HD 22946

Display orbital revolution around the star HD 22946
Imaginary Picture of Star HD 22946
Star Name : HD 22946
Alternate Name : TOI-411
Star Distance (LY/pc): 205.0543 (LY) 62.8700 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 1.1570 (Rsun, estimated)
Stellar Mass (Msun): 1.1040 (Msun/observed) 1.1040 (Msun/estimated)
Spectral type : F7/F8V
Metalicity : -0.0500
Absolute Magnitude : 4.31
Apparent Magnitude : 8.30
Right Ascension(RA) : 54.82083
Declination(DEC) : -42.76250
  • This is the HD 22946 . The star HD 22946 islocated about 205.1 light-years (62.9 pc) away from our Solar System.
  • The star HD 22946 has apparent magnitude of 8.3, with absolute magnitude of 4.3.
  • It is 1.1 times more massive and 1.2 times bigger compared with our Sun. The surface temperature is 6210 with its spectral types of F7/F8V
  • Number of Extrasolar Planets : 3
  • Name of the 1 Planet TOI-411 b radius 0.121510 mass 0.008210 orbital distance 0.057270
  • Name of the 2 Planet TOI-411 c radius 0.207690 mass 0.020800 orbital distance 0.101700
  • Name of the 3 Planet TOI-411 d radius 0.232580 mass 0.024900 orbital distance 0.295800
    (Illustration of the HD 22946's Planetary System)



    The Star HD 22946 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.967 AU ( 144602123.9 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.336 AU ( 199877924.2 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.036 AU ( 304569723.6 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.996 AU ( 448187690.7 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 22946)



    Kopparapu's Recent Venus for Star HD 22946 distance : 0.976 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star HD 22946 distance : 1.236 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star HD 22946 distance : 1.194 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star HD 22946 distance : 1.308 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star HD 22946 distance : 2.161 AU
    Kopparapu's Outer Boundary for Early Mars for Star HD 22946 distance : 2.279 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 22946)



  • Original Kopparapu Recent Venus for Star HD 22946 distance : 0.986 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 22946 distance : 1.268 AU
  • Original Kopparapu Moist Greenhouse for Star HD 22946 distance : 1.305 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 22946 distance : 2.200 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 22946 distance : 2.287 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 22946)



    (Position in Stellar Map of star HD 22946 )



    (Zoomed position in Stellar Map of star HD 22946 (zoom level 3))

    (Synthetic Spectrum of star Kepler-1679*)
    *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