This page summarises the information held within TEPCat for the transiting planetary system K2-3d. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2015ApJ...804...10C | |
| Date of discovery paper | 2014 / 1 / 16 | y / m / d |
| Data/telescope used for discovery | K2 | |
| Right ascension | 11 29 20.39 | h m s |
| Declination | −01 27 17.2 | d m s |
| Right ascension (decimal) | 172.33496 | degrees |
| Declination (decimal) | -1.45478 | degrees |
| V-band apparent magnitude | 12.17 | mag |
| K-band apparent magnitude | 8.56 | mag |
| Transit duration | 0.1696 ( 4.070 ) | day hour |
| Transit depth | 0.007 | % |
| Time of mid-transit | 2457271.78796 ± 0.00076 | HJD or BJD |
| Orbital period | 44.55603 ± 0.00012 | days |
| Reference for orbital ephemeris | 2022AJ....164..172D |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 3844 +61 −63 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.16 ± 0.08 | dex |
| Stellar mass | 0.549 +0.029 −0.027 | Msun |
| Stellar radius | 0.546 +0.018 −0.016 | Rsun |
| Stellar logarithmic surface gravity | 4.704 +0.023 −0.026 | c.g.s. |
| Stellar mean density | 3.39 +0.26 −0.28 ( 4.78 +0.37 −0.40 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.091 +0.120 −0.064 | |
| Orbital semimajor axis | 0.2014 +0.0034 −0.0033 | AU |
| Planetary mass | 0.000 ± 0.007 ( 0.0 ± 2.2 ) | Mjup Mearth |
| Planetary radius | 0.1301 +0.0050 −0.0045 ( 1.458 +0.056 −0.050 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | 0.0 +2.9 −0.0 ( 0.0 +3.8 −0.0 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 305 ± 3 | K |
| Reference of detailed study | 2022AJ....164..172D |
K2-3d does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2024/09/10 John Southworth (Keele University, UK)