Imaginary Picture of HAT-P-55 b

Display orbital revolution of HAT-P-55 b around the hoststar HAT-P-55
/
Exoplanet Name : HAT-P-55 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 1.1820 (Rjup) 13.2490 (Rearth)
Mass (Mjup / Me): 0.5820 (Mjup) 185.0399 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0460 (AU) 0.0460 (AU Est.)
Eccentricity : 0.1390
Orbital Period(Yrs) 0.0098
Orbital Period(Observed/Estimated) 3.59 (Days Obs.) 3.58 (Days Est.)
Surface Gravity (G Earth) 1.0541
Star Radiation at Atmospheric Boundary: 672888.2 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1278.3 (K)
Blackbody T 0.3(K) 1200.4 (K)
Blackbody T 0.7(K) 971.3 (K)
Tidally Locked Blackbody T 0.1(K) 1520.1 (K)
Tidally Locked Blackbody T 0.3(K) 1427.6 (K)
Size Class: 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 : HAT-P-55
Alternate Name :
Star Distance(LY) : 1565.5
Stellar Radius(Rsun) : 1.0 (Rsun Measured)
Stellar Mass(Msun) : 1.0 (Msun Measured) 1.0 (Msun Estimated)
Star Age : 4.2 (GY)
Temperature : 5808 (K)
Spectral type : G2
UV portion[%]: 0.3
Visible portion[%]: 1.5
IR portion[%]: 98.2
Metalicity : -0.0
Absolute Magnitude: 4.8
Apparent Magnitude: 13.2
Right Ascension(RA) 264.2730
Declination (DEC) 25.7312
Hubble Space Telescope Guide Star Catalog (GSC) ID 01884-00168
Discovered by
Discovery Paper - Authors "D. Juncher (1,2), L. A. Buchhave (2,3), J. D. Hartman (4), G. _. Bakos (4), A. Bieryla (3), T. Kov_cs (4,5), I. Boisse (6), D. W. Latham (3), G. Kov_cs (5), W. Bhatti (4), Z. Csubry (4), K. Penev, (4), M. de Val-Borro (4), E. Falco (3), G. Torres (3), R. W. Noyes (3), J. L_z_r (7), I. Papp (7), P. S_ri (7), ((1) Niels Bohr Institute, (2) Natural History Museum of Denmark, (3) CfA, (4) Princeton, (5) Konkoly, (6) LAM, (7) HAA)"
Discovery Paper - Title HAT-P-55b: A Hot Jupiter Transiting a Sun-like Star
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=HAT-P-54&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/HAT-P-55%20b/
HAT-P-55 b
HAT-P-55 b
  • HAT-P-55 b is an exoplanet orbiting the star HAT-P-55, located about 1565.5 light-years (480.0 pc) away from Solar System. Its discovery was publicly announced on 2015.
  • The host star HAT-P-55 has apparent magnitude of 13.2, with absolute magnitude of 4.8.
  • It is 1.0 times more massive and 1.0 times bigger compared with our Sun. The surface temperature is 5808 with its spectral types of G2
  • In this planetary system, the extrasolar planet HAT-P-55 b orbits around the star HAT-P-55 every 3.6 days with its orbital distance of 0.05 AU ( 6887486.0 km)
    • (Projected orbit of HAT-P-55 b around its host star HAT-P-55)


  • The Star HAT-P-55 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.739 AU ( 110525498.8 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.021 AU ( 152775123.1 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.556 AU ( 232795478.5 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.290 AU ( 342568744.7 km)
  • Radiation at Planetary Boundary of HAT-P-55 b : 672888.22 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HAT-P-55)



  • Kopparapu Recent Venus for Star HAT-P-55 distance : 0.764 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star HAT-P-55 distance : 0.968 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HAT-P-55 distance : 0.935 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star HAT-P-55 distance : 1.025 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star HAT-P-55 distance : 1.708 AU
  • Kopparapu Outer Boundary for Early Mars for Star HAT-P-55 distance : 1.801 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HAT-P-55)



  • Original Kopparapu Recent Venus for Star HAT-P-55 distance : 0.766 AU
  • Original Kopparapu Runaway Greenhouse for Star HAT-P-55 distance : 0.995 AU
  • Original Kopparapu Moist Greenhouse for Star HAT-P-55 distance : 1.013 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HAT-P-55 distance : 1.738 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HAT-P-55 distance : 1.807 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HAT-P-55)



    (Position in Stellar Map of star HAT-P-55 and its Exoplanet HAT-P-55 b)



    (Zoomed position in Stellar Map of star HAT-P-55 and its Exoplanet HAT-P-55 b (zoom level 3))

    (Synthetic Spectrum of star HAT-P-55*)
    *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