This page summarises the information held within TEPCat for the transiting planetary system HD 219134c. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2017NatAs...1E..56G | |
| Date of discovery paper | 2017 / 3 / 7 | y / m / d |
| Data/telescope used for discovery | Spitzer | |
| Right ascension | 23 13 16.98 | h m s |
| Declination | +57 10 06.1 | d m s |
| Right ascension (decimal) | 348.32075 | degrees |
| Declination (decimal) | 57.16836 | degrees |
| V-band apparent magnitude | 5.57 | mag |
| K-band apparent magnitude | 3.26 | mag |
| Transit duration | 0.0692 ( 1.661 ) | day hour |
| Transit depth | 0.032 | % |
| Time of mid-transit | 2457474.04591 ± 0.00088 | HJD or BJD |
| Orbital period | 6.76458 ± 0.00033 | days |
| Reference for orbital ephemeris | 2017NatAs...1E..56G |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 4699 ± 16 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.11 ± 0.04 | dex |
| Stellar mass | 0.81 ± 0.03 | Msun |
| Stellar radius | 0.778 ± 0.005 | Rsun |
| Stellar logarithmic surface gravity | 4.567 ± 0.018 | c.g.s. |
| Stellar mean density | 1.719 ± 0.073 ( 2.43 ± 0.10 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.062 ± 0.039 | |
| Orbital semimajor axis | 0.06530 ± 0.00080 | AU |
| Planetary mass | 0.0137 ± 0.0007 ( 4.36 ± 0.22 ) | Mjup Mearth |
| Planetary radius | 0.1348 ± 0.0042 ( 1.511 ± 0.047 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | 5.22 ± 0.58 ( 6.92 ± 0.77 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 782 ± 6 | K |
| Reference of detailed study | 2017NatAs...1E..56G |
HD 219134c does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/03/17 John Southworth (Keele University, UK)