Planet Kepler-457 c
| Name | Kepler-457 c | ||
| Planet Status | Confirmed | ||
| Discovered in | 2015 | ||
| Mass | — | ||
| Mass*sin(i) | — | ||
| Semi-Major Axis | — | ||
| Orbital Period | 75.2 ( -1.1 +38.9 ) day |  |
|
| Eccentricity | — | ||
| ω | — | ||
| Tperi | — | ||
| Radius | 0.21 ( -0.12 +0.17 ) RJ | |
|
| Inclination | 89.701 (± 0.16) deg | |
|
| Update | 2017-02-20 | ||
| Detection Method | Primary Transit | ||
| Mass Detection Method | — | ||
| Radius Detection Method | Primary Transit | ||
| Primary transit | — | ||
| Secondary transit | — | ||
| λ | — | ||
| Impact Parameter b | — | ||
| Time Vr=0 | — | ||
| Velocity Semiamplitude K | — | ||
| Calculated temperature | — | ||
| Measured temperature | — | ||
| Hottest point longitude | — | ||
| Geometric albedo | — | ||
| Surface gravity log(g/gH) | — | ||
| Alternate Names | KIC 8540376 c |
Star
Kepler-457| Name | Kepler-457 | ||
| Distance | — | ||
| Spectral type | |||
| Apparent magnitude V | — | ||
| Mass | 1.04 (± 0.2) MSun | |
|
| Age | — | ||
| Effective temperature | 6474.0 ( -267.0 +178.0 ) K | |
|
| Radius | 1.26 (± 0.56) RSun | |
|
| Metallicity [Fe/H] | -0.16 ( -0.32 +0.23 ) | |
|
| Detected Disc | — | ||
| Magnetic Field | — | ||
| RA2000 | 18:49:30.6 | ||
| Dec2000 | +44:41:41 | ||
| Alternate Names | KIC 8540376 , 2MASS J18493060+4441405 , WISE J184930.60+444140.4 | ||
| Planetary system | 2 planets |
Observability Predictor 
Remarks
Wang et al. (2015) gives a confidence level of 0.999 for the planet detectionRelated publications
Planet Hunters. VIII. Characterization of 41 Long-Period Exoplanet Candidates from Kepler Archival Data
2015
WANG J., FISCHER D., BARCLAY Th., PICARD A., MA B. rt al.
ApJ, 815, 127
arxiv
paper
ADS
