This page summarises the information held within TEPCat for the transiting system K2-13b. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2015ApJ...809...25M | |
| Date of discovery paper | 2015 / 3 / 27 | y / m / d |
| Data/telescope used for discovery | K2 | |
| Right ascension | 11 20 37.33 | h m s |
| Declination | +02 30 09.7 | d m s |
| Right ascension (decimal) | 170.15554 | degrees |
| Declination (decimal) | 2.50269 | degrees |
| V-band apparent magnitude | 12.90 | mag |
| K-band apparent magnitude | 11.16 | mag |
| Transit duration | 0.0 ( 0. ) | day hour |
| Transit depth | 0.06 | % |
| Time of mid-transit | 2456812.53430 ± 0.01720 | HJD or BJD |
| Orbital period | 40.04833 ± 0.02111 | days |
| Reference for orbital ephemeris | 2015ApJ...809...25M |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5698 +45 −82 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.54 +0.12 −0.14 | dex |
| Stellar mass | 0.80 ± 0.04 | Msun |
| Stellar radius | 0.78 +0.09 −0.05 | Rsun |
| Stellar logarithmic surface gravity | c.g.s. | |
| Stellar mean density | ρsun g cm-3 | |
| Orbital eccentricity | 0.0 | |
| Orbital semimajor axis | 0.2114 ± 0.0061 | AU |
| Planetary mass | Mjup Mearth | |
| Planetary radius | 0.169 ± 0.085 ( 1.89 ± 0.95 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | ρjup g cm-3 | |
| Planetary equilibrium temperature | 511 ± 126 | K |
| Reference of detailed study | 2015ApJ...809...25M |
K2-13b does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/08/27 John Southworth (Keele University, UK)