HD 199509 A

Display orbital revolution around the star HD 199509 A
Imaginary Picture of Star HD 199509 A
Star Name : HD 199509 A
Alternate Name :
Star Distance (LY/pc): 79.2742 (LY) 24.3056 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.9000 (Rsun, estimated)
Stellar Mass (Msun): 1.0400 (Msun/observed) 1.0400 (Msun/estimated)
Spectral type : G2V
Metalicity : -0.3070
Absolute Magnitude : 5.07
Apparent Magnitude : 7.00
Right Ascension(RA) : 317.33636
Declination(DEC) : -82.02725
  • This is the HD 199509 A . The star HD 199509 A islocated about 79.3 light-years (24.3 pc) away from our Solar System.
  • The star HD 199509 A has apparent magnitude of 7.0, with absolute magnitude of 5.1.
  • It is 1.0 times more massive and 0.9 times bigger compared with our Sun. The surface temperature is 5796 with its spectral types of G2V
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet HD 199509 Ab radius 0.275270 mass 0.136000 orbital distance 0.426000
    (Illustration of the HD 199509 A's Planetary System)



    The Star HD 199509 A 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.655 AU ( 97984498.8 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.905 AU ( 135440183.8 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.380 AU ( 206380867.2 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.030 AU ( 303698487.0 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 199509 A)



    Kopparapu's Recent Venus for Star HD 199509 A distance : 0.678 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star HD 199509 A distance : 0.859 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star HD 199509 A distance : 0.829 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star HD 199509 A distance : 0.909 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star HD 199509 A distance : 1.516 AU
    Kopparapu's Outer Boundary for Early Mars for Star HD 199509 A distance : 1.599 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 199509 A)



  • Original Kopparapu Recent Venus for Star HD 199509 A distance : 0.679 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 199509 A distance : 0.882 AU
  • Original Kopparapu Moist Greenhouse for Star HD 199509 A distance : 0.899 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 199509 A distance : 1.542 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 199509 A distance : 1.604 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 199509 A)



    (Position in Stellar Map of star HD 199509 A )



    (Zoomed position in Stellar Map of star HD 199509 A (zoom level 3))

    (Synthetic Spectrum of star HD 102195*)
    *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