Planet GJ 486 b
| Name | GJ 486 b | ||
| Planet Status | Confirmed | ||
| Discovered in | 2021 | ||
| Mass | 0.00887 (± 0.00038) MJ |  |
|
| Mass*sin(i) | — | ||
| Semi-Major Axis | 0.01734 (± 0.00027) AU | |
|
| Orbital Period | 1.467119 (± 3e-05) day | |
|
| Eccentricity | 0.05 ( -0.05 +0.0 ) | |
|
| ω | — | ||
| Tperi | — | ||
| Radius | 0.11643 ( -0.00598 +0.00562 ) RJ | |
|
| Inclination | 88.4 (± 1.4) deg | |
|
| Update | 2023-05-02 | ||
| Detection Method | Primary Transit | ||
| Mass Detection Method | Radial Velocity | ||
| Radius Detection Method | Primary Transit | ||
| Primary transit | 2458931.15935 (± 0.00042) JD | |
|
| Secondary transit | — | ||
| λ | — | ||
| Impact Parameter b | — | ||
| Time Vr=0 | — | ||
| Velocity Semiamplitude K | 3.37 (± 0.08) m/s | |
|
| Calculated temperature | 700.0 (± 13.0) K | |
|
| Measured temperature | — | ||
| Hottest point longitude | — | ||
| Geometric albedo | — | ||
| Surface gravity log(g/gH) | — | ||
| Alternate Names | — |
Star
GJ 486| Name | GJ 486 | ||
| Distance | 8.0761 (± 0.0041) pc | ||
| Spectral type | M3.5V | ||
| Apparent magnitude V | 11.4 | ||
| Mass | 0.323 (± 0.15) MSun | |
|
| Age | — | ||
| Effective temperature | 3340.0 (± 54.0) K | |
|
| Radius | 0.328 (± 0.011) RSun | |
|
| Metallicity [Fe/H] | 0.07 (± 0.16) | |
|
| Detected Disc | — | ||
| Magnetic Field | — | ||
| RA2000 | 12:47:57.0 | ||
| Dec2000 | +09:45:05 | ||
| Alternate Names | |||
| Planetary system | 1 planet |
Atmospheric parameters
Temperatures
| Data Source | Type | Result Value | Result Figure | Notes | Reference |
Molecules
| Molecule | Data Source | Type | Result Value | Result Figure | Notes | Reference |
| H2O | Measurements | 2023 - MORAN S. | ||||
Observability Predictor 
Related publications
High Tide or Riptide on the Cosmic Shoreline? A Water-Rich Atmosphere or Stellar Contamination for the Warm Super-Earth GJ~486b from JWST Observations
2023
MORAN S., STEVENSON K., SING D., MacDONALD R., KIRK J. et al.
Apj Letters, 948, L11
paper arxiv
High-Resolution Transmission Spectroscopy of the Terrestrial Exoplanet GJ 486b
2023
RIDDEN-HARPER A., NUGROHO S., FLAGG L., JAYAWARDHANA R., TURNER J. et al.
Astron. J., 165, 170
paper arxiv
Atmospheres of Rocky Exoplanets
2022
WORDSWORTH R. & KREIDBERG L.
Ann. Rev. Astron. and Astrophysics, 60, 159
paper arxiv
A detailed analysis of the Gl 486 planetary system
2022
CABALLERO J., GONZALEZ-ALVAREZ E., BRADY M., TRIFONOV T., ELLIS T. et al.
Astron. & Astrophys., 665, A120
paper arxiv
A nearby transiting rocky exoplanet that is suitable for atmospheric investigation
2021
TRIFONOV T., CABALLERO J., MORALES J., SEIFAHRT A., RIBAS I. et al.
Science, 471, 1038
paper arxiv
Constraining the Atmosphere of the Terrestrial Exoplanet Gl486b
2021
MANSFIELD M. et al.
JWST GO Programme
abstract
On-sky commissioning of MAROON-X: A new precision radial velocity spectrograph for Gemini North
2020
SEIFAHRT A., BEAN J., STÜRMER J., KASPAR D., GERS L. et al.
SPIE, 11447, 11447F
arxiv
