This page summarises the information held within TEPCat for the transiting brown dwarf system KELT-1. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2012ApJ...761..123S | |
| Date of discovery paper | 2012 / 6 / 11 | y / m / d |
| Right ascension | 00 01 26.92 | h m s |
| Declination | +39 23 01.7 | d m s |
| V-band apparent magnitude | 10.70 | mag |
| K-band apparent magnitude | 9.44 | mag |
| Transit duration | 0.11526 ( 2.7662 ) | day hour |
| Transit depth | 0.6 | % |
| Time of mid-transit | 2457306.97624 ± 0.00028 | HJD or BJD |
| Orbital period | 1.21749394 ± 0.00000025 | days |
| Reference for orbital ephemeris | arXiv:2006.10292 |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 6516 ± 49 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.052 ± 0.079 | dex |
| Stellar mass | 1.335 ± 0.063 | Msun |
| Stellar radius | 1.471 +0.045 −0.035 | Rsun |
| Stellar logarithmic surface gravity | 4.337 +0.014 −0.021 | c.g.s. |
| Stellar mean density | 0.421 +0.019 −0.030 ( 0.594 +0.027 −0.042 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0100 +0.010 −0.0070 | |
| Orbital semimajor axis | 0.02472 ± 0.00039 | AU |
| Planetary mass | 27.38 ± 0.93 ( 87038 ± 2956 ) | Mjup Mearth |
| Planetary radius | 1.116 +0.038 −0.029 ( 12.51 + 0.43 − 0.33 ) | Rjup Rearth |
| Planetary surface gravity | 545 +22 −30 4.74 +0.02 −0.02 | m/s2 log(cgs) |
| Planetary mean density | 18.5 +1.1 −1.6 ( 24.5 + 1.5 − 2.1 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 2423 +34 −27 | K |
| Reference of detailed study | 2012ApJ...761..123S |
| Reference | λ (degrees) |
|---|---|
| Siverd et al. (2012) | 2 ± 16 |
KELT-1 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)