This page summarises the information held within TEPCat for the transiting planetary system TrES-2. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2006ApJ...651L..61O | |
| Date of discovery paper | 2006 / 8 / 21 | y / m / d |
| Data/telescope used for discovery | TrES | |
| Right ascension | 19 07 14.04 | h m s |
| Declination | +49 18 59.0 | d m s |
| Right ascension (decimal) | 286.80850 | degrees |
| Declination (decimal) | 49.31639 | degrees |
| V-band apparent magnitude | 11.41 | mag |
| K-band apparent magnitude | 9.85 | mag |
| Transit duration | 0.07451 ( 1.7882 ) | day hour |
| Transit depth | 1.5 | % |
| Time of mid-transit | 2453957.635381 ± 0.000020 | HJD or BJD |
| Orbital period | 2.47061355 ± 0.000000041 | days |
| Reference for orbital ephemeris | 2024AJ....168..176B |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5850 ± 50 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.15 ± 0.10 | dex |
| Stellar mass | 0.991 ± 0.057 | Msun |
| Stellar radius | 0.964 ± 0.018 | Rsun |
| Stellar logarithmic surface gravity | 4.466 ± 0.009 | c.g.s. |
| Stellar mean density | 1.105 ± 0.011 ( 1.559 ± 0.016 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0 | |
| Orbital semimajor axis | 0.03567 ± 0.00067 | AU |
| Planetary mass | 1.206 ± 0.049 ( 383 ± 15 ) | Mjup Mearth |
| Planetary radius | 1.193 ± 0.023 ( 13.37 ± 0.26 ) | Rjup Rearth |
| Planetary surface gravity | 21.02 ± 0.31 3.323 ± 0.006 | m/s2 log(cgs) |
| Planetary mean density | 0.665 ± 0.015 ( 0.882 ± 0.020 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 1466 ± 12 | K |
| Reference of detailed study | 2011MNRAS.417.2166S |
| Reference | λ (degrees) |
|---|---|
| Winn et al. (2008) | −9 ± 12 |
Page generated on 2025/03/24 John Southworth (Keele University, UK)