This page summarises the information held within TEPCat for the transiting planetary system TOI-4987. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2024A+A...688A.120S | |
| Date of discovery paper | 2024 / 3 / 20 | y / m / d |
| Data/telescope used for discovery | TESS | |
| Right ascension | 10 14 40.73 | h m s |
| Declination | −15 38 34.3 | d m s |
| Right ascension (decimal) | 153.66971 | degrees |
| Declination (decimal) | -15.64286 | degrees |
| V-band apparent magnitude | 11.15 | mag |
| K-band apparent magnitude | 9.93 | mag |
| Transit duration | 0.129 ( 3.10 ) | day hour |
| Transit depth | 0.5 | % |
| Time of mid-transit | 2459313.48578 ± 0.00076 | HJD or BJD |
| Orbital period | 4.2889731 ± 0.0000052 | days |
| Reference for orbital ephemeris | 2024A+A...688A.120S |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 6935 ± 90 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.34 ± 0.05 | dex |
| Stellar mass | 1.40 ± 0.06 | Msun |
| Stellar radius | 2.18 ± 0.08 | Rsun |
| Stellar logarithmic surface gravity | 3.85 ± 0.03 | c.g.s. |
| Stellar mean density | 0.158 +0.009 −0.010 ( 0.223 +0.013 −0.014 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.066 +0.010 −0.011 | |
| Orbital semimajor axis | 0.0656 ± 0.0026 | AU |
| Planetary mass | 12.37 +0.92 −0.87 ( 39323 +2925 −2766 ) | Mjup Mearth |
| Planetary radius | 1.926 ± 0.094 ( 21.6 ± 1.1 ) | Rjup Rearth |
| Planetary surface gravity | 105.4 ± 0.95 4.023 ± 0.004 | m/s2 log(cgs) |
| Planetary mean density | 1.62 +0.40 −0.36 ( 2.15 +0.53 −0.48 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 2001 ± 31 | K |
| Reference of detailed study | 2024A+A...688A.120S |
TOI-4987 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/03/17 John Southworth (Keele University, UK)