GJ 649

Display orbital revolution around the star GJ 649
Imaginary Picture of Star GJ 649
Star Name : GJ 649
Alternate Name :
Star Distance (LY/pc): 33.8406 (LY) 10.3756 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.4960 (Rsun, estimated)
Stellar Mass (Msun): 0.5400 (Msun/observed) 0.5400 (Msun/estimated)
Spectral type : M1.5
Metalicity : 0.0800
Absolute Magnitude : 9.62
Apparent Magnitude : 9.70
Right Ascension(RA) : 254.53750
Declination(DEC) : 25.74417
  • This is the GJ 649 . The star GJ 649 islocated about 33.8 light-years (10.4 pc) away from our Solar System.
  • The star GJ 649 has apparent magnitude of 9.7, with absolute magnitude of 9.6.
  • It is 0.5 times more massive and 0.5 times bigger compared with our Sun. The surface temperature is 3700 with its spectral types of M1.5
  • Number of Extrasolar Planets : 2
  • Name of the 1 Planet GJ 649 b radius 0.907830 mass 0.328000 orbital distance 1.135000
  • Name of the 2 Planet GJ 649 c radius 0.160521 mass 0.030000 orbital distance 0.043000
    (Illustration of the GJ 649's Planetary System)



    The Star GJ 649 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.147 AU ( 22007473.3 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.203 AU ( 30420079.3 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.310 AU ( 46353469.0 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.456 AU ( 68211160.2 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star GJ 649)



    Kopparapu's Recent Venus for Star GJ 649 distance : 0.191 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star GJ 649 distance : 0.242 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star GJ 649 distance : 0.234 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star GJ 649 distance : 0.256 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star GJ 649 distance : 0.466 AU
    Kopparapu's Outer Boundary for Early Mars for Star GJ 649 distance : 0.492 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star GJ 649)



  • Original Kopparapu Recent Venus for Star GJ 649 distance : 0.189 AU
  • Original Kopparapu Runaway Greenhouse for Star GJ 649 distance : 0.250 AU
  • Original Kopparapu Moist Greenhouse for Star GJ 649 distance : 0.250 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star GJ 649 distance : 0.473 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star GJ 649 distance : 0.492 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star GJ 649)



    (Position in Stellar Map of star GJ 649 )



    (Zoomed position in Stellar Map of star GJ 649 (zoom level 3))

    (Synthetic Spectrum of star EPIC 212737443*)
    *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