Exoplanet Name : |
HIP 55507 b |
Alternate Name : |
BD+47 1863 b |
Status : |
Confirmed |
Radius (Rjup / Re): |
0.9078 |
(Rjup) |
10.1759 |
(Rearth) |
Mass (Mjup / Me): |
8.1350 |
(Mjup) |
2586.4256 |
(Mearth) |
Semi Major Axis / Orbital Distance Calculated |
5.0620 |
(AU) |
5.0620 |
(AU Est.) |
Eccentricity : |
0.3620 |
Orbital Period(Yrs) |
14.0678 |
Orbital Period(Observed/Estimated) |
5138.40 |
(Days Obs.) |
5159.61 |
(Days Est.) |
Surface Gravity (G Earth) |
24.9780 |
Star Radiation at Atmospheric Boundary: |
7.6 |
(W/m2) |
Measured Temperature (K) |
0.0 |
(K) |
Blackbody T 0.1(K) |
74.0 |
(K) |
Blackbody T 0.3(K) |
69.5 |
(K) |
Blackbody T 0.7(K) |
56.3 |
(K) |
Tidally Locked Blackbody T 0.1(K) |
88.0 |
(K) |
Tidally Locked Blackbody T 0.3(K) |
82.7 |
(K) |
Size Class: |
Jupiter-size |
Mass Class: |
|
Detection Type : |
"Radial Velocity, Astrometry" |
Mass Detection : |
Astrometry |
Radius Detection : |
|
Habitability by Solar Eq. Astronomical Unit: |
Not habitable |
Habitability by Kopparapu: |
Not habitable |
Star Name : |
HIP 55507 |
Alternate Name : |
BD+47 1863 |
Star Distance(LY) : |
83.1 |
Stellar Radius(Rsun) : |
0.7 |
(Rsun Measured) |
Stellar Mass(Msun) : |
0.7 |
(Msun Measured) |
0.7 |
(Msun Estimated) |
Star Age : |
0.0 |
(GY) |
Temperature : |
4171 |
(K) |
Spectral type : |
K8V |
UV portion[%]: |
0.8 |
Visible portion[%]: |
26.7 |
IR portion[%]: |
72.5 |
Metalicity : |
0.0 |
Absolute Magnitude: |
7.8 |
Apparent Magnitude: |
9.8 |
Right Ascension(RA) |
170.5240 |
Declination (DEC) |
46.9084 |
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 |
|
![](HIP_55507_b_CSun.png) |
![](HIP_55507_b_CJup.png) |
![](HIP_55507_b_CNep.png) |
![](HIP_55507_b_CEar.png) |
/
HIP 55507 b
HIP 55507 b
HIP 55507 b is an exoplanet orbiting the star HIP 55507, located about 83.1 light-years (25.5 pc) away from Solar System. Its discovery was publicly announced on 2022.
The host star HIP 55507 has apparent magnitude of 9.8, with absolute magnitude of 7.8. It is 0.7 times more massive and 0.7 times bigger compared with our Sun. The surface temperature is 4171 with its spectral types of K8V
In this planetary system, the extrasolar planet HIP 55507 b orbits around the star HIP 55507 every 5138.4 days with its orbital distance of 5.06 AU ( 757264421.5 km)
(Projected orbit of HIP 55507 b around its host star HIP 55507)
![](HIP_55507_b_Orb.png)
The Star HIP 55507 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 0.272 AU ( 40763999.7 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 0.377 AU ( 56346500.5 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 0.574 AU ( 85859597.2 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 0.845 AU ( 126346158.6 km)
Radiation at Planetary Boundary of HIP 55507 b : 7.57 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HIP 55507)
![](HIP_55507_b_OrbH.png)
Kopparapu Recent Venus for Star HIP 55507 distance : 0.304 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star HIP 55507 distance : 0.385 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HIP 55507 distance : 0.372 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star HIP 55507 distance : 0.408 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star HIP 55507 distance : 0.724 AU
Kopparapu Outer Boundary for Early Mars for Star HIP 55507 distance : 0.764 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star HIP 55507)
![](HIP_55507_b_OrbK.png)
Original Kopparapu Recent Venus for Star HIP 55507 distance : 0.300 AU
Original Kopparapu Runaway Greenhouse for Star HIP 55507 distance : 0.398 AU
Original Kopparapu Moist Greenhouse for Star HIP 55507 distance : 0.397 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HIP 55507 distance : 0.736 AU
Original Kopparapu Outer Boundary for Early Mars for Star HIP 55507 distance : 0.765 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star HIP 55507)
![](HIP_55507_b_OrbKO.png)
(Position in Stellar Map of star HIP 55507 and its Exoplanet HIP 55507 b)
![](HIP_55507_b_STZ0.png)
(Zoomed position in Stellar Map of star HIP 55507 and its Exoplanet HIP 55507 b (zoom level 3))
![](HIP_55507_b_STZ3.png)
(Synthetic Spectrum of star HIP 55507*)
![](HIP_55507_b_Spc.png)
*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