This page summarises the information held within TEPCat for the transiting planetary system Gaia-1. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2022A+A...663A.101P | |
| Date of discovery paper | 2022 / 5 / 23 | y / m / d |
| Data/telescope used for discovery | Gaia | |
| Right ascension | 06 02 34.47 | h m s |
| Declination | −00 34 37.0 | d m s |
| Right ascension (decimal) | 90.64363 | degrees |
| Declination (decimal) | -0.57694 | degrees |
| V-band apparent magnitude | 13.24 | mag |
| K-band apparent magnitude | 11.27 | mag |
| Transit duration | 0.092 ( 2.21 ) | day hour |
| Transit depth | 1.3 | % |
| Time of mid-transit | 2458468.18524 ± 0.00057 | HJD or BJD |
| Orbital period | 3.052524 ± 0.000017 | days |
| Reference for orbital ephemeris | 2022A+A...663A.101P |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5470 ± 110 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | dex | |
| Stellar mass | 0.949 ± 0.066 | Msun |
| Stellar radius | 0.952 ± 0.025 | Rsun |
| Stellar logarithmic surface gravity | c.g.s. | |
| Stellar mean density | 1.10 ± 0.12 ( 1.55 ± 0.17 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0 | |
| Orbital semimajor axis | 0.04047 ± 0.00094 | AU |
| Planetary mass | 1.68 ± 0.11 ( 534 ± 34 ) | Mjup Mearth |
| Planetary radius | 1.229 ± 0.021 ( 13.78 ± 0.24 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | ρjup g cm-3 | |
| Planetary equilibrium temperature | K | |
| Reference of detailed study | 2022A+A...663A.101P |
Gaia-1 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/03/17 John Southworth (Keele University, UK)