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 |
| Data/telescope used for discovery | KELT | |
| Right ascension | 00 01 26.92 | h m s |
| Declination | +39 23 01.7 | d m s |
| Right ascension (decimal) | 0.36217 | degrees |
| Declination (decimal) | 39.38381 | degrees |
| V-band apparent magnitude | 10.70 | mag |
| K-band apparent magnitude | 9.44 | mag |
| Transit duration | 0.11484 ( 2.7562 ) | day hour |
| Transit depth | 0.6 | % |
| Time of mid-transit | 2457254.624084 ± 0.000054 | HJD or BJD |
| Orbital period | 1.21749385 ± 0.00000004 | days |
| Reference for orbital ephemeris | 2023MNRAS.521.1200B |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 6471 +50 −49 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.095 ± 0.080 | dex |
| Stellar mass | 1.369 +0.071 −0.075 | Msun |
| Stellar radius | 1.501 ± 0.036 | Rsun |
| Stellar logarithmic surface gravity | 4.221 +0.018 −0.017 | c.g.s. |
| Stellar mean density | 0.404 +0.023 −0.020 ( 0.570 +0.032 −0.028 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0055 +0.0084 −0.0039 | |
| Orbital semimajor axis | 0.02494 +0.00042 −0.00046 | AU |
| Planetary mass | 27.7 +1.0 −1.1 ( 88056 +3179 −3497 ) | Mjup Mearth |
| Planetary radius | 1.138 ± 0.030 ( 12.76 ± 0.34 ) | Rjup Rearth |
| Planetary surface gravity | 530 +24 −22 4.72 +0.02 −0.02 | m/s2 log(cgs) |
| Planetary mean density | 17.6 +1.2 −1.1 ( 23.3 + 1.6 − 1.5 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 2421 ± 28 | K |
| Reference of detailed study | 2023MNRAS.521.1200B |
| Reference | λ (degrees) |
|---|---|
| Siverd et al. (2012) | 2 ± 16 |
Page generated on 2025/03/17 John Southworth (Keele University, UK)