HD 21411

Display orbital revolution around the star HD 21411
Imaginary Picture of Star HD 21411
Star Name : HD 21411
Alternate Name :
Star Distance (LY/pc): 95.1447 (LY) 29.1715 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.8268 (Rsun, estimated)
Stellar Mass (Msun): 0.8900 (Msun/observed) 0.8900 (Msun/estimated)
Spectral type : G8V
Metalicity : 0.0000
Absolute Magnitude : 19.68
Apparent Magnitude : 22.00
Right Ascension(RA) : 51.54632
Declination(DEC) : -30.62000
  • This is the HD 21411 . The star HD 21411 islocated about 95.1 light-years (29.2 pc) away from our Solar System.
  • The star HD 21411 has apparent magnitude of 22.0, with absolute magnitude of 19.7.
  • It is 0.9 times more massive and 0.8 times bigger compared with our Sun. The surface temperature is 5605 with its spectral types of G8V
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet HD 21411 b radius 0.692173 mass 0.207300 orbital distance 0.362000
    (Illustration of the HD 21411's Planetary System)



    The Star HD 21411 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.563 AU ( 84175953.9 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.778 AU ( 116353166.1 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.185 AU ( 177296476.2 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.744 AU ( 260899531.5 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 21411)



    Kopparapu's Recent Venus for Star HD 21411 distance : 0.541 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star HD 21411 distance : 0.685 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star HD 21411 distance : 0.661 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star HD 21411 distance : 0.725 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star HD 21411 distance : 1.215 AU
    Kopparapu's Outer Boundary for Early Mars for Star HD 21411 distance : 1.282 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 21411)



  • Original Kopparapu Recent Venus for Star HD 21411 distance : 0.540 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 21411 distance : 0.704 AU
  • Original Kopparapu Moist Greenhouse for Star HD 21411 distance : 0.714 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 21411 distance : 1.237 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 21411 distance : 1.286 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 21411)



    (Position in Stellar Map of star HD 21411 )



    (Zoomed position in Stellar Map of star HD 21411 (zoom level 3))

    (Synthetic Spectrum of star HATS-57*)
    *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