This page summarises the information held within TEPCat for the transiting planetary system K2-44. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2016ApJ...820...56V | |
| Date of discovery paper | 2016 / 2 / 8 | y / m / d |
| Data/telescope used for discovery | K2 | |
| Right ascension | 11 36 02.79 | h m s |
| Declination | −02 31 15.2 | d m s |
| Right ascension (decimal) | 174.01163 | degrees |
| Declination (decimal) | -2.52089 | degrees |
| V-band apparent magnitude | 12.19 | mag |
| K-band apparent magnitude | 10.69 | mag |
| Transit duration | 0.19 ( 4.6 ) | day hour |
| Transit depth | 0.03 | % |
| Time of mid-transit | 2456811.7191 ± 0.0049 | HJD or BJD |
| Orbital period | 5.65639 ± 0.00075 | days |
| Reference for orbital ephemeris | 2016ApJ...820...56V |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5830 ± 70 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.13 ± 0.07 | dex |
| Stellar mass | 1.13 ± 0.07 | Msun |
| Stellar radius | 1.52 ± 0.10 | Rsun |
| Stellar logarithmic surface gravity | 4.04 ± 0.08 | c.g.s. |
| Stellar mean density | 0.32 ± 0.10 ( 0.45 ± 0.14 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.12 +0.22 −0.09 | |
| Orbital semimajor axis | AU | |
| Planetary mass | 0.0 +0.038 −0.0 ( 0 +12 −0 ) | Mjup Mearth |
| Planetary radius | 0.245 +0.021 −0.020 ( 2.75 +0.24 −0.22 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | 0.0 +2.5 −0.0 ( 0.0 +3.3 −0.0 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | K | |
| Reference of detailed study | 2016ApJ...820...56V |
K2-44 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2024/11/22 John Southworth (Keele University, UK)