Imaginary Picture of HR 3549 b

Display orbital revolution of HR 3549 b around the hoststar HR 3549
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Exoplanet Name : HR 3549 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.9078 (Rjup) 10.1759 (Rearth)
Mass (Mjup / Me): 45.0000 (Mjup) 14307.2100 (Mearth)
Semi Major Axis / Orbital Distance Calculated 80.0000 (AU) 80.0000 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0000
Orbital Period(Observed/Estimated) 0.00 (Days Obs.) 224107.17 (Days Est.)
Surface Gravity (G Earth) 138.1695
Star Radiation at Atmospheric Boundary: 5.1 (W/m2)
Measured Temperature (K) 2350.0 (K)
Blackbody T 0.1(K) 67.2 (K)
Blackbody T 0.3(K) 63.1 (K)
Blackbody T 0.7(K) 51.0 (K)
Tidally Locked Blackbody T 0.1(K) 79.9 (K)
Tidally Locked Blackbody T 0.3(K) 75.0 (K)
Size Class: Jupiter-size
Mass Class:
Detection Type : Imaging
Mass Detection : Spectrum
Radius Detection :
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : HR 3549
Alternate Name : HD 76346
Star Distance(LY) : 301.7
Stellar Radius(Rsun) : 1.6 (Rsun Estimated)
Stellar Mass(Msun) : 1.4 (Msun Measured) 0.0 (Msun Estimated)
Star Age : 0.1 (GY)
Temperature : 10207 (K)
Spectral type : A0V
UV portion[%]: 7.8
Visible portion[%]: 44.8
IR portion[%]: 47.4
Metalicity : 0.0
Absolute Magnitude: 1.2
Apparent Magnitude: 6.0
Right Ascension(RA) 133.2657
Declination (DEC) -56.6494
Hubble Space Telescope Guide Star Catalog (GSC) ID 08577-03016
Discovered by
Discovery Paper - Authors 0
Discovery Paper - Title 0
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=HR+3549+&submit=SIMBAD+search
Open Exoplanet Database Link 0
HR 3549 b
HR 3549 b

  • HR 3549 b is an exoplanet orbiting the star HR 3549, located about 301.7 light-years (92.5 pc) away from Solar System. Its discovery was publicly announced on 2015.
  • The host star HR 3549 has apparent magnitude of 6.0, with absolute magnitude of 1.2.
  • It is 1.4 times more massive and 1.6 times bigger compared with our Sun. The surface temperature is 10207 with its spectral types of A0V
  • (Projected orbit of HR 3549 b around its host star HR 3549)


  • The Star HR 3549 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 3.543 AU ( 530052403.7 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 4.898 AU ( 732670941.2 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 7.463 AU ( 1116428374.7 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 10.982 AU ( 1642873260.9 km)
  • Radiation at Planetary Boundary of HR 3549 b : 5.13 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HR 3549)



  • Kopparapu Recent Venus for Star HR 3549 distance : 5.227 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star HR 3549 distance : 6.629 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HR 3549 distance : 6.427 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star HR 3549 distance : 6.932 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star HR 3549 distance : 11.864 AU
  • Kopparapu Outer Boundary for Early Mars for Star HR 3549 distance : 12.474 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HR 3549)



  • Original Kopparapu Recent Venus for Star HR 3549 distance : 4.195 AU
  • Original Kopparapu Runaway Greenhouse for Star HR 3549 distance : 6.625 AU
  • Original Kopparapu Moist Greenhouse for Star HR 3549 distance : 5.551 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HR 3549 distance : 11.778 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HR 3549 distance : 12.249 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HR 3549)



    (Position in Stellar Map of star HR 3549 and its Exoplanet HR 3549 b)



    (Zoomed position in Stellar Map of star HR 3549 and its Exoplanet HR 3549 b (zoom level 3))

    (Synthetic Spectrum of star HR 3549*)
    *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