Imaginary Picture of TAP 26 b

Display orbital revolution of TAP 26 b around the hoststar TAP 26
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Exoplanet Name : TAP 26 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.9078 (Rjup) 10.1759 (Rearth)
Mass (Mjup / Me): 1.7300 (Mjup) 550.0327 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0975 (AU) 0.0975 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0299
Orbital Period(Observed/Estimated) 10.91 (Days Obs.) 10.90 (Days Est.)
Surface Gravity (G Earth) 5.3118
Star Radiation at Atmospheric Boundary: 61082.0 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 701.7 (K)
Blackbody T 0.3(K) 658.9 (K)
Blackbody T 0.7(K) 533.1 (K)
Tidally Locked Blackbody T 0.1(K) 834.4 (K)
Tidally Locked Blackbody T 0.3(K) 783.6 (K)
Size Class: Jupiter-size
Mass Class:
Detection Type : Radial Velocity
Mass Detection : Radial Velocity
Radius Detection :
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : TAP 26
Alternate Name :
Star Distance(LY) : 396.6
Stellar Radius(Rsun) : 1.4 (Rsun Measured)
Stellar Mass(Msun) : 1.0 (Msun Measured) 1.0 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 4000 (K)
Spectral type : K7
UV portion[%]: 0.7
Visible portion[%]: 24.5
IR portion[%]: 74.8
Metalicity : 0.0
Absolute Magnitude: 7.0
Apparent Magnitude: 12.4
Right Ascension(RA) 64.7154
Declination (DEC) 17.3881
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 http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=TAP+26&submit=SIMBAD+search
Open Exoplanet Database Link
TAP 26 b
TAP 26 b

  • TAP 26 b is an exoplanet orbiting the star TAP 26, located about 396.6 light-years (121.6 pc) away from Solar System. Its discovery was publicly announced on 2017.
  • The host star TAP 26 has apparent magnitude of 12.4, with absolute magnitude of 7.0.
  • It is 1.0 times more massive and 1.4 times bigger compared with our Sun. The surface temperature is 4000 with its spectral types of K7
  • In this planetary system, the extrasolar planet TAP 26 b orbits around the star TAP 26 every 10.9 days with its orbital distance of 0.10 AU ( 14585792.4 km)
  • (Projected orbit of TAP 26 b around its host star TAP 26)


  • The Star TAP 26 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.471 AU ( 70520763.2 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.652 AU ( 97478124.0 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.993 AU ( 148535089.1 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.461 AU ( 218575890.5 km)
  • Radiation at Planetary Boundary of TAP 26 b : 61082.02 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star TAP 26)



  • Kopparapu Recent Venus for Star TAP 26 distance : 0.528 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star TAP 26 distance : 0.668 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star TAP 26 distance : 0.646 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star TAP 26 distance : 0.710 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star TAP 26 distance : 1.269 AU
  • Kopparapu Outer Boundary for Early Mars for Star TAP 26 distance : 1.338 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star TAP 26)



  • Original Kopparapu Recent Venus for Star TAP 26 distance : 0.522 AU
  • Original Kopparapu Runaway Greenhouse for Star TAP 26 distance : 0.691 AU
  • Original Kopparapu Moist Greenhouse for Star TAP 26 distance : 0.690 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star TAP 26 distance : 1.289 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star TAP 26 distance : 1.340 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star TAP 26)



    (Position in Stellar Map of star TAP 26 and its Exoplanet TAP 26 b)



    (Zoomed position in Stellar Map of star TAP 26 and its Exoplanet TAP 26 b (zoom level 3))

    (Synthetic Spectrum of star TAP 26*)
    *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