Gaia-2

Display orbital revolution around the star Gaia-2
Imaginary Picture of Star Gaia-2
Star Name : Gaia-2
Alternate Name : EDR3 1107980654748582144
Star Distance (LY/pc): 675.7952 (LY) 207.2000 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 1.0640 (Rsun, estimated)
Stellar Mass (Msun): 1.0000 (Msun/observed) 1.0000 (Msun/estimated)
Spectral type : G4
Metalicity : 0.0000
Absolute Magnitude : 4.72
Apparent Magnitude : 11.30
Right Ascension(RA) : 110.73533
Declination(DEC) : 67.25266
  • This is the Gaia-2 . The star Gaia-2 islocated about 675.8 light-years (207.2 pc) away from our Solar System.
  • The star Gaia-2 has apparent magnitude of 11.3, with absolute magnitude of 4.7.
  • It is 1.0 times more massive and 1.1 times bigger compared with our Sun. The surface temperature is 5720 with its spectral types of G4
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet Gaia-2 b radius 1.327000 mass 0.773000 orbital distance 0.046700
    (Illustration of the Gaia-2's Planetary System)



    The Star Gaia-2 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.754 AU ( 112821481.4 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.042 AU ( 155948771.1 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.588 AU ( 237631415.8 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.338 AU ( 349685038.3 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Gaia-2)



    Kopparapu's Recent Venus for Star Gaia-2 distance : 0.784 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star Gaia-2 distance : 0.993 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star Gaia-2 distance : 0.959 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star Gaia-2 distance : 1.052 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star Gaia-2 distance : 1.757 AU
    Kopparapu's Outer Boundary for Early Mars for Star Gaia-2 distance : 1.853 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Gaia-2)



  • Original Kopparapu Recent Venus for Star Gaia-2 distance : 0.785 AU
  • Original Kopparapu Runaway Greenhouse for Star Gaia-2 distance : 1.021 AU
  • Original Kopparapu Moist Greenhouse for Star Gaia-2 distance : 1.038 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Gaia-2 distance : 1.788 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Gaia-2 distance : 1.859 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Gaia-2)



    (Position in Stellar Map of star Gaia-2 )



    (Zoomed position in Stellar Map of star Gaia-2 (zoom level 3))

    (Synthetic Spectrum of star GJ 625*)
    *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