GJ 849

Display orbital revolution around the star GJ 849
Imaginary Picture of Star GJ 849
Star Name : GJ 849
Alternate Name :
Star Distance (LY/pc): 28.7996 (LY) 8.8300 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.5200 (Rsun, estimated)
Stellar Mass (Msun): 0.4900 (Msun/observed) 0.4900 (Msun/estimated)
Spectral type : M3.5V
Metalicity : 0.2200
Absolute Magnitude : 10.64
Apparent Magnitude : 10.37
Right Ascension(RA) : 332.41810
Declination(DEC) : -4.64080
  • This is the GJ 849 . The star GJ 849 islocated about 28.8 light-years ( 8.8 pc) away from our Solar System.
  • The star GJ 849 has apparent magnitude of 10.4, 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 3500 with its spectral types of M3.5V
  • Number of Extrasolar Planets : 2
  • Name of the 1 Planet GJ 849 b radius 0.907830 mass 0.900000 orbital distance 2.350000
  • Name of the 2 Planet GJ 849 c radius 0.907830 mass 0.770000 orbital distance 0.000000
    (Illustration of the GJ 849's Planetary System)



    The Star GJ 849 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.138 AU ( 20644175.6 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.191 AU ( 28535645.7 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.291 AU ( 43482009.1 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.428 AU ( 63985681.2 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star GJ 849)



    Kopparapu's Recent Venus for Star GJ 849 distance : 0.156 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star GJ 849 distance : 0.197 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star GJ 849 distance : 0.191 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star GJ 849 distance : 0.208 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star GJ 849 distance : 0.384 AU
    Kopparapu's Outer Boundary for Early Mars for Star GJ 849 distance : 0.405 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star GJ 849)



  • Original Kopparapu Recent Venus for Star GJ 849 distance : 0.155 AU
  • Original Kopparapu Runaway Greenhouse for Star GJ 849 distance : 0.204 AU
  • Original Kopparapu Moist Greenhouse for Star GJ 849 distance : 0.205 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star GJ 849 distance : 0.390 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star GJ 849 distance : 0.406 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star GJ 849)



    (Position in Stellar Map of star GJ 849 )



    (Zoomed position in Stellar Map of star GJ 849 (zoom level 3))

    (Synthetic Spectrum of star GJ 15A*)
    *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