This page summarises the information held within TEPCat for the transiting planetary system TrES-1. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2004ApJ...613L.153A | |
| Date of discovery paper | 2004 / 8 / 6 | y / m / d |
| Data/telescope used for discovery | TrES | |
| Right ascension | 19 04 09.84 | h m s |
| Declination | +36 37 57.5 | d m s |
| Right ascension (decimal) | 286.04100 | degrees |
| Declination (decimal) | 36.63264 | degrees |
| V-band apparent magnitude | 11.79 | mag |
| K-band apparent magnitude | 9.82 | mag |
| Transit duration | 0.104 ( 2.50 ) | day hour |
| Transit depth | 2.2 | % |
| Time of mid-transit | 2453898.874169 ± 0.000038 | HJD or BJD |
| Orbital period | 3.030069676 ± 0.000000042 | days |
| Reference for orbital ephemeris | 2022AJ....164..220H |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5226 ± 50 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.06 ± 0.05 | dex |
| Stellar mass | 0.892 ± 0.049 | Msun |
| Stellar radius | 0.818 ± 0.021 | Rsun |
| Stellar logarithmic surface gravity | 4.563 ± 0.020 | c.g.s. |
| Stellar mean density | 1.632 ± 0.092 ( 2.30 ± 0.13 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0 | |
| Orbital semimajor axis | 0.03946 ± 0.00072 | AU |
| Planetary mass | 0.761 ± 0.051 ( 241 ± 16 ) | Mjup Mearth |
| Planetary radius | 1.099 ± 0.035 ( 12.32 ± 0.39 ) | Rjup Rearth |
| Planetary surface gravity | 15.6 ± 1.2 3.19 ± 0.03 | m/s2 log(cgs) |
| Planetary mean density | 0.57 ± 0.06 ( 0.756 ± 0.080 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 1147 ± 15 | K |
| Reference of detailed study | 2010MNRAS.408.1689S |
| Reference | λ (degrees) |
|---|---|
| Narita et al. (2007) | 30 ± 21 |
Page generated on 2025/03/12 John Southworth (Keele University, UK)