This page summarises the information held within TEPCat for the transiting planetary system Gaia-2. 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 | 07 22 56.46 | h m s |
Declination | +67 15 09.2 | d m s |
Right ascension (decimal) | 110.73525 | degrees |
Declination (decimal) | 67.25256 | degrees |
V-band apparent magnitude | 11.28 | mag |
K-band apparent magnitude | 9.74 | mag |
Transit duration | 0.092 ( 2.21 ) | day hour |
Transit depth | 1.7 | % |
Time of mid-transit | 2458843.98875 ± 0.00019 | HJD or BJD |
Orbital period | 3.6915237 ± 0.0000035 | days |
Reference for orbital ephemeris | 2022A+A...663A.101P |
Quantity | Value | Unit |
---|---|---|
Stellar effective temperature | 5720 ± 84 | K |
Stellar metal abundance ([Fe/H] or [M/H]) | dex | |
Stellar mass | 1.000 ± 0.095 | Msun |
Stellar radius | 1.064 ± 0.031 | Rsun |
Stellar logarithmic surface gravity | c.g.s. | |
Stellar mean density | 1.05 ± 0.22 ( 1.48 ± 0.31 ) | ρsun g cm-3 |
Orbital eccentricity | 0.346 ± 0.023 | |
Orbital semimajor axis | 0.0467 ± 0.0015 | AU |
Planetary mass | 0.773 ± 0.041 ( 245 ± 13 ) | Mjup Mearth |
Planetary radius | 1.327 ± 0.014 ( 14.87 ± 0.16 ) | 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-2 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2024/11/01 John Southworth (Keele University, UK)