Planet Kepler-444 e
| Name | Kepler-444 e | ||
| Planet Status | Confirmed | ||
| Discovered in | 2015 | ||
| Mass | — | ||
| Mass*sin(i) | — | ||
| Semi-Major Axis | 0.0696 (± 0.0013) AU |  |
|
| Orbital Period | 7.74349 (± 1.7e-05) day | |
|
| Eccentricity | 0.02 ( -0.02 +0.27 ) | ||
| ω | — | ||
| Tperi | — | ||
| Radius | 0.0476 ( -0.0017 +0.0017 ) RJ | ||
| Inclination | 89.13 (± 0.54) deg | |
|
| Update | 2016-01-12 | ||
| Detection Method | Primary Transit | ||
| Mass Detection Method | — | ||
| Radius Detection Method | Primary Transit | ||
| Molecules | — | ||
| Primary transit | 2.45497e+06 (± 0.0018) JD | |
|
| 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 | — |
Star
Kepler-444| Name | Kepler-444 | ||
| Distance | — | ||
| Spectral type | |||
| Apparent magnitude V | 9.0 | ||
| Mass | 0.758 (± 0.043) MSun | |
|
| Age | 11.23 (± 0.99) Gyr | |
|
| Effective temperature | 5046 (± 74) K | |
|
| Radius | 0.752 (± 0.014) RSun | |
|
| Metallicity [Fe/H] | -0.55 (± 0.07) | |
|
| Detected Disc | — | ||
| Magnetic Field | — | ||
| RA2000 | 19:19:01.0 | ||
| Dec2000 | +41:38:05 | ||
| Alternate Names | |||
| Planetary system | 5 planets |
Related publications
PEPSI deep spectra. III. A chemical analysis of the ancient planet-host star Kepler-444
2018
MACK III C., STRASSMEIER K., ILYN I., SCHULER S., SPADA F. & BARNES S.
Astron. & Astrophys., in press
paper arxiv
Strong HI Lyman-α variations from a 11 Gyr-old host star: a planetary origin ?
2017
BOURRIER V., EHRENREICH D., ALLART R., WYTTENBACH A., SEMAAN T. et al.
Astron. & Astrophys., accepted
arxiv
Mass, Density, and Formation Constraints in the Compact, Sub-Earth Kepler-444 System including Two Mars-Mass Planets
2017
MILLS S. & FABRYCKY D.
ApJ. Letters, accepted
arxiv
Eclipse, transit and occultation geometry of planetary systems at exo-syzygy
2017
VERAS D. & BREEDT E.
MNRAS, 468, 2672
paper arxiv ADS
On the formation of compact planetary systems via concurrent core accretion and migration
2016
COLEMAN G. & NELSON R.
MNRAS, 457, 2480
paper arxiv ADS
Dawes Review. The tidal downsizing hypothesis of planet formation
2016
NAYAKSHIN S.
Publ. Astron. Soc. Australia, accepted
arxiv
Spin-orbit alignment of exoplanet systems: ensemble analysis using asteroseismology
2016
CAMPANTE T., LUND M., KUSZLEWICZ J., DAVIES G., CHAPLIN W. et al;
ApJ, 819, 85
paper arxiv ADS
Living with a Red Dwarf: Rotation and X-ray and Ultraviolet Properties of the Halo Population Kapteyn's Star
2016
GUINAN E., ENGLE S. & DURBIN A.
ApJ, accepted
arxiv
Consequences of tidal interaction between disks and orbiting protoplanets for the evolution of multi-planet systems with architecture resembling that of Kepler 444
2016
PAPALOIZOU J.
Cel. Mech. & Dyn. Astron., accepted
arxiv
Eccentricity from transit photometry: small planets in Kepler multi-planet systems have low eccentricities
2015
VAN EYLEN V. & ALBRECHT S.
ApJ, 808, 126
paper arxiv ADS
An ancient extrasolar system with five sub-Earth-size planets
2015
CAMPANTE T., BARCLAY T., SWIFT J., UBER D., ADIBEKYAN V. et al.
ApJ, 799, 170
paper arxiv ADS
KOI-3158: The oldest known system of terrestrial-size planets
2015
CAMPANTE T., BARCLAY T., SWIFT J., HUBER D., ADIBEKYAN V. et al.
in "The Space Photometry Revolution - CoRoT Symposium 3, Kepler KASC-7 Joint Meeting", 101, id.02004
paper arxiv ADS
Orbital Architectures of Planet-Hosting Binaries: I. Forming Five Small Planets in the Truncated Disk of Kepler-444A
2015
DUPUY T., KRATTER K., KRAUS A., ISAACSON H., MANN A. et al.
ApJ, accepted
arxiv
