Planet GJ 15A b
| Name | GJ 15A b | ||
| Planet Status | Confirmed | ||
| Discovered in | 2014 | ||
| Mass | 0.00953 ( -0.00138 +0.00145 ) MJ | ||
| Mass*sin(i) | 0.00953 ( -0.00138 +0.00145 ) MJ |  |
+ |
| Semi-Major Axis | 0.072 (± 0.004) AU | |
+ |
| Orbital Period | 11.4407 (± 0.0016) day | |
+ |
| Eccentricity | 0.094 ( -0.065 +0.091 ) | |
|
| ω | 60.0 ( --20.0 +110.0 ) deg | |
|
| Tperi | 2456995.86 JD | |
+ |
| Radius | — | ||
| Inclination | — | ||
| Update | 2018-04-11 | ||
| Detection Method | Radial Velocity | ||
| Mass Detection Method | Radial Velocity | ||
| Radius Detection Method | — | ||
| Primary transit | — | ||
| Secondary transit | — | ||
| λ | — | ||
| Impact Parameter b | — | ||
| Time Vr=0 | — | ||
| Velocity Semiamplitude K | 1.68 (± 0.18) m/s | |
|
| Calculated temperature | — | ||
| Measured temperature | — | ||
| Hottest point longitude | — | ||
| Geometric albedo | — | ||
| Surface gravity log(g/gH) | — | ||
| Alternate Names | — |
Star
GJ 15A| Name | GJ 15A | ||
| Distance | 3.587 pc | |
|
| Spectral type | M2V | ||
| Apparent magnitude V | 8.08 | ||
| Mass | 0.375 MSun | |
|
| Age | — | ||
| Effective temperature | 3567.0 K | ||
| Radius | 0.3863 RSun | |
|
| Metallicity [Fe/H] | -0.32 | |
|
| Detected Disc | — | ||
| Magnetic Field | — | ||
| RA2000 | 00:18:22.9 | ||
| Dec2000 | +44:01:23 | ||
| Alternate Names | HD 1326A, HIP 1475, GX Andromedae, Groombridge 34, M2 | ||
| Planetary system | 1 planet |
Related publications
The HADES RV Programme with HARPS-N@TNG VIII. Gl15A: A multiple wide planetary system sculpted by binary interaction
2018
PINAMONTI M., DAMASSO M., MARZARI F., SOZZETTI A., MALDONADO J. et al.
Astron. & Astrophys., 617, A104
paper arxiv
The CARMENES search for exoplanets around M dwarfs. First visual-channel radial-velocity measurements and orbital parameter updates of seven M-dwarf planetary systems
2017
TRIFONOV T., KURSTER M., ZECHMEISTER M., TAL-OR L., CABALLERO J. et al.
Astron. & Astrophys., accepted
arxiv
paper
ADS
HADES RV Programme with HARPS-N at TNG: V. A super-Earth on the inner edge of the habitable zone oft he nearby M-dwarf GJ 625
2017
SUAREZ-MASCARENO A., GONZALEZ HERNADEZ J., REBOLO R., VELASCO S. et al.
Astron. & Astrophys., 605, A92
paper arxiv
The NASA-UC-UH Eta-Earth Program: IV. A Low-mass Planet Orbiting an M Dwarf 3.6 PC from Earth
2014
HOWARD, A., MARCY, G., FISCHER, D., ISAACSON, H., MUIRHEAD, P. & 6 additional authors
ApJ, accepted
arxiv
