|
Exoplanet Name : |
HIP 948 b |
|
Alternate Name : |
CD-39 31 b |
|
Status : |
Confirmed |
|
Radius (Rjup / Re): |
0.9078 |
(Rjup) |
10.1759 |
(Rearth) |
|
Mass (Mjup / Me): |
20.6000 |
(Mjup) |
6549.5228 |
(Mearth) |
|
Semi Major Axis / Orbital Distance Calculated |
15.0370 |
(AU) |
15.0370 |
(AU Est.) |
|
Eccentricity : |
0.2300 |
|
Orbital Period(Yrs) |
68.3226 |
|
Orbital Period(Observed/Estimated) |
24955.50 |
(Days Obs.) |
25275.68 |
(Days Est.) |
|
Surface Gravity (G Earth) |
63.2509 |
|
Star Radiation at Atmospheric Boundary: |
1.0 |
(W/m2) |
|
Measured Temperature (K) |
0.0 |
(K) |
|
Blackbody T 0.1(K) |
45.2 |
(K) |
|
Blackbody T 0.3(K) |
42.4 |
(K) |
|
Blackbody T 0.7(K) |
34.3 |
(K) |
|
Tidally Locked Blackbody T 0.1(K) |
53.7 |
(K) |
|
Tidally Locked Blackbody T 0.3(K) |
50.5 |
(K) |
|
Size Class: |
Jupiter-size |
|
Mass Class: |
|
|
Detection Type : |
"Radial Velocity, Astrometry" |
|
Mass Detection : |
Astrometry |
|
Radius Detection : |
Primary Transit |
|
Habitability by Solar Eq. Astronomical Unit: |
Not habitable |
|
Habitability by Kopparapu: |
Not habitable |
|
Star Name : |
HIP 948 |
|
Alternate Name : |
CD-39 31 |
|
Star Distance(LY) : |
113.7 |
|
Stellar Radius(Rsun) : |
0.7 |
(Rsun Measured) |
|
Stellar Mass(Msun) : |
0.7 |
(Msun Measured) |
0.7 |
(Msun Estimated) |
|
Star Age : |
0.0 |
(GY) |
|
Temperature : |
4497 |
(K) |
|
Spectral type : |
K5V |
|
UV portion[%]: |
1.6 |
|
Visible portion[%]: |
31.0 |
|
IR portion[%]: |
67.4 |
|
Metalicity : |
0.0 |
|
Absolute Magnitude: |
7.2 |
|
Apparent Magnitude: |
9.9 |
|
Right Ascension(RA) |
2.9235 |
|
Declination (DEC) |
-39.2299 |
|
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 |
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HIP 948 b
HIP 948 b
HIP 948 b is an exoplanet orbiting the star HIP 948, located about 113.7 light-years (34.9 pc) away from Solar System. Its discovery was publicly announced on 2022.
The host star HIP 948 has apparent magnitude of 9.9, with absolute magnitude of 7.2. It is 0.7 times more massive and 0.7 times bigger compared with our Sun. The surface temperature is 4497 with its spectral types of K5V
In this planetary system, the extrasolar planet HIP 948 b orbits around the star HIP 948 every 24955.5 days with its orbital distance of 15.04 AU ( 2249503181.7 km)
(Projected orbit of HIP 948 b around its host star HIP 948)
The Star HIP 948 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 0.301 AU ( 45091255.3 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 0.417 AU ( 62327898.6 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 0.635 AU ( 94973924.3 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 0.934 AU ( 139758290.1 km)
Radiation at Planetary Boundary of HIP 948 b : 1.05 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HIP 948)
Kopparapu Recent Venus for Star HIP 948 distance : 0.333 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star HIP 948 distance : 0.421 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HIP 948 distance : 0.407 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star HIP 948 distance : 0.447 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star HIP 948 distance : 0.781 AU
Kopparapu Outer Boundary for Early Mars for Star HIP 948 distance : 0.824 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star HIP 948)
Original Kopparapu Recent Venus for Star HIP 948 distance : 0.329 AU
Original Kopparapu Runaway Greenhouse for Star HIP 948 distance : 0.435 AU
Original Kopparapu Moist Greenhouse for Star HIP 948 distance : 0.435 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HIP 948 distance : 0.794 AU
Original Kopparapu Outer Boundary for Early Mars for Star HIP 948 distance : 0.825 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star HIP 948)
(Position in Stellar Map of star HIP 948 and its Exoplanet HIP 948 b)
(Zoomed position in Stellar Map of star HIP 948 and its Exoplanet HIP 948 b (zoom level 3))
(Synthetic Spectrum of star HIP 948*)
*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
