HAT-P-2

Display orbital revolution around the star HAT-P-2
Imaginary Picture of Star HAT-P-2
Star Name : HAT-P-2
Alternate Name :
Star Distance (LY/pc): inf (LY) inf (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 1.5400 (Rsun, estimated)
Stellar Mass (Msun): 1.3400 (Msun/observed) 1.3400 (Msun/estimated)
Spectral type : F8
Metalicity : 0.0400
Absolute Magnitude : -inf
Apparent Magnitude : 8.71
Right Ascension(RA) : 245.15000
Declination(DEC) : 41.04806
  • This is the HAT-P-2 . The star HAT-P-2 islocated about inf light-years ( inf pc) away from our Solar System.
  • The star HAT-P-2 has apparent magnitude of 8.7, with absolute magnitude of -inf.
  • It is 1.3 times more massive and 1.5 times bigger compared with our Sun. The surface temperature is 6414 with its spectral types of F8
  • Number of Extrasolar Planets : 2
  • Name of the 1 Planet HAT-P-2 b radius 0.951000 mass 8.740000 orbital distance 0.067400
  • Name of the 2 Planet HAT-P-2 c radius 0.907830 mass 104.000000 orbital distance 4.000000
    (Illustration of the HAT-P-2's Planetary System)



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

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.372 AU ( 205322595.0 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.897 AU ( 283809483.5 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.891 AU ( 432462845.9 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 4.254 AU ( 636388022.7 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HAT-P-2)



    Kopparapu's Recent Venus for Star HAT-P-2 distance : 1.369 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star HAT-P-2 distance : 1.734 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star HAT-P-2 distance : 1.674 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star HAT-P-2 distance : 1.834 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star HAT-P-2 distance : 3.020 AU
    Kopparapu's Outer Boundary for Early Mars for Star HAT-P-2 distance : 3.185 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HAT-P-2)



  • Original Kopparapu Recent Venus for Star HAT-P-2 distance : 1.390 AU
  • Original Kopparapu Runaway Greenhouse for Star HAT-P-2 distance : 1.778 AU
  • Original Kopparapu Moist Greenhouse for Star HAT-P-2 distance : 1.839 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HAT-P-2 distance : 3.074 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HAT-P-2 distance : 3.197 AU

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



    (Position in Stellar Map of star HAT-P-2 )



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

    (Synthetic Spectrum of star GJ 676 A*)
    *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