HD 28254 A

Display orbital revolution around the star HD 28254 A
Imaginary Picture of Star HD 28254 A
Star Name : HD 28254 A
Alternate Name : HD 28254
Star Distance (LY/pc): 178.3248 (LY) 54.6747 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 1.4800 (Rsun, estimated)
Stellar Mass (Msun): 1.0600 (Msun/observed) 1.0600 (Msun/estimated)
Spectral type : G1IV/V
Metalicity : 0.3600
Absolute Magnitude : 4.02
Apparent Magnitude : 7.71
Right Ascension(RA) : 66.21127
Declination(DEC) : -50.62222
  • This is the HD 28254 A . The star HD 28254 A islocated about 178.3 light-years (54.7 pc) away from our Solar System.
  • The star HD 28254 A has apparent magnitude of 7.7, with absolute magnitude of 4.0.
  • It is 1.1 times more massive and 1.5 times bigger compared with our Sun. The surface temperature is 5664 with its spectral types of G1IV/V
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet HD 28254 A b radius 0.907830 mass 1.160000 orbital distance 2.150000
    (Illustration of the HD 28254 A's Planetary System)



    The Star HD 28254 A 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.029 AU ( 153874380.4 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.422 AU ( 212694605.9 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.166 AU ( 324099510.2 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 3.188 AU ( 476926627.1 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 28254 A)



    Kopparapu's Recent Venus for Star HD 28254 A distance : 1.073 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star HD 28254 A distance : 1.359 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star HD 28254 A distance : 1.313 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star HD 28254 A distance : 1.439 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star HD 28254 A distance : 2.408 AU
    Kopparapu's Outer Boundary for Early Mars for Star HD 28254 A distance : 2.540 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 28254 A)



  • Original Kopparapu Recent Venus for Star HD 28254 A distance : 1.072 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 28254 A distance : 1.397 AU
  • Original Kopparapu Moist Greenhouse for Star HD 28254 A distance : 1.419 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 28254 A distance : 2.450 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 28254 A distance : 2.548 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 28254 A)



    (Position in Stellar Map of star HD 28254 A )



    (Zoomed position in Stellar Map of star HD 28254 A (zoom level 3))

    (Synthetic Spectrum of star HD 984*)
    *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