K2-19

Display orbital revolution around the star K2-19
Imaginary Picture of Star K2-19
Star Name : K2-19
Alternate Name : "EPIC 201505350, 2MASS J11395048+0036129, WISE J113950.46+003612.9"
Star Distance (LY/pc): 976.2227 (LY) 299.3116 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.8600 (Rsun, estimated)
Stellar Mass (Msun): 0.9300 (Msun/observed) 0.9300 (Msun/estimated)
Spectral type : G9 V
Metalicity : 0.1000
Absolute Magnitude : 5.43
Apparent Magnitude : 12.81
Right Ascension(RA) : 174.96032
Declination(DEC) : 0.60357
  • This is the K2-19 . The star K2-19 islocated about 976.2 light-years (299.3 pc) away from our Solar System.
  • The star K2-19 has apparent magnitude of 12.8, with absolute magnitude of 5.4.
  • It is 0.9 times more massive and 0.9 times bigger compared with our Sun. The surface temperature is 5430 with its spectral types of G9 V
  • Number of Extrasolar Planets : 3
  • Name of the 1 Planet K2-19 b radius 0.691000 mass 0.101900 orbital distance 0.074000
  • Name of the 2 Planet K2-19 c radius 0.434000 mass 0.034000 orbital distance 0.097100
  • Name of the 3 Planet K2-19 d radius 0.102000 mass 0.031000 orbital distance 0.034400
    (Illustration of the K2-19's Planetary System)



    The Star K2-19 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.549 AU ( 82178124.0 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.759 AU ( 113591643.1 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.157 AU ( 173088526.3 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.703 AU ( 254707349.0 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star K2-19)



    Kopparapu's Recent Venus for Star K2-19 distance : 0.581 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star K2-19 distance : 0.736 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star K2-19 distance : 0.711 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star K2-19 distance : 0.779 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star K2-19 distance : 1.313 AU
    Kopparapu's Outer Boundary for Early Mars for Star K2-19 distance : 1.385 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star K2-19)



  • Original Kopparapu Recent Venus for Star K2-19 distance : 0.578 AU
  • Original Kopparapu Runaway Greenhouse for Star K2-19 distance : 0.757 AU
  • Original Kopparapu Moist Greenhouse for Star K2-19 distance : 0.765 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star K2-19 distance : 1.335 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star K2-19 distance : 1.389 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star K2-19)



    (Position in Stellar Map of star K2-19 )



    (Zoomed position in Stellar Map of star K2-19 (zoom level 3))

    (Synthetic Spectrum of star Kepler-834*)
    *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