This page summarises the information held within TEPCat for the transiting planetary system HD 80606. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2009A+A...498L...5M | |
| Date of discovery paper | 2009 / 2 / 25 | y / m / d |
| Data/telescope used for discovery | other | |
| Right ascension | 09 22 37.57 | h m s |
| Declination | +50 36 13.4 | d m s |
| Right ascension (decimal) | 140.65654 | degrees |
| Declination (decimal) | 50.60372 | degrees |
| V-band apparent magnitude | 9.06 | mag |
| K-band apparent magnitude | 7.32 | mag |
| Transit duration | 0.4990 ( 11.976 ) | day hour |
| Transit depth | 1.6 | % |
| Time of mid-transit | 2458888.0747 ± 0.0020 | HJD or BJD |
| Orbital period | 111.436765 ± 0.000074 | days |
| Reference for orbital ephemeris | 2022AJ....164..178P |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5584 ± 13 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.316 ± 0.018 | dex |
| Stellar mass | 1.018 ± 0.057 | Msun |
| Stellar radius | 1.037 ± 0.035 | Rsun |
| Stellar logarithmic surface gravity | 4.415 ± 0.022 | c.g.s. |
| Stellar mean density | 0.913 ± 0.062 ( 1.288 ± 0.087 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.93183 ± 0.00014 | |
| Orbital semimajor axis | 0.4603 ± 0.0021 | AU |
| Planetary mass | 4.1641 ± 0.0047 ( 1323.726 ± 1.494 ) | Mjup Mearth |
| Planetary radius | 1.032 ± 0.015 ( 11.57 ± 0.17 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | ρjup g cm-3 | |
| Planetary equilibrium temperature | 405 ± 7 | K |
| Reference of detailed study | 2022AJ....164..178P |
| Reference | λ (degrees) |
|---|---|
| Moutou et al. (2009) | prograde |
| Pont et al. (2009) | 50 + 61 - 36 |
| Winn et al. (2009) | 53 + 34 - 21 |
| Hébrard et al. (2010) | 42 ± 8 |
Page generated on 2025/11/11 John Southworth (Keele University, UK)