This page summarises the information held within TEPCat for the transiting system Kepler-581b. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2016ApJ...822...86M | |
| Date of discovery paper | 2016 / 5 / 10 | y / m / d |
| Data/telescope used for discovery | Kepler | |
| Right ascension | 19 41 43.87 | h m s |
| Declination | +40 38 53.6 | d m s |
| Right ascension (decimal) | 295.43279 | degrees |
| Declination (decimal) | 40.64822 | degrees |
| V-band apparent magnitude | 14.74 | mag |
| K-band apparent magnitude | 12.93 | mag |
| Transit duration | 0.2398 ( 5.755 ) | day hour |
| Transit depth | 0.07 | % |
| Time of mid-transit | 2455032.25748 ± 0.00300 | HJD or BJD |
| Orbital period | 40.6068950 ± 0.0001893 | days |
| Reference for orbital ephemeris | 2016ApJ...822...86M |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5772 +200 −192 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | 0.03 +0.13 −0.15 | dex |
| Stellar mass | 1.000 +0.080 −0.070 | Msun |
| Stellar radius | 1.000 +0.210 −0.110 | Rsun |
| Stellar logarithmic surface gravity | 4.440 +0.080 −0.150 | c.g.s. |
| Stellar mean density | ρsun g cm-3 | |
| Orbital eccentricity | ||
| Orbital semimajor axis | AU | |
| Planetary mass | Mjup Mearth | |
| Planetary radius | 0.238 +0.034 −0.027 ( 2.67 +0.38 −0.30 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | ρjup g cm-3 | |
| Planetary equilibrium temperature | 521 | K |
| Reference of detailed study | 2016ApJ...822...86M |
Kepler-581b does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/08/27 John Southworth (Keele University, UK)