Exoplanet Name : |
PTFO 8-8695 b |
Alternate Name : |
CVSO 30 b |
Status : |
Controversial |
Radius (Rjup / Re): |
0.3600 |
(Rjup) |
4.0352 |
(Rearth) |
Mass (Mjup / Me): |
5.6000 |
(Mjup) |
1780.4528 |
(Mearth) |
Semi Major Axis / Orbital Distance Calculated |
0.0083 |
(AU) |
0.0083 |
(AU Est.) |
Eccentricity : |
0.0000 |
Orbital Period(Yrs) |
0.0012 |
Orbital Period(Observed/Estimated) |
0.45 |
(Days Obs.) |
0.44 |
(Days Est.) |
Surface Gravity (G Earth) |
109.3432 |
Star Radiation at Atmospheric Boundary: |
699702.6 |
(W/m2) |
Measured Temperature (K) |
0.0 |
(K) |
Blackbody T 0.1(K) |
1290.8 |
(K) |
Blackbody T 0.3(K) |
1212.2 |
(K) |
Blackbody T 0.7(K) |
980.8 |
(K) |
Tidally Locked Blackbody T 0.1(K) |
1535.1 |
(K) |
Tidally Locked Blackbody T 0.3(K) |
1441.6 |
(K) |
Size Class: |
Neptune-size |
Mass Class: |
|
Detection Type : |
Primary Transit |
Mass Detection : |
|
Radius Detection : |
Primary Transit |
Habitability by Solar Eq. Astronomical Unit: |
Not habitable |
Habitability by Kopparapu: |
Not habitable |
Star Name : |
PTFO 8-8695 |
Alternate Name : |
CVSO 30 |
Star Distance(LY) : |
1076.3 |
Stellar Radius(Rsun) : |
0.5 |
(Rsun Measured) |
Stellar Mass(Msun) : |
0.4 |
(Msun Measured) |
0.4 |
(Msun Estimated) |
Star Age : |
0.0 |
(GY) |
Temperature : |
3740 |
(K) |
Spectral type : |
M3 PMS |
UV portion[%]: |
0.4 |
Visible portion[%]: |
18.8 |
IR portion[%]: |
80.8 |
Metalicity : |
0.0 |
Absolute Magnitude: |
8.7 |
Apparent Magnitude: |
16.3 |
Right Ascension(RA) |
81.2815 |
Declination (DEC) |
1.5733 |
Hubble Space Telescope Guide Star Catalog (GSC) ID |
|
Discovered by |
|
Discovery Paper - Authors |
|
Discovery Paper - Title |
|
Discovery Paper - Journal |
0 |
Discovery Paper - URL |
0 |
SIMBAD LINK |
http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=CVSO+30+&submit=SIMBAD+search |
Open Exoplanet Database Link |
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PTFO 8-8695 b
PTFO 8-8695 b
PTFO 8-8695 b is an exoplanet orbiting the star PTFO 8-8695, located about 1076.3 light-years (330.0 pc) away from Solar System. Its discovery was publicly announced on 2012.
The host star PTFO 8-8695 has apparent magnitude of 16.3, with absolute magnitude of 8.7. It is 0.4 times more massive and 0.5 times bigger compared with our Sun. The surface temperature is 3740 with its spectral types of M3 PMS
In this planetary system, the extrasolar planet PTFO 8-8695 b orbits around the star PTFO 8-8695 every 0.4 days with its orbital distance of 0.01 AU ( 1246599.1 km)
(Projected orbit of PTFO 8-8695 b around its host star PTFO 8-8695)
The Star PTFO 8-8695 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 0.136 AU ( 20399232.6 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 0.188 AU ( 28197070.5 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 0.287 AU ( 42966095.4 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 0.423 AU ( 63226491.6 km)
Radiation at Planetary Boundary of PTFO 8-8695 b : 699702.59 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star PTFO 8-8695)
Kopparapu Recent Venus for Star PTFO 8-8695 distance : 0.154 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star PTFO 8-8695 distance : 0.194 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star PTFO 8-8695 distance : 0.188 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star PTFO 8-8695 distance : 0.206 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star PTFO 8-8695 distance : 0.374 AU
Kopparapu Outer Boundary for Early Mars for Star PTFO 8-8695 distance : 0.394 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star PTFO 8-8695)
Original Kopparapu Recent Venus for Star PTFO 8-8695 distance : 0.152 AU
Original Kopparapu Runaway Greenhouse for Star PTFO 8-8695 distance : 0.201 AU
Original Kopparapu Moist Greenhouse for Star PTFO 8-8695 distance : 0.201 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star PTFO 8-8695 distance : 0.380 AU
Original Kopparapu Outer Boundary for Early Mars for Star PTFO 8-8695 distance : 0.395 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star PTFO 8-8695)
(Position in Stellar Map of star PTFO 8-8695 and its Exoplanet PTFO 8-8695 b)
(Zoomed position in Stellar Map of star PTFO 8-8695 and its Exoplanet PTFO 8-8695 b (zoom level 3))
(Synthetic Spectrum of star PTFO 8-8695*)
*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