This page summarises the information held within TEPCat for the transiting system Kepler-991b. 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 48 21.76 | h m s |
| Declination | +49 37 35.6 | d m s |
| Right ascension (decimal) | 297.09067 | degrees |
| Declination (decimal) | 49.62656 | degrees |
| V-band apparent magnitude | 15.59 | mag |
| K-band apparent magnitude | 12.61 | mag |
| Transit duration | 0.2023 ( 4.855 ) | day hour |
| Transit depth | 0.19 | % |
| Time of mid-transit | 2455042.12763 ± 0.00300 | HJD or BJD |
| Orbital period | 82.5341188 ± 0.0002822 | days |
| Reference for orbital ephemeris | 2016ApJ...822...86M |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 4392 +55 −45 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.25 +0.10 −0.12 | dex |
| Stellar mass | 0.640 +0.030 −0.200 | Msun |
| Stellar radius | 0.610 ± 0.020 | Rsun |
| Stellar logarithmic surface gravity | 4.670 +0.010 −0.020 | c.g.s. |
| Stellar mean density | ρsun g cm-3 | |
| Orbital eccentricity | ||
| Orbital semimajor axis | AU | |
| Planetary mass | Mjup Mearth | |
| Planetary radius | 0.219 +0.010 −0.012 ( 2.45 +0.11 −0.13 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | ρjup g cm-3 | |
| Planetary equilibrium temperature | 260 | K |
| Reference of detailed study | 2016ApJ...822...86M |
Kepler-991b does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/08/27 John Southworth (Keele University, UK)