HIP 77257

Display orbital revolution around the star HIP 77257
Imaginary Picture of Star HIP 77257
Star Name : HIP 77257
Alternate Name :
Star Distance (LY/pc): 38.8647 (LY) 11.9160 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.9992 (Rsun, estimated)
Stellar Mass (Msun): 0.0000 (Msun/observed) 1.0525 (Msun/estimated)
Spectral type : G0
Metalicity : 0.0000
Absolute Magnitude : 21.62
Apparent Magnitude : 22.00
Right Ascension(RA) : 236.61250
Declination(DEC) : 7.35306
  • This is the HIP 77257 . The star HIP 77257 islocated about 38.9 light-years (11.9 pc) away from our Solar System.
  • The star HIP 77257 has apparent magnitude of 22.0, with absolute magnitude of 21.6.
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet HIP 77257 b radius 0.210998 mass 0.042800 orbital distance 0.123800
    (Illustration of the HIP 77257's Planetary System)



    The Star HIP 77257 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.792 AU ( 118523320.6 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.095 AU ( 163830203.0 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.669 AU ( 249640973.8 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.456 AU ( 367357629.0 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HIP 77257)



    Kopparapu's Recent Venus for Star HIP 77257 distance : 0.808 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star HIP 77257 distance : 1.023 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star HIP 77257 distance : 0.988 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star HIP 77257 distance : 1.083 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star HIP 77257 distance : 1.794 AU
    Kopparapu's Outer Boundary for Early Mars for Star HIP 77257 distance : 1.893 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HIP 77257)



  • Original Kopparapu Recent Venus for Star HIP 77257 distance : 0.813 AU
  • Original Kopparapu Runaway Greenhouse for Star HIP 77257 distance : 1.050 AU
  • Original Kopparapu Moist Greenhouse for Star HIP 77257 distance : 1.076 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HIP 77257 distance : 1.826 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HIP 77257 distance : 1.899 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HIP 77257)



    (Position in Stellar Map of star HIP 77257 )



    (Zoomed position in Stellar Map of star HIP 77257 (zoom level 3))

    (Synthetic Spectrum of star HD 141399*)
    *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