This page summarises the information held within TEPCat for the transiting planetary system GJ 806. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2023A+A...678A..80P | |
| Date of discovery paper | 2023 / 1 / 18 | y / m / d |
| Data/telescope used for discovery | TESS | |
| Right ascension | 20 45 04.10 | h m s |
| Declination | +44 29 56.6 | d m s |
| Right ascension (decimal) | 311.26708 | degrees |
| Declination (decimal) | 44.49906 | degrees |
| V-band apparent magnitude | 10.70 | mag |
| K-band apparent magnitude | 6.53 | mag |
| Transit duration | 0.0388 ( 0.931 ) | day hour |
| Transit depth | 0.1 | % |
| Time of mid-transit | 2459445.57371 ± 0.00015 | HJD or BJD |
| Orbital period | 0.9263237 ± 0.0000009 | days |
| Reference for orbital ephemeris | 2023A+A...678A..80P |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 3600 ± 16 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.28 ± 0.07 | dex |
| Stellar mass | 0.413 ± 0.011 | Msun |
| Stellar radius | 0.4144 ± 0.0038 | Rsun |
| Stellar logarithmic surface gravity | 4.98 ± 0.12 | c.g.s. |
| Stellar mean density | 6.09 +0.32 −0.33 ( 8.59 +0.45 −0.47 ) | ρsun g cm-3 |
| Orbital eccentricity | ||
| Orbital semimajor axis | 0.01406 ± 0.00030 | AU |
| Planetary mass | 0.0060 ± 0.0005 ( 1.91 ± 0.16 ) | Mjup Mearth |
| Planetary radius | 0.1187 ± 0.0021 ( 1.331 ± 0.024 ) | Rjup Rearth |
| Planetary surface gravity | 10.4 ± 1.0 3.02 ± 0.04 | m/s2 log(cgs) |
| Planetary mean density | 3.32 ± 0.34 ( 4.40 ± 0.45 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 940 ± 10 | K |
| Reference of detailed study | 2023A+A...678A..80P |
GJ 806 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2024/11/22 John Southworth (Keele University, UK)