BD+20 274

Display orbital revolution around the star BD+20 274
Imaginary Picture of Star BD+20 274
Star Name : BD+20 274
Alternate Name :
Star Distance (LY/pc): 3914.9679 (LY) 1200.3360 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 17.3000 (Rsun, estimated)
Stellar Mass (Msun): 0.8000 (Msun/observed) 0.8000 (Msun/estimated)
Spectral type : K5
Metalicity : -0.4600
Absolute Magnitude : -1.04
Apparent Magnitude : 9.36
Right Ascension(RA) : 25.92083
Declination(DEC) : 21.00500
  • This is the BD+20 274 . The star BD+20 274 islocated about 3915.0 light-years (1200.3 pc) away from our Solar System.
  • The star BD+20 274 has apparent magnitude of 9.4, with absolute magnitude of -1.0.
  • It is 0.8 times more massive and 17.3 times bigger compared with our Sun. The surface temperature is 4296 with its spectral types of K5
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet BD+20 274 b radius 1.049874 mass 4.200000 orbital distance 1.300000
    (Illustration of the BD+20 274's Planetary System)



    The Star BD+20 274 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 6.917 AU ( 1034743628.7 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 9.561 AU ( 1430286105.7 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 14.569 AU ( 2179439503.5 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 21.438 AU ( 3207140704.5 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star BD+20 274)



    Kopparapu's Recent Venus for Star BD+20 274 distance : 7.690 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star BD+20 274 distance : 9.734 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star BD+20 274 distance : 9.402 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star BD+20 274 distance : 10.303 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star BD+20 274 distance : 18.206 AU
    Kopparapu's Outer Boundary for Early Mars for Star BD+20 274 distance : 19.206 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star BD+20 274)



  • Original Kopparapu Recent Venus for Star BD+20 274 distance : 7.588 AU
  • Original Kopparapu Runaway Greenhouse for Star BD+20 274 distance : 10.056 AU
  • Original Kopparapu Moist Greenhouse for Star BD+20 274 distance : 10.040 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star BD+20 274 distance : 18.500 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star BD+20 274 distance : 19.240 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star BD+20 274)



    (Position in Stellar Map of star BD+20 274 )



    (Zoomed position in Stellar Map of star BD+20 274 (zoom level 3))

    (Synthetic Spectrum of star BD+14 4559*)
    *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