Imaginary Picture of TYC 1744-123-1 b

Display orbital revolution of TYC 1744-123-1 b around the hoststar TYC 1744-123-1
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Exoplanet Name : TYC 1744-123-1 b
Alternate Name : CWISE J004218.67+291730.6
Status : Confirmed
Radius (Rjup / Re): 0.9078 (Rjup) 10.1759 (Rearth)
Mass (Mjup / Me): 60.0000 (Mjup) 19076.2800 (Mearth)
Semi Major Axis / Orbital Distance Calculated 7100.0000 (AU) 7100.0000 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 720035.0435
Orbital Period(Observed/Estimated) 263000000.00 (Days Obs.) 275300799.71 (Days Est.)
Surface Gravity (G Earth) 184.2260
Star Radiation at Atmospheric Boundary: 0.0 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1.8 (K)
Blackbody T 0.3(K) 1.7 (K)
Blackbody T 0.7(K) 1.4 (K)
Tidally Locked Blackbody T 0.1(K) 2.2 (K)
Tidally Locked Blackbody T 0.3(K) 2.1 (K)
Size Class: Jupiter-size
Mass Class:
Detection Type : Imaging
Mass Detection : Spectrum
Radius Detection :
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : TYC 1744-123-1
Alternate Name : "TIC 25763015, 2MASS J00422554+2918178"
Star Distance(LY) : 224.4
Stellar Radius(Rsun) : 0.7 (Rsun Measured)
Stellar Mass(Msun) : 0.6 (Msun Measured) 0.7 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 4047 (K)
Spectral type : K7V
UV portion[%]: 0.8
Visible portion[%]: 25.3
IR portion[%]: 74.0
Metalicity : -0.1
Absolute Magnitude: 7.6
Apparent Magnitude: 11.8
Right Ascension(RA) 10.6065
Declination (DEC) 29.3049
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
TYC 1744-123-1 b
TYC 1744-123-1 b

  • TYC 1744-123-1 b is an exoplanet orbiting the star TYC 1744-123-1, located about 224.4 light-years (68.8 pc) away from Solar System. Its discovery was publicly announced on 2024.
  • The host star TYC 1744-123-1 has apparent magnitude of 11.8, with absolute magnitude of 7.6.
  • It is 0.6 times more massive and 0.7 times bigger compared with our Sun. The surface temperature is 4047 with its spectral types of K7V
  • In this planetary system, the extrasolar planet TYC 1744-123-1 b orbits around the star TYC 1744-123-1 every 263000000.0 days with its orbital distance of 7100.00 AU ( 1062144881970.0 km)
  • (Projected orbit of TYC 1744-123-1 b around its host star TYC 1744-123-1)


  • The Star TYC 1744-123-1 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.238 AU ( 35669234.9 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.330 AU ( 49304204.2 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.502 AU ( 75128696.1 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.739 AU ( 110555167.6 km)
  • Radiation at Planetary Boundary of TYC 1744-123-1 b : 0.00 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star TYC 1744-123-1)



  • Kopparapu Recent Venus for Star TYC 1744-123-1 distance : 0.267 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star TYC 1744-123-1 distance : 0.338 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star TYC 1744-123-1 distance : 0.326 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star TYC 1744-123-1 distance : 0.359 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star TYC 1744-123-1 distance : 0.639 AU
  • Kopparapu Outer Boundary for Early Mars for Star TYC 1744-123-1 distance : 0.675 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star TYC 1744-123-1)



  • Original Kopparapu Recent Venus for Star TYC 1744-123-1 distance : 0.264 AU
  • Original Kopparapu Runaway Greenhouse for Star TYC 1744-123-1 distance : 0.349 AU
  • Original Kopparapu Moist Greenhouse for Star TYC 1744-123-1 distance : 0.349 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star TYC 1744-123-1 distance : 0.650 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star TYC 1744-123-1 distance : 0.676 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star TYC 1744-123-1)



    (Position in Stellar Map of star TYC 1744-123-1 and its Exoplanet TYC 1744-123-1 b)



    (Zoomed position in Stellar Map of star TYC 1744-123-1 and its Exoplanet TYC 1744-123-1 b (zoom level 3))

    (Synthetic Spectrum of star TYC 1744-123-1*)
    *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