This page summarises the information held within TEPCat for the transiting planetary system Kepler-9d. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2011ApJ...727...24T | |
| Date of discovery paper | 2010 / 11 / 22 | y / m / d |
| Right ascension | 19 02 17.76 | h m s |
| Declination | +38 24 03.2 | d m s |
| V-band apparent magnitude | 13.93 | mag |
| K-band apparent magnitude | 12.34 | mag |
| Transit duration | 0.0821 ( 1.970 ) | day hour |
| Transit depth | 0.02 | % |
| Time of mid-transit | 2455733.15785 ± 0.00026 | HJD or BJD |
| Orbital period | 1.5929592 ± 0.0000010 | days |
| Reference for orbital ephemeris | arXiv:1403.1372 |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5777 ± 61 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.12 ± 0.04 | dex |
| Stellar mass | 1.05 ± 0.03 | Msun |
| Stellar radius | 1.23 ± 0.01 | Rsun |
| Stellar logarithmic surface gravity | c.g.s. | |
| Stellar mean density | ρsun g cm-3 | |
| Orbital eccentricity | 0.0 | |
| Orbital semimajor axis | 0.0271 ± 0.0001 | AU |
| Planetary mass | Mjup Mearth | |
| Planetary radius | 0.146 +0.017 −0.012 ( 1.64 +0.19 −0.13 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | ρjup g cm-3 | |
| Planetary equilibrium temperature | 2026 ± 60 | K |
| Reference of detailed study | arXiv:1403.1372 |
Kepler-9d does not have an entry in the catalogue of Rossiter-McLaughlin measurements.
Kepler-9d has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.
Page generated on 2017/08/07 John Southworth (Keele University, UK)