This page summarises the information held within TEPCat for the transiting planetary system K2-30. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2016A+A...594A..50L | |
| Date of discovery paper | 2016 / 1 / 29 | y / m / d |
| Data/telescope used for discovery | K2 | |
| Right ascension | 03 29 22.07 | h m s |
| Declination | +22 17 57.9 | d m s |
| Right ascension (decimal) | 52.34196 | degrees |
| Declination (decimal) | 22.29942 | degrees |
| V-band apparent magnitude | 13.53 | mag |
| K-band apparent magnitude | 11.09 | mag |
| Transit duration | 0.0984 ( 2.362 ) | day hour |
| Transit depth | 1.7 | % |
| Time of mid-transit | 2457112.988874 ± 0.000013 | HJD or BJD |
| Orbital period | 4.098481163 ± 0.000000018 | days |
| Reference for orbital ephemeris | 2022ExA....53..547K |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5582 ± 39 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.137 ± 0.031 | dex |
| Stellar mass | 0.984 ± 0.020 | Msun |
| Stellar radius | 0.941 ± 0.038 | Rsun |
| Stellar logarithmic surface gravity | 4.484 ± 0.039 | c.g.s. |
| Stellar mean density | 1.18 ± 0.15 ( 1.66 ± 0.21 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.026 +0.038 −0.020 | |
| Orbital semimajor axis | 0.04986 ± 0.00033 | AU |
| Planetary mass | 0.625 ± 0.030 ( 198.68 ± 9.54 ) | Mjup Mearth |
| Planetary radius | 1.197 ± 0.052 ( 13.42 ± 0.58 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | 0.363 ± 0.055 ( 0.482 ± 0.073 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 1152 ± 19 | K |
| Reference of detailed study | 2016A+A...594A..50L |
K2-30 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/03/12 John Southworth (Keele University, UK)