This page summarises the information held within TEPCat for the transiting planetary system KELT-7. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2015AJ....150...12B | |
| Date of discovery paper | 2015 / 1 / 23 | y / m / d |
| Right ascension | 05 13 10.93 | h m s |
| Declination | +33 19 05.4 | d m s |
| V-band apparent magnitude | 8.54 | mag |
| K-band apparent magnitude | 7.54 | mag |
| Transit duration | 0.1463 ( 3.511 ) | day hour |
| Transit depth | 0.8 | % |
| Time of mid-transit | 2456355.22981 ± 0.00020 | HJD or BJD |
| Orbital period | 2.73476468 ± 0.00000046 | days |
| Reference for orbital ephemeris | arXiv:1901.07040 |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 6789 +50 −49 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.139 +0.075 −0.081 | dex |
| Stellar mass | 1.535 +0.066 −0.054 | Msun |
| Stellar radius | 1.732 +0.043 −0.045 | Rsun |
| Stellar logarithmic surface gravity | 4.149 ± 0.019 | c.g.s. |
| Stellar mean density | 0.297 +0.019 −0.018 ( 0.419 +0.027 −0.025 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0 | |
| Orbital semimajor axis | 0.04415 +0.00062 −0.00052 | AU |
| Planetary mass | 1.28 ± 0.18 ( 406 ± 57 ) | Mjup Mearth |
| Planetary radius | 1.533 +0.046 −0.047 ( 17.18 + 0.52 − 0.53 ) | Rjup Rearth |
| Planetary surface gravity | 13.5 ± 2.0 3.13 ± 0.06 | m/s2 log(cgs) |
| Planetary mean density | 0.333 +0.055 −0.051 ( 0.442 +0.073 −0.068 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 2048 ± 27 | K |
| Reference of detailed study | 2015AJ....150...12B |
| Reference | λ (degrees) |
|---|---|
| Bieryla et al. (2015) | 9.7 ± 5.2 |
| Zhou et al. (2016) | 2.7 ± 0.6 |
KELT-7 has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.
Page generated on 2021/01/04 John Southworth (Keele University, UK)