KELT-2 A

Display orbital revolution around the star KELT-2 A
Imaginary Picture of Star KELT-2 A
Star Name : KELT-2 A
Alternate Name :
Star Distance (LY/pc): 420.4151 (LY) 128.9000 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 1.8420 (Rsun, estimated)
Stellar Mass (Msun): 1.3100 (Msun/observed) 1.3100 (Msun/estimated)
Spectral type : F7V
Metalicity : -0.0150
Absolute Magnitude : 3.15
Apparent Magnitude : 8.70
Right Ascension(RA) : 92.66395
Declination(DEC) : 30.95722
  • This is the KELT-2 A . The star KELT-2 A islocated about 420.4 light-years (128.9 pc) away from our Solar System.
  • The star KELT-2 A has apparent magnitude of 8.7, with absolute magnitude of 3.1.
  • It is 1.3 times more massive and 1.8 times bigger compared with our Sun. The surface temperature is 6148 with its spectral types of F7V
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet KELT-2 A b radius 1.306000 mass 1.486000 orbital distance 0.054980
    (Illustration of the KELT-2 A's Planetary System)



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

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.508 AU ( 225639670.0 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 2.085 AU ( 311892990.7 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 3.177 AU ( 475255896.1 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 4.675 AU ( 699359870.7 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star KELT-2 A)



    Kopparapu's Recent Venus for Star KELT-2 A distance : 1.529 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star KELT-2 A distance : 1.936 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star KELT-2 A distance : 1.869 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star KELT-2 A distance : 2.049 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star KELT-2 A distance : 3.389 AU
    Kopparapu's Outer Boundary for Early Mars for Star KELT-2 A distance : 3.574 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star KELT-2 A)



  • Original Kopparapu Recent Venus for Star KELT-2 A distance : 1.542 AU
  • Original Kopparapu Runaway Greenhouse for Star KELT-2 A distance : 1.987 AU
  • Original Kopparapu Moist Greenhouse for Star KELT-2 A distance : 2.041 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star KELT-2 A distance : 3.449 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star KELT-2 A distance : 3.587 AU

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



    (Position in Stellar Map of star KELT-2 A )



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

    (Synthetic Spectrum of star HD 155193*)
    *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