This page summarises the information held within TEPCat for the transiting planetary system TOI-663b. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2024A+A...685A..19C | |
| Date of discovery paper | 2024 / 5 / 7 | y / m / d |
| Data/telescope used for discovery | TESS | |
| Right ascension | 10 40 15.95 | h m s |
| Declination | −08 30 38.6 | d m s |
| Right ascension (decimal) | 160.06646 | degrees |
| Declination (decimal) | -8.51072 | degrees |
| V-band apparent magnitude | 13.67 | mag |
| K-band apparent magnitude | 9.61 | mag |
| Transit duration | 0.072 ( 1.73 ) | day hour |
| Transit depth | 0.17 | % |
| Time of mid-transit | 2458544.38918 ± 0.00070 | HJD or BJD |
| Orbital period | 2.5989020 ± 0.0000031 | days |
| Reference for orbital ephemeris | 2024A+A...685A..19C |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 3681 ± 70 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.07 ± 0.12 | dex |
| Stellar mass | 0.514 ± 0.012 | Msun |
| Stellar radius | 0.512 ± 0.015 | Rsun |
| Stellar logarithmic surface gravity | 4.727 ± 0.009 | c.g.s. |
| Stellar mean density | ρsun g cm-3 | |
| Orbital eccentricity | ||
| Orbital semimajor axis | 0.0295 ± 0.0011 | AU |
| Planetary mass | 0.0140 +0.0020 −0.0021 ( 4.45 +0.64 −0.67 ) | Mjup Mearth |
| Planetary radius | 0.203 +0.009 −0.008 ( 2.275 +0.101 −0.090 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | 1.6 ± 0.3 ( 2.12 ± 0.40 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 674 ± 30 | K |
| Reference of detailed study | 2024A+A...685A..19C |
TOI-663b does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/03/12 John Southworth (Keele University, UK)