This page summarises the information held within TEPCat for the transiting system K2-272b. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2018AJ....156..277L | |
| Date of discovery paper | 2018 / 10 / 10 | y / m / d |
| Data/telescope used for discovery | K2 | |
| Right ascension | 08 50 29.06 | h m s |
| Declination | +17 32 32.8 | d m s |
| Right ascension (decimal) | 132.62108 | degrees |
| Declination (decimal) | 17.54244 | degrees |
| V-band apparent magnitude | 13.50 | mag |
| K-band apparent magnitude | 12.00 | mag |
| Transit duration | 0.1603 ( 3.847 ) | day hour |
| Transit depth | 0.11 | % |
| Time of mid-transit | 2457144.85864 ± 0.00288 | HJD or BJD |
| Orbital period | 14.4535330 ± 0.0013280 | days |
| Reference for orbital ephemeris | 2018AJ....156..277L |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5419 ± 79 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.28 ± 0.06 | dex |
| Stellar mass | 0.810 ± 0.040 | Msun |
| Stellar radius | 0.810 ± 0.010 | Rsun |
| Stellar logarithmic surface gravity | 4.530 ± 0.030 | c.g.s. |
| Stellar mean density | 1.828 +0.819 −0.634 ( 2.58 +1.16 −0.89 ) | ρsun g cm-3 |
| Orbital eccentricity | ||
| Orbital semimajor axis | 0.10810 +0.00160 −0.00170 | AU |
| Planetary mass | Mjup Mearth | |
| Planetary radius | 0.260 ± 0.013 ( 2.91 ± 0.15 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | ρjup g cm-3 | |
| Planetary equilibrium temperature | 655 ± 12 | K |
| Reference of detailed study | 2018AJ....156..277L |
K2-272b does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/08/27 John Southworth (Keele University, UK)