Imaginary Picture of HATS-19 b
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Exoplanet Name : HATS-19 b
Alternate Name :
Radius (Rjup / Re): 1.6600 (Rjup) 18.6069 (Rearth)
Mass (Mjup / Me): 0.4270 (Mjup) 135.7595 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0589 (AU) 0.0589 (AU Est.)
Eccentricity : 0.3000
Orbital Period(Yrs) 0.0125
Orbital Period(Observed/Estimated) 4.57 (Days Obs.) 4.57 (Days Est.)
Star Radiation at Atmospheric Boundary: 1293309.9 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1505.1 (K)
Blackbody T 0.3(K) 1413.5 (K)
Blackbody T 0.7(K) 1143.6 (K)
Tidally Locked Blackbody T 0.1(K) 1789.9 (K)
Tidally Locked Blackbody T 0.3(K) 1680.9 (K)
Size Class: Super-Jupiter-size
Mass Class:
Detection Type : Primary Transit
Mass Detection : Radial Velocity
Radius Detection : Primary Transit
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : HATS-19
Alternate Name :
Star Distance(LY) : 2544.0
Stellar Radius(Rsun) : 1.7 (Rsun Measured)
Stellar Mass(Msun) : 1.3 (Msun Measured) 1.3 (Msun Estimated)
Star Age : 3.9 (GY)
Temperature : 5896 (K)
Spectral type : G0
Metalicity : 0.2
Absolute Magnitude: 3.5
Apparent Magnitude: 13.0
Right Ascension(RA) 147.4083
Declination (DEC) -33.2186
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors
Discovery Paper - Title
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK
Open Exoplanet Database Link
HATS-19 b
HATS-19 b

  • HATS-19 b is an exoplanet orbiting the star HATS-19, located about 2544.0 light-years (780.0 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star HATS-19 has apparent magnitude of 13.0, with absolute magnitude of 3.5.
  • It is 1.3 times more massive and 1.7 times bigger compared with our Sun. The surface temperature is 5896 with its spectral types of G0
  • In this planetary system, the extrasolar planet HATS-19 b orbits around the star HATS-19 every 4.6 days with its orbital distance of 0.06 AU ( 8811314.6 km)
  • (Projected orbit of HATS-19 b around its host star HATS-19)


  • The Star HATS-19 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.310 AU ( 196029896.4 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.811 AU ( 270964545.6 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.760 AU ( 412890003.2 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 4.061 AU ( 607585727.2 km)
  • Radiation at Planetary Boundary of HATS-19 b : 1293309.94 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HATS-19)



  • Kopparapu Recent Venus for Star HATS-19 distance : 1.349 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star HATS-19 distance : 1.708 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HATS-19 distance : 1.649 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star HATS-19 distance : 1.808 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star HATS-19 distance : 3.006 AU
  • Kopparapu Outer Boundary for Early Mars for Star HATS-19 distance : 3.171 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HATS-19)



  • Original Kopparapu Recent Venus for Star HATS-19 distance : 1.353 AU
  • Original Kopparapu Runaway Greenhouse for Star HATS-19 distance : 1.754 AU
  • Original Kopparapu Moist Greenhouse for Star HATS-19 distance : 1.791 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HATS-19 distance : 3.060 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HATS-19 distance : 3.182 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HATS-19)



    (Position in Stellar Map of star HATS-19 and its Exoplanet HATS-19 b)



    (Zoomed position in Stellar Map of star HATS-19 and its Exoplanet HATS-19 b (zoom level 3))