|
Exoplanet Name : |
HD 103774 A b |
|
Alternate Name : |
HD 103774 b |
|
Status : |
Confirmed |
|
Radius (Rjup / Re): |
0.9078 |
(Rjup) |
10.1759 |
(Rearth) |
|
Mass (Mjup / Me): |
0.3670 |
(Mjup) |
116.6832 |
(Mearth) |
|
Semi Major Axis / Orbital Distance Calculated |
0.0700 |
(AU) |
0.0700 |
(AU Est.) |
|
Eccentricity : |
0.0900 |
|
Orbital Period(Yrs) |
0.0161 |
|
Orbital Period(Observed/Estimated) |
5.89 |
(Days Obs.) |
5.85 |
(Days Est.) |
|
Surface Gravity (G Earth) |
1.1268 |
|
Star Radiation at Atmospheric Boundary: |
655620.0 |
(W/m2) |
|
Measured Temperature (K) |
0.0 |
(K) |
|
Blackbody T 0.1(K) |
1270.0 |
(K) |
|
Blackbody T 0.3(K) |
1192.7 |
(K) |
|
Blackbody T 0.7(K) |
965.0 |
(K) |
|
Tidally Locked Blackbody T 0.1(K) |
1510.3 |
(K) |
|
Tidally Locked Blackbody T 0.3(K) |
1418.3 |
(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 : |
HD 103774 A |
|
Alternate Name : |
HD 103774 |
|
Star Distance(LY) : |
184.2 |
|
Stellar Radius(Rsun) : |
1.2 |
(Rsun Estimated) |
|
Stellar Mass(Msun) : |
1.3 |
(Msun Measured) |
1.3 |
(Msun Estimated) |
|
Star Age : |
1.1 |
(GY) |
|
Temperature : |
6489 |
(K) |
|
Spectral type : |
F5V |
|
UV portion[%]: |
0.3 |
|
Visible portion[%]: |
1.5 |
|
IR portion[%]: |
98.2 |
|
Metalicity : |
0.3 |
|
Absolute Magnitude: |
3.4 |
|
Apparent Magnitude: |
7.1 |
|
Right Ascension(RA) |
179.2316 |
|
Declination (DEC) |
-12.1078 |
|
Hubble Space Telescope Guide Star Catalog (GSC) ID |
05521-01086 |
|
Discovered by |
|
|
Discovery Paper - Authors |
"G. Lo Curto, M. Mayor, W. Benz, F. Bouchy, G. H¥¹¡£¥¹¥åebrard, C. Lovis, C. Moutou, D. Naef, F. Pepe, D. Queloz, N.C. Santos, D. Segransan, and S. Udry" |
|
Discovery Paper - Title |
The HARPS search for southern extrasolar planets XXXIII. New multi-planet systems in the HARPS volume limited sample: a super-Earth and a Neptune in the habitable zone. |
|
Discovery Paper - Journal |
"7 pages, 14 figures, accepted for publication by A&A, 04-01-2013" |
|
Discovery Paper - URL |
https://arxiv.org/abs/1301.2741 |
|
SIMBAD LINK |
http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=HD+103774+&submit=SIMBAD+search |
|
Open Exoplanet Database Link |
http://www.openexoplanetcatalogue.com/planet/HD%20103774%20b/ |
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HD 103774 A b
HD 103774 A b
HD 103774 A b is an exoplanet orbiting the star HD 103774 A, located about 184.2 light-years (56.5 pc) away from Solar System. Its discovery was publicly announced on 2013.
The host star HD 103774 A has apparent magnitude of 7.1, with absolute magnitude of 3.4. It is 1.3 times more massive and 1.2 times bigger compared with our Sun. The surface temperature is 6489 with its spectral types of F5V
In this planetary system, the extrasolar planet HD 103774 A b orbits around the star HD 103774 A every 5.9 days with its orbital distance of 0.07 AU ( 10471850.9 km)
(Projected orbit of HD 103774 A b around its host star HD 103774 A)
The Star HD 103774 A 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 1.109 AU ( 165874588.7 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 1.533 AU ( 229282029.7 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 2.335 AU ( 349375073.3 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 3.437 AU ( 514120725.5 km)
Radiation at Planetary Boundary of HD 103774 A b : 655620.05 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 103774 A)
Kopparapu Recent Venus for Star HD 103774 A distance : 1.101 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star HD 103774 A distance : 1.394 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HD 103774 A distance : 1.347 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star HD 103774 A distance : 1.475 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 103774 A distance : 2.426 AU
Kopparapu Outer Boundary for Early Mars for Star HD 103774 A distance : 2.559 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 103774 A)
Original Kopparapu Recent Venus for Star HD 103774 A distance : 1.120 AU
Original Kopparapu Runaway Greenhouse for Star HD 103774 A distance : 1.429 AU
Original Kopparapu Moist Greenhouse for Star HD 103774 A distance : 1.481 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 103774 A distance : 2.470 AU
Original Kopparapu Outer Boundary for Early Mars for Star HD 103774 A distance : 2.569 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 103774 A)
(Position in Stellar Map of star HD 103774 A and its Exoplanet HD 103774 A b)
(Zoomed position in Stellar Map of star HD 103774 A and its Exoplanet HD 103774 A b (zoom level 3))
(Synthetic Spectrum of star HD 103774 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
