K2-155

Display orbital revolution around the star K2-155
Imaginary Picture of Star K2-155
Star Name : K2-155
Alternate Name : "EPIC 210897587, 2MASS 04215245+21211, K2-155, 2MASS J04215245+2121131, LP 415-17, WISE J042152.63+212112.2"
Star Distance (LY/pc): 267.4479 (LY) 82.0000 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.5800 (Rsun, estimated)
Stellar Mass (Msun): 0.6500 (Msun/observed) 0.6500 (Msun/estimated)
Spectral type : K7
Metalicity : -0.3000
Absolute Magnitude : 8.23
Apparent Magnitude : 12.80
Right Ascension(RA) : 65.46870
Declination(DEC) : 21.35360
  • This is the K2-155 . The star K2-155 islocated about 267.4 light-years (82.0 pc) away from our Solar System.
  • The star K2-155 has apparent magnitude of 12.8, with absolute magnitude of 8.2.
  • It is 0.7 times more massive and 0.6 times bigger compared with our Sun. The surface temperature is 4258 with its spectral types of K7
  • Number of Extrasolar Planets : 3
  • Name of the 1 Planet K2-155 b radius 0.161000 mass 0.014800 orbital distance 0.056200
  • Name of the 2 Planet K2-155 c radius 0.232000 mass 0.020500 orbital distance 0.094600
  • Name of the 3 Planet K2-155 d radius 0.170000 mass 0.015400 orbital distance 0.193700
    (Illustration of the K2-155's Planetary System)



    The Star K2-155 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.228 AU ( 34079830.0 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.315 AU ( 47107231.2 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.480 AU ( 71780995.6 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.706 AU ( 105628879.6 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star K2-155)



    Kopparapu's Recent Venus for Star K2-155 distance : 0.254 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star K2-155 distance : 0.321 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star K2-155 distance : 0.310 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star K2-155 distance : 0.340 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star K2-155 distance : 0.601 AU
    Kopparapu's Outer Boundary for Early Mars for Star K2-155 distance : 0.634 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star K2-155)



  • Original Kopparapu Recent Venus for Star K2-155 distance : 0.250 AU
  • Original Kopparapu Runaway Greenhouse for Star K2-155 distance : 0.332 AU
  • Original Kopparapu Moist Greenhouse for Star K2-155 distance : 0.331 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star K2-155 distance : 0.611 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star K2-155 distance : 0.636 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star K2-155)



    (Position in Stellar Map of star K2-155 )



    (Zoomed position in Stellar Map of star K2-155 (zoom level 3))

    (Synthetic Spectrum of star Kepler-873*)
    *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