This page summarises the information held within TEPCat for the transiting planetary system GJ 486. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2021Sci...371.1038T | |
| Date of discovery paper | 2021 / 3 / 9 | y / m / d |
| Data/telescope used for discovery | TESS | |
| Right ascension | 12 47 56.62 | h m s |
| Declination | +09 45 05.0 | d m s |
| Right ascension (decimal) | 191.98592 | degrees |
| Declination (decimal) | 9.75139 | degrees |
| V-band apparent magnitude | 11.40 | mag |
| K-band apparent magnitude | 6.36 | mag |
| Transit duration | 0.04512 ( 1.0829 ) | day hour |
| Transit depth | 0.13 | % |
| Time of mid-transit | 2459309.67651 ± 0.00010 | HJD or BJD |
| Orbital period | 1.4671205 ± 0.0000012 | days |
| Reference for orbital ephemeris | 2022A+A...665A.120C |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 3291 ± 75 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.15 ± 0.13 | dex |
| Stellar mass | 0.333 ± 0.019 | Msun |
| Stellar radius | 0.339 ± 0.015 | Rsun |
| Stellar logarithmic surface gravity | 4.82 ± 0.12 | c.g.s. |
| Stellar mean density | ρsun g cm-3 | |
| Orbital eccentricity | 0.0 | |
| Orbital semimajor axis | 0.01713 +0.00091 −0.00098 | AU |
| Planetary mass | 0.0094 ± 0.0004 ( 2.99 ± 0.13 ) | Mjup Mearth |
| Planetary radius | 0.1198 +0.0056 −0.0055 ( 1.343 +0.063 −0.062 ) | Rjup Rearth |
| Planetary surface gravity | 16.3 ± 1.7 3.21 ± 0.04 | m/s2 log(cgs) |
| Planetary mean density | 5.11 +0.81 −0.69 ( 6.78 +1.07 −0.92 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 706 +19 −20 | K |
| Reference of detailed study | 2022A+A...665A.120C |
GJ 486 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2023/09/01 John Southworth (Keele University, UK)