Imaginary Picture of BD+45 564 b

Display orbital revolution of BD+45 564 b around the hoststar BD+45 564
/
Exoplanet Name : BD+45 564 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.9078 (Rjup) 10.1759 (Rearth)
Mass (Mjup / Me): 1.3600 (Mjup) 432.3957 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.8300 (AU) 0.8300 (AU Est.)
Eccentricity : 0.1200
Orbital Period(Yrs) 0.8429
Orbital Period(Observed/Estimated) 307.88 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 4.1758
Star Radiation at Atmospheric Boundary: 634.9 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 224.0 (K)
Blackbody T 0.3(K) 210.4 (K)
Blackbody T 0.7(K) 170.2 (K)
Tidally Locked Blackbody T 0.1(K) 266.4 (K)
Tidally Locked Blackbody T 0.3(K) 250.2 (K)
Size Class: Jupiter-size
Mass Class:
Detection Type : Radial Velocity
Mass Detection : Radial Velocity
Radius Detection :
Habitability by Solar Eq. Astronomical Unit: Habitable
Habitability by Kopparapu: Not habitable
Star Name : BD+45 564
Alternate Name :
Star Distance(LY) : 175.1
Stellar Radius(Rsun) : 0.7 (Rsun Estimated)
Stellar Mass(Msun) : 0.0 (Msun Measured) 0.8 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 5110 (K)
Spectral type : K1
UV portion[%]: 4.0
Visible portion[%]: 38.6
IR portion[%]: 57.4
Metalicity : 0.0
Absolute Magnitude: 5.9
Apparent Magnitude: 9.5
Right Ascension(RA) 32.9458
Declination (DEC) 45.9242
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors
Discovery Paper - Title
Discovery Paper - Journal
Discovery Paper - URL
SIMBAD LINK https://simbad.u-strasbg.fr/simbad/sim-basic?Ident=BD%2B45+564&submit=SIMBAD+search
Open Exoplanet Database Link
BD+45 564 b
BD+45 564 b

  • BD+45 564 b is an exoplanet orbiting the star BD+45 564, located about 175.1 light-years (53.7 pc) away from Solar System. Its discovery was publicly announced on 2021.
  • The host star BD+45 564 has apparent magnitude of 9.5, with absolute magnitude of 5.9.
  • In this planetary system, the extrasolar planet BD+45 564 b orbits around the star BD+45 564 every 307.9 days with its orbital distance of 0.83 AU ( 124166232.7 km)
  • (Projected orbit of BD+45 564 b around its host star BD+45 564)


  • The Star BD+45 564 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.409 AU ( 61205179.6 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.566 AU ( 84601553.0 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.862 AU ( 128914044.5 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.268 AU ( 189702663.9 km)
  • Radiation at Planetary Boundary of BD+45 564 b : 634.91 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star BD+45 564)



  • Kopparapu Recent Venus for Star BD+45 564 distance : 0.440 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star BD+45 564 distance : 0.557 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star BD+45 564 distance : 0.538 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star BD+45 564 distance : 0.591 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star BD+45 564 distance : 1.006 AU
  • Kopparapu Outer Boundary for Early Mars for Star BD+45 564 distance : 1.061 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star BD+45 564)



  • Original Kopparapu Recent Venus for Star BD+45 564 distance : 0.436 AU
  • Original Kopparapu Runaway Greenhouse for Star BD+45 564 distance : 0.574 AU
  • Original Kopparapu Moist Greenhouse for Star BD+45 564 distance : 0.577 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star BD+45 564 distance : 1.023 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star BD+45 564 distance : 1.064 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star BD+45 564)



    (Position in Stellar Map of star BD+45 564 and its Exoplanet BD+45 564 b)



    (Zoomed position in Stellar Map of star BD+45 564 and its Exoplanet BD+45 564 b (zoom level 3))

    (Synthetic Spectrum of star BD+45 564*)
    *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