This page summarises the information held within TEPCat for the transiting system K2-153b. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2018AJ....156...78L | |
| Date of discovery paper | 2018 / 7 / 2 | y / m / d |
| Data/telescope used for discovery | K2 | |
| Right ascension | 12 15 14.20 | h m s |
| Declination | +02 01 15.4 | d m s |
| Right ascension (decimal) | 183.80917 | degrees |
| Declination (decimal) | 2.02094 | degrees |
| V-band apparent magnitude | 14.00 | mag |
| K-band apparent magnitude | 11.21 | mag |
| Transit duration | 0.0960 ( 2.304 ) | day hour |
| Transit depth | 0.12 | % |
| Time of mid-transit | 2457588.42700 ± 0.01340 | HJD or BJD |
| Orbital period | 7.5157400 ± 0.0020500 | days |
| Reference for orbital ephemeris | 2018AJ....156...78L |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 3845 ± 37 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.09 ± 0.08 | dex |
| Stellar mass | 0.550 ± 0.010 | Msun |
| Stellar radius | 0.530 ± 0.010 | Rsun |
| Stellar logarithmic surface gravity | 4.730 ± 0.010 | c.g.s. |
| Stellar mean density | 3.100 +2.700 −2.000 ( 4.4 +3.8 −2.8 ) | ρsun g cm-3 |
| Orbital eccentricity | ||
| Orbital semimajor axis | 0.06140 ± 0.00040 | AU |
| Planetary mass | Mjup Mearth | |
| Planetary radius | 0.178 +0.019 −0.016 ( 2.00 +0.21 −0.18 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | ρjup g cm-3 | |
| Planetary equilibrium temperature | 497 ± 6 | K |
| Reference of detailed study | 2018AJ....156...78L |
K2-153b does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/08/27 John Southworth (Keele University, UK)