This page summarises the information held within TEPCat for the transiting planetary system K2-285b. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2019A+A...623A..41P | |
| Date of discovery paper | 2018 / 8 / 2 | y / m / d |
| Data/telescope used for discovery | K2 | |
| Right ascension | 23 17 32.23 | h m s |
| Declination | +01 18 01.0 | d m s |
| Right ascension (decimal) | 349.38429 | degrees |
| Declination (decimal) | 1.30028 | degrees |
| V-band apparent magnitude | 12.03 | mag |
| K-band apparent magnitude | 9.97 | mag |
| Transit duration | 0.107 ( 2.57 ) | day hour |
| Transit depth | 0.097 | % |
| Time of mid-transit | 2457743.37545 ± 0.00051 | HJD or BJD |
| Orbital period | 3.471745 ± 0.000045 | days |
| Reference for orbital ephemeris | 2019A+A...623A..41P |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 4975 ± 95 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.00 ± 0.05 | dex |
| Stellar mass | 0.830 ± 0.023 | Msun |
| Stellar radius | 0.787 ± 0.016 | Rsun |
| Stellar logarithmic surface gravity | 4.4 ± 0.1 | c.g.s. |
| Stellar mean density | ρsun g cm-3 | |
| Orbital eccentricity | 0.0 | |
| Orbital semimajor axis | 0.03817 +0.00095 −0.00092 | AU |
| Planetary mass | 0.0305 +0.0038 −0.0043 ( 9.7 +1.2 −1.4 ) | Mjup Mearth |
| Planetary radius | 0.231 ± 0.005 ( 2.589 ± 0.056 ) | Rjup Rearth |
| Planetary surface gravity | 14.2 +1.9 −2.0 3.15 +0.05 −0.07 | m/s2 log(cgs) |
| Planetary mean density | 2.31 ± 0.34 ( 3.06 ± 0.45 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 1089 ± 22 | K |
| Reference of detailed study | 2019A+A...623A..41P |
K2-285b does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2024/09/10 John Southworth (Keele University, UK)