Gliese 49 A

Display orbital revolution around the star Gliese 49 A
Imaginary Picture of Star Gliese 49 A
Star Name : Gliese 49 A
Alternate Name : "2MASS J01023895+6220422, BD+61 195, HIP 4872, IRAS 00594+6204, LHS 1179, TYC 4021-01115-1, WDS J01026+6221A, WISE J0102œ
Star Distance (LY/pc): 32.1459 (LY) 9.8560 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.5110 (Rsun, estimated)
Stellar Mass (Msun): 0.5150 (Msun/observed) 0.5150 (Msun/estimated)
Spectral type : M1.5V
Metalicity : 0.1300
Absolute Magnitude : 9.59
Apparent Magnitude : 9.56
Right Ascension(RA) : 15.67083
Declination(DEC) : 62.34556
  • This is the Gliese 49 A . The star Gliese 49 A islocated about 32.1 light-years ( 9.9 pc) away from our Solar System.
  • The star Gliese 49 A has apparent magnitude of 9.6, with absolute magnitude of 9.6.
  • It is 0.5 times more massive and 0.5 times bigger compared with our Sun. The surface temperature is 3805 with its spectral types of M1.5V
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet Gliese 49 Ab radius 0.140541 mass 0.017710 orbital distance 0.090500
    (Illustration of the Gliese 49 A's Planetary System)



    The Star Gliese 49 A 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.160 AU ( 23976640.7 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.222 AU ( 33141983.3 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.338 AU ( 50501048.2 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.497 AU ( 74314504.7 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Gliese 49 A)



    Kopparapu's Recent Venus for Star Gliese 49 A distance : 0.180 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star Gliese 49 A distance : 0.228 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star Gliese 49 A distance : 0.220 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star Gliese 49 A distance : 0.241 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star Gliese 49 A distance : 0.437 AU
    Kopparapu's Outer Boundary for Early Mars for Star Gliese 49 A distance : 0.461 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Gliese 49 A)



  • Original Kopparapu Recent Venus for Star Gliese 49 A distance : 0.178 AU
  • Original Kopparapu Runaway Greenhouse for Star Gliese 49 A distance : 0.236 AU
  • Original Kopparapu Moist Greenhouse for Star Gliese 49 A distance : 0.236 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Gliese 49 A distance : 0.444 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Gliese 49 A distance : 0.462 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Gliese 49 A)



    (Position in Stellar Map of star Gliese 49 A )



    (Zoomed position in Stellar Map of star Gliese 49 A (zoom level 3))

    (Synthetic Spectrum of star GJ 676 A*)
    *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