HD 2638

Display orbital revolution around the star HD 2638
Imaginary Picture of Star HD 2638
Star Name : HD 2638
Alternate Name :
Star Distance (LY/pc): 175.1784 (LY) 53.7100 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.8898 (Rsun, estimated)
Stellar Mass (Msun): 0.9300 (Msun/observed) 0.9300 (Msun/estimated)
Spectral type : G5
Metalicity : 0.1600
Absolute Magnitude : 5.79
Apparent Magnitude : 9.44
Right Ascension(RA) : 7.49947
Declination(DEC) : -5.76389
  • This is the HD 2638 . The star HD 2638 islocated about 175.2 light-years (53.7 pc) away from our Solar System.
  • The star HD 2638 has apparent magnitude of 9.4, with absolute magnitude of 5.8.
  • It is 0.9 times more massive and 0.9 times bigger compared with our Sun. The surface temperature is 5192 with its spectral types of G5
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet HD 2638 b radius 1.040000 mass 0.480000 orbital distance 0.044000
    (Illustration of the HD 2638's Planetary System)



    The Star HD 2638 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.520 AU ( 77731694.6 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.718 AU ( 107445515.6 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.094 AU ( 163723188.2 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.610 AU ( 240925843.6 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 2638)



    Kopparapu's Recent Venus for Star HD 2638 distance : 0.662 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star HD 2638 distance : 0.838 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star HD 2638 distance : 0.810 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star HD 2638 distance : 0.888 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star HD 2638 distance : 1.508 AU
    Kopparapu's Outer Boundary for Early Mars for Star HD 2638 distance : 1.591 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 2638)



  • Original Kopparapu Recent Venus for Star HD 2638 distance : 0.657 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 2638 distance : 0.863 AU
  • Original Kopparapu Moist Greenhouse for Star HD 2638 distance : 0.869 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 2638 distance : 1.534 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 2638 distance : 1.595 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 2638)



    (Position in Stellar Map of star HD 2638 )



    (Zoomed position in Stellar Map of star HD 2638 (zoom level 3))

    (Synthetic Spectrum of star HAT-P-33*)
    *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