This page summarises the information held within TEPCat for the transiting planetary system Kepler-17. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2011ApJS..197...14D | |
| Date of discovery paper | 2011 / 7 / 29 | y / m / d |
| Data/telescope used for discovery | Kepler | |
| Right ascension | 19 53 34.86 | h m s |
| Declination | +47 48 54.0 | d m s |
| Right ascension (decimal) | 298.39525 | degrees |
| Declination (decimal) | 47.81500 | degrees |
| V-band apparent magnitude | 14.30 | mag |
| K-band apparent magnitude | 12.59 | mag |
| Transit duration | 0.09485 ( 2.2764 ) | day hour |
| Transit depth | 2.0 | % |
| Time of mid-transit | 2455185.678033 ± 0.000023 | HJD or BJD |
| Orbital period | 1.48571091 ± 0.00000021 | days |
| Reference for orbital ephemeris | 2013A+A...560A.112M |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5781 ± 85 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.26 ± 0.10 | dex |
| Stellar mass | 1.066 +0.050 −0.161 | Msun |
| Stellar radius | 0.983 +0.019 −0.050 | Rsun |
| Stellar logarithmic surface gravity | 4.481 +0.007 −0.024 | c.g.s. |
| Stellar mean density | 1.121 +0.015 −0.034 ( 1.582 +0.021 −0.048 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0 | |
| Orbital semimajor axis | 0.02605 +0.00041 −0.00133 | AU |
| Planetary mass | 2.340 +0.089 −0.244 ( 743 +28 −77 ) | Mjup Mearth |
| Planetary radius | 1.310 +0.024 −0.067 ( 14.68 + 0.27 − 0.75 ) | Rjup Rearth |
| Planetary surface gravity | 33.82 +0.85 −1.01 3.53 +0.01 −0.01 | m/s2 log(cgs) |
| Planetary mean density | 0.974 +0.057 −0.039 ( 1.292 +0.076 −0.052 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 1712 +26 −25 | K |
| Reference of detailed study | 2012MNRAS.426.1291S |
| Reference | λ (degrees) |
|---|---|
| Désert et al. (2011) | 0 ± 15 |
Page generated on 2025/03/24 John Southworth (Keele University, UK)