This page summarises the information held within TEPCat for the transiting planetary system K2-103. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2017AJ....153...64M | |
| Date of discovery paper | 2016 / 9 / 6 | y / m / d |
| Data/telescope used for discovery | K2 | |
| Right ascension | 08 41 38.49 | h m s |
| Declination | +17 38 24.0 | d m s |
| Right ascension (decimal) | 130.41037 | degrees |
| Declination (decimal) | 17.64000 | degrees |
| V-band apparent magnitude | 15.26 | mag |
| K-band apparent magnitude | 11.43 | mag |
| Transit duration | 0.145 ( 3.48 ) | day hour |
| Transit depth | 0.13 | % |
| Time of mid-transit | 2457123.23787 ± 0.00432 | HJD or BJD |
| Orbital period | 21.1697 ± 0.0017 | days |
| Reference for orbital ephemeris | 2017AJ....153...64M |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 3880 ± 67 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.14 ± 0.04 | dex |
| Stellar mass | 0.61 ± 0.02 | Msun |
| Stellar radius | 0.59 ± 0.03 | Rsun |
| Stellar logarithmic surface gravity | c.g.s. | |
| Stellar mean density | 2.98 +0.43 −0.38 ( 4.20 +0.61 −0.54 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0 | |
| Orbital semimajor axis | AU | |
| Planetary mass | Mjup Mearth | |
| Planetary radius | 0.20 +0.02 −0.01 ( 2.24 +0.22 −0.11 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | ρjup g cm-3 | |
| Planetary equilibrium temperature | K | |
| Reference of detailed study | 2017AJ....153...64M |
K2-103 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/03/17 John Southworth (Keele University, UK)