This page summarises the information held within TEPCat for the transiting planetary system TOI-778. Please see here for descriptions of the quantities given below.
Quantity | Value | Unit |
---|---|---|
Reference of discovery paper | 2023AJ....165..207C | |
Date of discovery paper | 2022 / 12 / 19 | y / m / d |
Data/telescope used for discovery | TESS | |
Right ascension | 13 17 20.19 | h m s |
Declination | −15 16 24.9 | d m s |
Right ascension (decimal) | 199.33413 | degrees |
Declination (decimal) | -15.27358 | degrees |
V-band apparent magnitude | 9.11 | mag |
K-band apparent magnitude | 8.06 | mag |
Transit duration | 0.157 ( 3.77 ) | day hour |
Transit depth | 0.7 | % |
Time of mid-transit | 2458578.7161 ± 0.0001 | HJD or BJD |
Orbital period | 4.633611 ± 0.000001 | days |
Reference for orbital ephemeris | 2023AJ....165..207C |
Quantity | Value | Unit |
---|---|---|
Stellar effective temperature | 6643 ± 150 | K |
Stellar metal abundance ([Fe/H] or [M/H]) | +0.00 ± 0.08 | dex |
Stellar mass | 1.40 ± 0.05 | Msun |
Stellar radius | 1.71 ± 0.05 | Rsun |
Stellar logarithmic surface gravity | 4.05 +0.17 −0.q7 | c.g.s. |
Stellar mean density | 0.28 ± 0.02 ( 0.395 ± 0.028 ) | ρsun g cm-3 |
Orbital eccentricity | 0.21 ± 0.04 | |
Orbital semimajor axis | 0.060 ± 0.003 | AU |
Planetary mass | 2.8 ± 0.2 ( 890 ± 63 ) | Mjup Mearth |
Planetary radius | 1.37 ± 0.04 ( 15.36 ± 0.45 ) | Rjup Rearth |
Planetary surface gravity | m/s2 log(cgs) | |
Planetary mean density | 1.0 ± 0.2 ( 1.33 ± 0.27 ) | ρjup g cm-3 |
Planetary equilibrium temperature | 1561 +33 −32 | K |
Reference of detailed study | 2023AJ....165..207C |
Reference | λ (degrees) |
---|---|
Clark et al. (2023) | 18 ± 11 |
Page generated on 2024/11/01 John Southworth (Keele University, UK)