Kepler-181

Display orbital revolution around the star Kepler-181
Imaginary Picture of Star Kepler-181
Star Name : Kepler-181
Alternate Name : "2MASS J19443633+5005449, KIC 11823054, KOI-543, WISE J194436.31+500544.8"
Star Distance (LY/pc): 2022.4607 (LY) 620.0900 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.7500 (Rsun, estimated)
Stellar Mass (Msun): 0.0000 (Msun/observed) 0.8576 (Msun/estimated)
Spectral type : K0
Metalicity : -0.1620
Absolute Magnitude : 4.40
Apparent Magnitude : 13.36
Right Ascension(RA) : 296.15140
Declination(DEC) : 50.09581
  • This is the Kepler-181 . The star Kepler-181 islocated about 2022.5 light-years (620.1 pc) away from our Solar System.
  • The star Kepler-181 has apparent magnitude of 13.4, with absolute magnitude of 4.4.
  • Number of Extrasolar Planets : 2
  • Name of the 1 Planet Kepler-181 b radius 0.113000 mass 0.007217 orbital distance 0.040000
  • Name of the 2 Planet Kepler-181 c radius 0.178000 mass 0.015775 orbital distance 0.049000
    (Illustration of the Kepler-181's Planetary System)



    The Star Kepler-181 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.462 AU ( 69129361.1 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.639 AU ( 95554842.7 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.973 AU ( 145604434.1 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.432 AU ( 214263303.3 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-181)



    Kopparapu's Recent Venus for Star Kepler-181 distance : 0.491 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star Kepler-181 distance : 0.622 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-181 distance : 0.601 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star Kepler-181 distance : 0.659 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star Kepler-181 distance : 1.114 AU
    Kopparapu's Outer Boundary for Early Mars for Star Kepler-181 distance : 1.175 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-181)



  • Original Kopparapu Recent Venus for Star Kepler-181 distance : 0.488 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-181 distance : 0.640 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-181 distance : 0.646 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-181 distance : 1.133 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-181 distance : 1.178 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-181)



    (Position in Stellar Map of star Kepler-181 )



    (Zoomed position in Stellar Map of star Kepler-181 (zoom level 3))

    (Synthetic Spectrum of star Sun*)
    *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