HD 30774

Display orbital revolution around the star HD 30774
Imaginary Picture of Star HD 30774
Star Name : HD 30774
Alternate Name : HIP 22395
Star Distance (LY/pc): 135.9702 (LY) 41.6887 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 1.0397 (Rsun, estimated)
Stellar Mass (Msun): 1.0400 (Msun/observed) 1.0400 (Msun/estimated)
Spectral type : G2V
Metalicity : 0.0794
Absolute Magnitude : 4.80
Apparent Magnitude : 7.90
Right Ascension(RA) : 72.30551
Declination(DEC) : -31.42655
  • This is the HD 30774 . The star HD 30774 islocated about 136.0 light-years (41.7 pc) away from our Solar System.
  • The star HD 30774 has apparent magnitude of 7.9, with absolute magnitude of 4.8.
  • It is 1.0 times more massive and 1.0 times bigger compared with our Sun. The surface temperature is 5782 with its spectral types of G2V
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet HD 30774 b radius 1.049860 mass 41.590000 orbital distance 0.060000
    (Illustration of the HD 30774's Planetary System)



    The Star HD 30774 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.753 AU ( 112647700.6 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.041 AU ( 155708560.6 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.586 AU ( 237265388.1 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.334 AU ( 349146412.5 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 30774)



    Kopparapu's Recent Venus for Star HD 30774 distance : 0.780 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star HD 30774 distance : 0.988 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star HD 30774 distance : 0.954 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star HD 30774 distance : 1.046 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star HD 30774 distance : 1.745 AU
    Kopparapu's Outer Boundary for Early Mars for Star HD 30774 distance : 1.840 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 30774)



  • Original Kopparapu Recent Venus for Star HD 30774 distance : 0.781 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 30774 distance : 1.015 AU
  • Original Kopparapu Moist Greenhouse for Star HD 30774 distance : 1.034 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 30774 distance : 1.775 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 30774 distance : 1.846 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 30774)



    (Position in Stellar Map of star HD 30774 )



    (Zoomed position in Stellar Map of star HD 30774 (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