|
Exoplanet Name : |
BD+48 738 b |
|
Alternate Name : |
|
|
Status : |
Confirmed |
|
Radius (Rjup / Re): |
0.9078 |
(Rjup) |
10.1759 |
(Rearth) |
|
Mass (Mjup / Me): |
0.9100 |
(Mjup) |
289.3236 |
(Mearth) |
|
Semi Major Axis / Orbital Distance Calculated |
1.0000 |
(AU) |
1.0000 |
(AU Est.) |
|
Eccentricity : |
0.2000 |
|
Orbital Period(Yrs) |
1.0749 |
|
Orbital Period(Observed/Estimated) |
392.60 |
(Days Obs.) |
424.59 |
(Days Est.) |
|
Surface Gravity (G Earth) |
2.7941 |
|
Star Radiation at Atmospheric Boundary: |
56327.4 |
(W/m2) |
|
Measured Temperature (K) |
0.0 |
(K) |
|
Blackbody T 0.1(K) |
687.6 |
(K) |
|
Blackbody T 0.3(K) |
645.7 |
(K) |
|
Blackbody T 0.7(K) |
522.4 |
(K) |
|
Tidally Locked Blackbody T 0.1(K) |
817.7 |
(K) |
|
Tidally Locked Blackbody T 0.3(K) |
767.9 |
(K) |
|
Size Class: |
Jupiter-size |
|
Mass Class: |
|
|
Detection Type : |
Radial Velocity |
|
Mass Detection : |
|
|
Radius Detection : |
|
|
Habitability by Solar Eq. Astronomical Unit: |
Not habitable |
|
Habitability by Kopparapu: |
Not habitable |
|
Star Name : |
BD +48 738 |
|
Alternate Name : |
|
|
Star Distance(LY) : |
2657.7 |
|
Stellar Radius(Rsun) : |
11.0 |
(Rsun Measured) |
|
Stellar Mass(Msun) : |
0.7 |
(Msun Measured) |
0.9 |
(Msun Estimated) |
|
Star Age : |
0.0 |
(GY) |
|
Temperature : |
4414 |
(K) |
|
Spectral type : |
K0III |
|
UV portion[%]: |
1.3 |
|
Visible portion[%]: |
29.6 |
|
IR portion[%]: |
69.1 |
|
Metalicity : |
-0.2 |
|
Absolute Magnitude: |
-0.4 |
|
Apparent Magnitude: |
9.1 |
|
Right Ascension(RA) |
40.7103 |
|
Declination (DEC) |
49.5869 |
|
Hubble Space Telescope Guide Star Catalog (GSC) ID |
03304-00323 |
|
Discovered by |
|
|
Discovery Paper - Authors |
0 |
|
Discovery Paper - Title |
0 |
|
Discovery Paper - Journal |
0 |
|
Discovery Paper - URL |
0 |
|
SIMBAD LINK |
http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=BD%2B48+738+&submit=SIMBAD+search |
|
Open Exoplanet Database Link |
0 |
 |
 |
 |
 |
/
BD+48 738 b
BD+48 738 b
BD+48 738 b is an exoplanet orbiting the star BD +48 738, located about 2657.7 light-years (814.9 pc) away from Solar System. Its discovery was publicly announced on 2011.
The host star BD +48 738 has apparent magnitude of 9.1, with absolute magnitude of -0.4. It is 0.7 times more massive and 11.0 times bigger compared with our Sun. The surface temperature is 4414 with its spectral types of K0III
In this planetary system, the extrasolar planet BD+48 738 b orbits around the star BD +48 738 every 392.6 days with its orbital distance of 1.00 AU ( 149597870.7 km)
(Projected orbit of BD+48 738 b around its host star BD +48 738)
The Star BD +48 738 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 4.643 AU ( 694569094.8 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 6.418 AU ( 960076001.7 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 9.779 AU ( 1462943362.2 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 14.390 AU ( 2152785244.9 km)
Radiation at Planetary Boundary of BD+48 738 b : 56327.37 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star BD +48 738)
Kopparapu Recent Venus for Star BD +48 738 distance : 5.143 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star BD +48 738 distance : 6.510 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star BD +48 738 distance : 6.288 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star BD +48 738 distance : 6.907 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star BD +48 738 distance : 12.108 AU
Kopparapu Outer Boundary for Early Mars for Star BD +48 738 distance : 12.772 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star BD +48 738)
Original Kopparapu Recent Venus for Star BD +48 738 distance : 5.074 AU
Original Kopparapu Runaway Greenhouse for Star BD +48 738 distance : 6.723 AU
Original Kopparapu Moist Greenhouse for Star BD +48 738 distance : 6.714 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star BD +48 738 distance : 12.305 AU
Original Kopparapu Outer Boundary for Early Mars for Star BD +48 738 distance : 12.796 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star BD +48 738)
(Position in Stellar Map of star BD +48 738 and its Exoplanet BD+48 738 b)
(Zoomed position in Stellar Map of star BD +48 738 and its Exoplanet BD+48 738 b (zoom level 3))
(Synthetic Spectrum of star BD +48 738*)
*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
