GJ 1252

Display orbital revolution around the star GJ 1252
Imaginary Picture of Star GJ 1252
Star Name : GJ 1252
Alternate Name :
Star Distance (LY/pc): 66.4867 (LY) 20.3849 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.3910 (Rsun, estimated)
Stellar Mass (Msun): 0.3810 (Msun/observed) 0.3810 (Msun/estimated)
Spectral type : M4
Metalicity : 0.1000
Absolute Magnitude : 10.45
Apparent Magnitude : 12.00
Right Ascension(RA) : 306.92500
Declination(DEC) : -56.45694
  • This is the GJ 1252 . The star GJ 1252 islocated about 66.5 light-years (20.4 pc) away from our Solar System.
  • The star GJ 1252 has apparent magnitude of 12.0, with absolute magnitude of 10.5.
  • It is 0.4 times more massive and 0.4 times bigger compared with our Sun. The surface temperature is 3458 with its spectral types of M4
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet GJ 1252 b radius 0.105300 mass 0.004150 orbital distance 0.009160
    (Illustration of the GJ 1252's Planetary System)



    The Star GJ 1252 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.101 AU ( 15152519.4 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.140 AU ( 20944741.6 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.213 AU ( 31915151.1 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.314 AU ( 46964543.0 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star GJ 1252)



    Kopparapu's Recent Venus for Star GJ 1252 distance : 0.115 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star GJ 1252 distance : 0.145 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star GJ 1252 distance : 0.140 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star GJ 1252 distance : 0.153 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star GJ 1252 distance : 0.283 AU
    Kopparapu's Outer Boundary for Early Mars for Star GJ 1252 distance : 0.298 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star GJ 1252)



  • Original Kopparapu Recent Venus for Star GJ 1252 distance : 0.114 AU
  • Original Kopparapu Runaway Greenhouse for Star GJ 1252 distance : 0.150 AU
  • Original Kopparapu Moist Greenhouse for Star GJ 1252 distance : 0.150 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star GJ 1252 distance : 0.287 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star GJ 1252 distance : 0.298 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star GJ 1252)



    (Position in Stellar Map of star GJ 1252 )



    (Zoomed position in Stellar Map of star GJ 1252 (zoom level 3))

    (Synthetic Spectrum of star GJ 163*)
    *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