Planet HD 1397 b
| Name | HD 1397 b | ||
| Planet Status | Confirmed | ||
| Discovered in | 2018 | ||
| Mass | 0.419 (± 0.024) MJ |  |
|
| Mass*sin(i) | — | ||
| Semi-Major Axis | 0.1097 (± 0.0012) AU | |
|
| Orbital Period | 11.53604 (± 0.00037) day | |
|
| Eccentricity | 0.265 (± 0.023) | |
|
| ω | 0.1 ( -7.4 +6.2 ) deg | |
|
| Tperi | — | ||
| Radius | 1.023 ( -0.026 +0.023 ) RJ | |
|
| Inclination | 88.92 (± 0.73) deg | |
|
| Update | 2018-11-06 | ||
| Detection Method | Primary Transit | ||
| Mass Detection Method | Radial Velocity | ||
| Radius Detection Method | Primary Transit | ||
| Primary transit | 2458332.0823 (± 0.0005) JD | |
|
| Secondary transit | — | ||
| λ | — | ||
| Impact Parameter b | 0.18 (± 0.13) | |
|
| Time Vr=0 | — | ||
| Velocity Semiamplitude K | 32.5 (± 1.8) m/s | |
|
| Calculated temperature | 1228.0 (± 10.0) K | |
|
| Measured temperature | — | ||
| Hottest point longitude | — | ||
| Geometric albedo | — | ||
| Surface gravity log(g/gH) | — | ||
| Alternate Names | — |
Star
HD 1397| Name | HD 1397 | ||
| Distance | 79.31 (± 0.17) pc | |
|
| Spectral type | G5III | ||
| Apparent magnitude V | 7.9 | ||
| Mass | 1.322 ( -0.042 +0.049 ) MSun | |
|
| Age | 4.52 (± 0.5) Gyr | |
|
| Effective temperature | 5528.0 (± 50.0) K | |
|
| Radius | 2.328 ( -0.056 +0.05 ) RSun | |
|
| Metallicity [Fe/H] | 0.27 (± 0.05) | |
|
| Detected Disc | — | ||
| Magnetic Field | — | ||
| RA2000 | 00:17:47.0 | ||
| Dec2000 | -66:21:32 | ||
| Alternate Names | |||
| Planetary system | 1 planet |
Related publications
A Jovian planet in an eccentric 11.5 day orbit around HD1397 discovered by TESS
2019
NIELSEN L., BOUCHY F., TURNER O., GILES H., SUAREZ MASCARENO A., LOVIS Ch. et al.
Astron. & Astrophys., in press
paper arxiv
HD 1397b: a transiting warm giant planet orbiting a V = 7.8 mag sub-giant star discovered by TESS
2018
BRAHM R., ESPINOZA N., JORDAN A., HENNING Th., SARKIS P. et al.
Astron. J., submitted
arxiv
