Kepler-38 A

Display orbital revolution around the star Kepler-38 A
Imaginary Picture of Star Kepler-38 A
Star Name : Kepler-38 A
Alternate Name :
Star Distance (LY/pc): 3965.4225 (LY) 1215.8055 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 1.7570 (Rsun, estimated)
Stellar Mass (Msun): 0.9490 (Msun/observed) 0.9490 (Msun/estimated)
Spectral type : G5
Metalicity : -0.1580
Absolute Magnitude : 3.88
Apparent Magnitude : 14.30
Right Ascension(RA) : 286.83034
Declination(DEC) : 42.27920
  • This is the Kepler-38 A . The star Kepler-38 A islocated about 3965.4 light-years (1215.8 pc) away from our Solar System.
  • The star Kepler-38 A has apparent magnitude of 14.3, with absolute magnitude of 3.9.
  • It is 0.9 times more massive and 1.8 times bigger compared with our Sun. The surface temperature is 5640 with its spectral types of G5
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet Kepler-38 (AB) b radius 0.390000 mass 0.380000 orbital distance 0.464400
    (Illustration of the Kepler-38 A's Planetary System)



    The Star Kepler-38 A 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.211 AU ( 181129038.6 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.674 AU ( 250367666.0 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.550 AU ( 381504916.7 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 3.753 AU ( 561401197.6 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-38 A)



    Kopparapu's Recent Venus for Star Kepler-38 A distance : 1.265 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star Kepler-38 A distance : 1.602 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-38 A distance : 1.547 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star Kepler-38 A distance : 1.697 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star Kepler-38 A distance : 2.840 AU
    Kopparapu's Outer Boundary for Early Mars for Star Kepler-38 A distance : 2.996 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-38 A)



  • Original Kopparapu Recent Venus for Star Kepler-38 A distance : 1.264 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-38 A distance : 1.647 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-38 A distance : 1.672 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-38 A distance : 2.890 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-38 A distance : 3.005 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-38 A)



    (Position in Stellar Map of star Kepler-38 A )



    (Zoomed position in Stellar Map of star Kepler-38 A (zoom level 3))

    (Synthetic Spectrum of star HD 240237*)
    *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