 111.85208
Declination(DEC) : 5.22578
  • This is the GJ 273 . The star GJ 273 islocated about 12.4 light-years ( 3.8 pc) away from our Solar System.
  • The star GJ 273 has apparent magnitude of 9.9, with absolute magnitude of 12.0.
  • It is 0.3 times more massive and 0.3 times bigger compared with our Sun. The surface temperature is 3382 with its spectral types of M3.5
  • Number of Extrasolar Planets : 4
  • Name of the 1 Planet GJ 273 b radius 0.118861 mass 0.009220 orbital distance 0.091000
  • Name of the 2 Planet GJ 273 c radius 0.093741 mass 0.003740 orbital distance 0.036000
  • Name of the 3 Planet GJ 273 d radius 0.200764 mass 0.034480 orbital distance 0.712000
  • Name of the 4 Planet GJ 273 e radius 0.160117 mass 0.029700 orbital distance 0.849000
    (Illustration of the GJ 273's Planetary System)



    The Star GJ 273 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.073 AU ( 10861078.2 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.100 AU ( 15012848.4 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.153 AU ( 22876258.6 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.225 AU ( 33663416.6 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star GJ 273)



    Kopparapu's Recent Venus for Star GJ 273 distance : 0.082 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star GJ 273 distance : 0.104 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star GJ 273 distance : 0.100 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star GJ 273 distance : 0.110 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star GJ 273 distance : 0.203 AU
    Kopparapu's Outer Boundary for Early Mars for Star GJ 273 distance : 0.215 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star GJ 273)



  • Original Kopparapu Recent Venus for Star GJ 273 distance : 0.082 AU
  • Original Kopparapu Runaway Greenhouse for Star GJ 273 distance : 0.108 AU
  • Original Kopparapu Moist Greenhouse for Star GJ 273 distance : 0.108 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star GJ 273 distance : 0.207 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star GJ 273 distance : 0.215 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star GJ 273)



    (Position in Stellar Map of star GJ 273 )



    (Zoomed position in Stellar Map of star GJ 273 (zoom level 3))

    (Synthetic Spectrum of star DMPP-4*)
    *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