GJ 436

Display orbital revolution around the star GJ 436
Imaginary Picture of Star GJ 436
Star Name : GJ 436
Alternate Name :
Star Distance (LY/pc): 33.2679 (LY) 10.2000 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.4640 (Rsun, estimated)
Stellar Mass (Msun): 0.4520 (Msun/observed) 0.4520 (Msun/estimated)
Spectral type : M2.5
Metalicity : -0.3200
Absolute Magnitude : 10.64
Apparent Magnitude : 10.68
Right Ascension(RA) : 175.54622
Declination(DEC) : 26.70639
  • This is the GJ 436 . The star GJ 436 islocated about 33.3 light-years (10.2 pc) away from our Solar System.
  • The star GJ 436 has apparent magnitude of 10.7, with absolute magnitude of 10.6.
  • It is 0.5 times more massive and 0.5 times bigger compared with our Sun. The surface temperature is 3684 with its spectral types of M2.5
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet GJ 436 b radius 0.325190 mass 0.058360 orbital distance 0.028870
    (Illustration of the GJ 436's Planetary System)



    The Star GJ 436 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.136 AU ( 20408699.7 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.189 AU ( 28210156.5 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.287 AU ( 42986035.6 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.423 AU ( 63255834.4 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star GJ 436)



    Kopparapu's Recent Venus for Star GJ 436 distance : 0.154 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star GJ 436 distance : 0.195 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star GJ 436 distance : 0.188 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star GJ 436 distance : 0.206 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star GJ 436 distance : 0.375 AU
    Kopparapu's Outer Boundary for Early Mars for Star GJ 436 distance : 0.396 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star GJ 436)



  • Original Kopparapu Recent Venus for Star GJ 436 distance : 0.152 AU
  • Original Kopparapu Runaway Greenhouse for Star GJ 436 distance : 0.201 AU
  • Original Kopparapu Moist Greenhouse for Star GJ 436 distance : 0.201 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star GJ 436 distance : 0.381 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star GJ 436 distance : 0.396 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star GJ 436)



    (Position in Stellar Map of star GJ 436 )



    (Zoomed position in Stellar Map of star GJ 436 (zoom level 3))

    (Synthetic Spectrum of star EPIC 201238110*)
    *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