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 | 0.04233 ( 1.0159 ) | day hour |
| Transit depth | 0.13 | % |
| Time of mid-transit | 2459691.128107 ± 0.000057 | HJD or BJD |
| Orbital period | 1.46712127 ± 0.00000033 | days |
| Reference for orbital ephemeris | arXiv:2408.15123 |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 3317 +36 −37 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.15 +0.13 −0.12 | dex |
| Stellar mass | 0.3120 +0.0079 −0.0069 | Msun |
| Stellar radius | 0.3243 +0.0044 −0.0034 | Rsun |
| Stellar logarithmic surface gravity | 4.911 +0.007 −0.011 | c.g.s. |
| Stellar mean density | 9.18 +0.18 −0.35 ( 12.95 + 0.25 − 0.49 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0009 +0.0016 −0.0004 | |
| Orbital semimajor axis | 0.01714 ± 0.00013 | AU |
| Planetary mass | 0.0087 ± 0.0002 ( 2.766 ± 0.064 ) | Mjup Mearth |
| Planetary radius | 0.1150 +0.0017 −0.0012 ( 1.289 +0.019 −0.013 ) | Rjup Rearth |
| Planetary surface gravity | 15.63 +0.44 −0.50 3.19 +0.01 −0.01 | m/s2 log(cgs) |
| Planetary mean density | 5.02 +0.17 −0.22 ( 6.66 +0.23 −0.29 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 696 ± 7 | K |
| Reference of detailed study | arXiv:2408.15123 |
GJ 486 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/05/13 John Southworth (Keele University, UK)