Imaginary Picture of TOI-4527 b

Display orbital revolution of TOI-4527 b around the hoststar TOI-4527
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Exoplanet Name : TOI-4527 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.0800 (Rjup) 0.8967 (Rearth)
Mass (Mjup / Me): 0.0021 (Mjup) 0.6635 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0080 (AU) 0.0080 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0011
Orbital Period(Observed/Estimated) 0.40 (Days Obs.) 0.38 (Days Est.)
Surface Gravity (G Earth) 0.8252
Star Radiation at Atmospheric Boundary: 862231.5 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1360.0 (K)
Blackbody T 0.3(K) 1277.2 (K)
Blackbody T 0.7(K) 1033.4 (K)
Tidally Locked Blackbody T 0.1(K) 1617.4 (K)
Tidally Locked Blackbody T 0.3(K) 1518.9 (K)
Size Class: Earth-size
Mass Class:
Detection Type : Primary Transit
Mass Detection :
Radius Detection : Primary Transit
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : TOI-4527
Alternate Name :
Star Distance(LY) : 59.0
Stellar Radius(Rsun) : 0.5 (Rsun Measured)
Stellar Mass(Msun) : 0.5 (Msun Measured) 0.4 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 3700 (K)
Spectral type : M2
UV portion[%]: 0.3
Visible portion[%]: 13.2
IR portion[%]: 86.5
Metalicity : 0.0
Absolute Magnitude: 9.7
Apparent Magnitude: 11.0
Right Ascension(RA) 19.4721
Declination (DEC) 5.4712
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
TOI-4527 b
TOI-4527 b

  • TOI-4527 b is an exoplanet orbiting the star TOI-4527, located about 59.0 light-years (18.1 pc) away from Solar System. Its discovery was publicly announced on 2024.
  • The host star TOI-4527 has apparent magnitude of 11.0, with absolute magnitude of 9.7.
  • It is 0.5 times more massive and 0.5 times bigger compared with our Sun. The surface temperature is 3700 with its spectral types of M2
  • In this planetary system, the extrasolar planet TOI-4527 b orbits around the star TOI-4527 every 0.4 days with its orbital distance of 0.01 AU ( 1196783.0 km)
  • (Projected orbit of TOI-4527 b around its host star TOI-4527)


  • The Star TOI-4527 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.145 AU ( 21739904.9 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.201 AU ( 30050229.9 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.306 AU ( 45789900.3 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.450 AU ( 67381844.2 km)
  • Radiation at Planetary Boundary of TOI-4527 b : 862231.52 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star TOI-4527)



  • Kopparapu Recent Venus for Star TOI-4527 distance : 0.164 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star TOI-4527 distance : 0.207 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star TOI-4527 distance : 0.200 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star TOI-4527 distance : 0.220 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-4527 distance : 0.399 AU
  • Kopparapu Outer Boundary for Early Mars for Star TOI-4527 distance : 0.421 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star TOI-4527)



  • Original Kopparapu Recent Venus for Star TOI-4527 distance : 0.162 AU
  • Original Kopparapu Runaway Greenhouse for Star TOI-4527 distance : 0.214 AU
  • Original Kopparapu Moist Greenhouse for Star TOI-4527 distance : 0.214 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-4527 distance : 0.406 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star TOI-4527 distance : 0.422 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star TOI-4527)



    (Position in Stellar Map of star TOI-4527 and its Exoplanet TOI-4527 b)



    (Zoomed position in Stellar Map of star TOI-4527 and its Exoplanet TOI-4527 b (zoom level 3))

    (Synthetic Spectrum of star TOI-4527*)
    *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