This page summarises the information held within TEPCat for the transiting planetary system KELT-2. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2012ApJ...756L..39B | |
| Date of discovery paper | 2012 / 6 / 11 | y / m / d |
| Data/telescope used for discovery | KELT | |
| Right ascension | 06 10 39.35 | h m s |
| Declination | +30 57 25.7 | d m s |
| Right ascension (decimal) | 92.66396 | degrees |
| Declination (decimal) | 30.95714 | degrees |
| V-band apparent magnitude | 8.70 | mag |
| K-band apparent magnitude | 7.35 | mag |
| Transit duration | 0.2156 ( 5.174 ) | day hour |
| Transit depth | 0.5 | % |
| Time of mid-transit | 2455974.60338 ± 0.00083 | HJD or BJD |
| Orbital period | 4.1137758 ± 0.0000010 | days |
| Reference for orbital ephemeris | arXiv:2312.03319 |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 6151 ± 48 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.034 ± 0.078 | dex |
| Stellar mass | 1.314 +0.063 −0.060 | Msun |
| Stellar radius | 1.836 +0.066 −0.046 | Rsun |
| Stellar logarithmic surface gravity | 4.030 +0.015 −0.026 | c.g.s. |
| Stellar mean density | ρsun g cm-3 | |
| Orbital eccentricity | 0.0 | |
| Orbital semimajor axis | 0.05504 ± 0.00086 | AU |
| Planetary mass | 1.524 ± 0.088 ( 484 ± 27 ) | Mjup Mearth |
| Planetary radius | 1.290 +0.064 −0.050 ( 14.46 + 0.72 − 0.56 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | ρjup g cm-3 | |
| Planetary equilibrium temperature | 1712 +28 −20 | K |
| Reference of detailed study | 2012ApJ...756L..39B |
KELT-2 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2024/09/04 John Southworth (Keele University, UK)