Imaginary Picture of HAT-P-19 b

Display orbital revolution of HAT-P-19 b around the hoststar HAT-P-19
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Exoplanet Name : HAT-P-19 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 1.1320 (Rjup) 12.6886 (Rearth)
Mass (Mjup / Me): 0.2920 (Mjup) 92.8379 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0466 (AU) 0.0466 (AU Est.)
Eccentricity : 0.0670
Orbital Period(Yrs) 0.0110
Orbital Period(Observed/Estimated) 4.01 (Days Obs.) 4.00 (Days Est.)
Surface Gravity (G Earth) 0.5766
Star Radiation at Atmospheric Boundary: 235430.6 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 983.1 (K)
Blackbody T 0.3(K) 923.3 (K)
Blackbody T 0.7(K) 747.0 (K)
Tidally Locked Blackbody T 0.1(K) 1169.1 (K)
Tidally Locked Blackbody T 0.3(K) 1097.9 (K)
Size Class: Jupiter-size
Mass Class:
Detection Type : Primary Transit
Mass Detection :
Radius Detection :
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : HAT-P-19
Alternate Name :
Star Distance(LY) : 701.2
Stellar Radius(Rsun) : 0.8 (Rsun Measured)
Stellar Mass(Msun) : 0.8 (Msun Measured) 0.8 (Msun Estimated)
Star Age : 8.8 (GY)
Temperature : 4990 (K)
Spectral type : K
UV portion[%]: 3.2
Visible portion[%]: 37.0
IR portion[%]: 59.8
Metalicity : 0.2
Absolute Magnitude: 6.2
Apparent Magnitude: 12.9
Right Ascension(RA) 9.5167
Declination (DEC) 34.7117
Hubble Space Telescope Guide Star Catalog (GSC) ID 02283-00589
Discovered by
Discovery Paper - Authors CUTRI R.M.; SKRUTSKIE M.F.; VAN DYK S.; BEICHMAN C.A.; CARPENTER J.M.; CHESTER T.; CAMBRESY L.; EVANS T.; FOWLER J.; GIZIS J.; HOWARD E.; HUCHRA J.; JARRETT T.; KOPAN E.L.; KIRKPATRICK J.D.; LIGHT R.M.; MARSH K.A.; McCALLON H.; SCHNEIDER S.; STIENING R.; SYKES M.; WEINBERG M.; WHEATON W.A.; WHEELOCK S.; ZACARIAS N.
Discovery Paper - Title 2MASS All Sky Catalog of point sources.
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=HAT-P-19+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/HAT-P-19%20b/
HAT-P-19 b
HAT-P-19 b

  • HAT-P-19 b is an exoplanet orbiting the star HAT-P-19, located about 701.2 light-years (215.0 pc) away from Solar System. Its discovery was publicly announced on 2010.
  • The host star HAT-P-19 has apparent magnitude of 12.9, with absolute magnitude of 6.2.
  • It is 0.8 times more massive and 0.8 times bigger compared with our Sun. The surface temperature is 4990 with its spectral types of K
  • In this planetary system, the extrasolar planet HAT-P-19 b orbits around the star HAT-P-19 every 4.0 days with its orbital distance of 0.05 AU ( 6971260.8 km)
  • (Projected orbit of HAT-P-19 b around its host star HAT-P-19)


  • The Star HAT-P-19 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.442 AU ( 66171816.4 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.611 AU ( 91466743.0 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.932 AU ( 139375074.8 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.371 AU ( 205096528.2 km)
  • Radiation at Planetary Boundary of HAT-P-19 b : 235430.58 W/m2

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



  • Kopparapu Recent Venus for Star HAT-P-19 distance : 0.479 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star HAT-P-19 distance : 0.606 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HAT-P-19 distance : 0.585 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star HAT-P-19 distance : 0.642 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star HAT-P-19 distance : 1.099 AU
  • Kopparapu Outer Boundary for Early Mars for Star HAT-P-19 distance : 1.159 AU

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



  • Original Kopparapu Recent Venus for Star HAT-P-19 distance : 0.474 AU
  • Original Kopparapu Runaway Greenhouse for Star HAT-P-19 distance : 0.625 AU
  • Original Kopparapu Moist Greenhouse for Star HAT-P-19 distance : 0.627 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HAT-P-19 distance : 1.117 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HAT-P-19 distance : 1.162 AU

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



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



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

    (Synthetic Spectrum of star HAT-P-19*)
    *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