GJ 720 A

Display orbital revolution around the star GJ 720 A
Imaginary Picture of Star GJ 720 A
Star Name : GJ 720 A
Alternate Name : "BD+45 2743, LHS 3394, LDS 6329 A"
Star Distance (LY/pc): 50.7401 (LY) 15.5570 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.5600 (Rsun, estimated)
Stellar Mass (Msun): 0.5700 (Msun/observed) 0.5700 (Msun/estimated)
Spectral type : M0.5V
Metalicity : -0.1400
Absolute Magnitude : 9.04
Apparent Magnitude : 10.00
Right Ascension(RA) : 278.82917
Declination(DEC) : 45.74556
  • This is the GJ 720 A . The star GJ 720 A islocated about 50.7 light-years (15.6 pc) away from our Solar System.
  • The star GJ 720 A has apparent magnitude of 10.0, with absolute magnitude of 9.0.
  • It is 0.6 times more massive and 0.6 times bigger compared with our Sun. The surface temperature is 3837 with its spectral types of M0.5V
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet GJ 720 Ab radius 0.211133 mass 0.042920 orbital distance 0.119000
    (Illustration of the GJ 720 A's Planetary System)



    The Star GJ 720 A 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.179 AU ( 26719586.8 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.247 AU ( 36933451.6 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.376 AU ( 56278406.9 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.554 AU ( 82816141.2 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star GJ 720 A)



    Kopparapu's Recent Venus for Star GJ 720 A distance : 0.201 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star GJ 720 A distance : 0.254 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star GJ 720 A distance : 0.245 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star GJ 720 A distance : 0.269 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star GJ 720 A distance : 0.486 AU
    Kopparapu's Outer Boundary for Early Mars for Star GJ 720 A distance : 0.513 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star GJ 720 A)



  • Original Kopparapu Recent Venus for Star GJ 720 A distance : 0.199 AU
  • Original Kopparapu Runaway Greenhouse for Star GJ 720 A distance : 0.263 AU
  • Original Kopparapu Moist Greenhouse for Star GJ 720 A distance : 0.263 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star GJ 720 A distance : 0.494 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star GJ 720 A distance : 0.514 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star GJ 720 A)



    (Position in Stellar Map of star GJ 720 A )



    (Zoomed position in Stellar Map of star GJ 720 A (zoom level 3))

    (Synthetic Spectrum of star Elias 2-27*)
    *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