Imaginary Picture of HATS-49 b

Display orbital revolution of HATS-49 b around the hoststar HATS-49
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Exoplanet Name : HATS-49 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.7650 (Rjup) 8.5749 (Rearth)
Mass (Mjup / Me): 0.3530 (Mjup) 112.2321 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0452 (AU) 0.0452 (AU Est.)
Eccentricity : 0.0710
Orbital Period(Yrs) 0.0114
Orbital Period(Observed/Estimated) 4.15 (Days Obs.) 4.15 (Days Est.)
Surface Gravity (G Earth) 1.5264
Star Radiation at Atmospheric Boundary: 110258.1 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 813.3 (K)
Blackbody T 0.3(K) 763.8 (K)
Blackbody T 0.7(K) 618.0 (K)
Tidally Locked Blackbody T 0.1(K) 967.2 (K)
Tidally Locked Blackbody T 0.3(K) 908.3 (K)
Size Class: Jupiter-size
Mass Class:
Detection Type : Primary Transit
Mass Detection : Spectrum
Radius Detection : Primary Transit
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : HATS-49
Alternate Name :
Star Distance(LY) : 1058.7
Stellar Radius(Rsun) : 0.7 (Rsun Measured)
Stellar Mass(Msun) : 0.7 (Msun Measured) 0.7 (Msun Estimated)
Star Age : 10.5 (GY)
Temperature : 4405 (K)
Spectral type : K5
UV portion[%]: 1.3
Visible portion[%]: 29.4
IR portion[%]: 69.3
Metalicity : 0.2
Absolute Magnitude: 14.4
Apparent Magnitude: 22.0
Right Ascension(RA) 6.6125
Declination (DEC) -56.3444
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors
Discovery Paper - Title
Discovery Paper - Journal
Discovery Paper - URL
SIMBAD LINK
Open Exoplanet Database Link
HATS-49 b
HATS-49 b

  • HATS-49 b is an exoplanet orbiting the star HATS-49, located about 1058.7 light-years (324.6 pc) away from Solar System. Its discovery was publicly announced on 2020.
  • The host star HATS-49 has apparent magnitude of 22.0, with absolute magnitude of 14.4.
  • It is 0.7 times more massive and 0.7 times bigger compared with our Sun. The surface temperature is 4405 with its spectral types of K5
  • In this planetary system, the extrasolar planet HATS-49 b orbits around the star HATS-49 every 4.1 days with its orbital distance of 0.05 AU ( 6754343.9 km)
  • (Projected orbit of HATS-49 b around its host star HATS-49)


  • The Star HATS-49 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.293 AU ( 43875154.7 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.405 AU ( 60646929.8 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.618 AU ( 92412499.8 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.909 AU ( 135989041.8 km)
  • Radiation at Planetary Boundary of HATS-49 b : 110258.07 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HATS-49)



  • Kopparapu Recent Venus for Star HATS-49 distance : 0.325 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star HATS-49 distance : 0.411 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HATS-49 distance : 0.397 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star HATS-49 distance : 0.436 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star HATS-49 distance : 0.765 AU
  • Kopparapu Outer Boundary for Early Mars for Star HATS-49 distance : 0.807 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HATS-49)



  • Original Kopparapu Recent Venus for Star HATS-49 distance : 0.321 AU
  • Original Kopparapu Runaway Greenhouse for Star HATS-49 distance : 0.425 AU
  • Original Kopparapu Moist Greenhouse for Star HATS-49 distance : 0.424 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HATS-49 distance : 0.778 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HATS-49 distance : 0.809 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HATS-49)



    (Position in Stellar Map of star HATS-49 and its Exoplanet HATS-49 b)



    (Zoomed position in Stellar Map of star HATS-49 and its Exoplanet HATS-49 b (zoom level 3))

    (Synthetic Spectrum of star HATS-49*)
    *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