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 |
| Data/telescope used for discovery | KELT | |
| Right ascension | 05 13 10.93 | h m s |
| Declination | +33 19 05.4 | d m s |
| Right ascension (decimal) | 78.29554 | degrees |
| Declination (decimal) | 33.31817 | degrees |
| V-band apparent magnitude | 8.54 | mag |
| K-band apparent magnitude | 7.54 | mag |
| Transit duration | 0.1450 ( 3.480 ) | day hour |
| Transit depth | 0.8 | % |
| Time of mid-transit | 2458835.661885 ± 0.000073 | HJD or BJD |
| Orbital period | 2.73476550 ± 0.00000033 | days |
| Reference for orbital ephemeris | 2022MNRAS.515.1247T |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 6699 ± 24 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.24 ± 0.02 | dex |
| Stellar mass | 1.517 ± 0.022 | Msun |
| Stellar radius | 1.712 ± 0.037 | Rsun |
| Stellar logarithmic surface gravity | 4.15 ± 0.09 | c.g.s. |
| Stellar mean density | 0.301 ± 0.025 ( 0.425 ± 0.035 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0 | |
| Orbital semimajor axis | 0.0434 ± 0.0012 | AU |
| Planetary mass | 1.28 ± 0.17 ( 406 ± 54 ) | Mjup Mearth |
| Planetary radius | 1.496 ± 0.035 ( 16.77 ± 0.39 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | 0.36 ± 0.08 ( 0.48 ± 0.11 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 2028 ± 17 | K |
| Reference of detailed study | 2022MNRAS.515.1247T |
| Reference | λ (degrees) |
|---|---|
| Bieryla et al. (2015) | 9.7 ± 5.2 |
| Zhou et al. (2016) | 2.7 ± 0.6 |
| Tabernero et al. (2022) | −10.55 ± 0.27 |
Page generated on 2025/03/24 John Southworth (Keele University, UK)