Planet Kepler-444 b
| Name | Kepler-444 b | ||
| Planet Status | Confirmed | ||
| Discovered in | 2015 | ||
| Mass | — | ||
| Mass*sin(i) | — | ||
| Semi-Major Axis | 0.04178 (± 0.00079) AU |  |
|
| Orbital Period | 3.6001053 ( -8e-06 +8.3e-06 ) day | |
|
| Eccentricity | 0.16 ( -0.1 +0.21 ) | |
|
| ω | — | ||
| Tperi | — | ||
| Radius | 0.03595 ( -0.0036 +0.00143 ) RJ | |
|
| Inclination | 88.0 ( -1.2 +0.6 ) deg | |
|
| Update | 2022-10-19 | ||
| Detection Method | Primary Transit | ||
| Mass Detection Method | — | ||
| Radius Detection Method | Primary Transit | ||
| Primary transit | 2454966.2599 (± 0.0018) JD | |
|
| Secondary transit | — | ||
| λ | — | ||
| Impact Parameter b | 0.4 ( -0.25 +0.17 ) | |
|
| Time Vr=0 | — | ||
| Velocity Semiamplitude K | — | ||
| Calculated temperature | — | ||
| Measured temperature | — | ||
| Hottest point longitude | — | ||
| Geometric albedo | — | ||
| Surface gravity log(g/gH) | — | ||
| Alternate Names | 2MASS J19190052+4138043 b, BD+41 3306 b, HIP 94931 b, K03158.01, KIC 6278762 b, KOI-3158 b, KOI-3158.01, Kepler-444 A b, LHS 3450 b, TYC 3129-00329-1 b, WISE J191900.62+413757.9 b |
Star
Kepler-444| Name | Kepler-444 | ||
| Distance | 36.48 ( -0.04 +0.04 ) pc | ||
| Spectral type | K | ||
| Apparent magnitude V | 9.0 | ||
| Mass | 0.76 ( -0.04 +0.04 ) MSun | ||
| Age | 11.23 (± 0.99) Gyr | |
|
| Effective temperature | 5046.0 (± 74.0) K | |
|
| Radius | 0.75 ( -0.01 +0.01 ) RSun | ||
| Metallicity [Fe/H] | -0.55 (± 0.07) | |
|
| Detected Disc | — | ||
| Magnetic Field | — | ||
| RA2000 | 19:19:00.5 | ||
| Dec2000 | +41:38:05 | ||
| Alternate Names | Kepler-444, 2MASS J19190052+4138043, BD+41 3306, HIP 94931, KIC 6278762, KOI-3158, Kepler-444 A, LHS 3450, TYC 3129-00329-1, WISE J191900.62+413757.9 | ||
| Planetary system | 5 planets |
Related publications
The McDonald Accelerating Stars Survey (MASS): Architecture of the Ancient Five-Planet Host System Kepler-444
2023
ZHANG Zh., BOWLER B., DUPUY T., BRANDT T., BRANDT M. et al.
Astron. J., 165, 73
paper arxiv
Mean motion resonance capture in the context of type I migration
2023
KAJTAZI K., PETIT A. & JOHANSEN A.
Astron. & Astrophys., 669, A53
paper arxiv
Global dynamics and architecture of the Kepler-444 system
2022
STALPORT M., MATTHEWS E., BOURRIER V., LELEU A., DELISLE B. & UDRY S.
Astron. & Astrophys., 667, A128
paper arxiv
How Close are Compact Multi-Planet Systems to the Stability Limit?
2021
YEE S., TAMAYO D., HADDEN S. & WINN J.
Astron. J., 162, 55
paper arxiv
Revisiting Kepler-444. II. rotational, orbital and high-energy fluxes evolution of the system
2021
PEZZOTTI C., BULDGEN G., EGGENBERGER P., MEYNET G., BOURRIER V. & MORDASINI Ch.
Astron. & Astrophys., 650, 108
paper arxiv
Asteroseismic Investigation of 20 Planet and Planet-Candidate Host Stars
2019
KAYHAN C., YILDIZ M. & ORHAN Z.
MNRAS, 490, 1498
paper arxiv
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., 612, A46
paper arxiv
Eclipse, transit and occultation geometry of planetary systems at exo-syzygy
2017
VERAS D. & BREEDT E.
MNRAS, 468, 2672
paper arxiv ADS
Dawes Review. The tidal downsizing hypothesis of planet formation
2017
NAYAKSHIN S.
Publ. Astron. Soc. Australia, 34, e002
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., 602, A106
paper 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, 838, L11
paper 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., 126, 157
paper arxiv
Orbital Architectures of Planet-Hosting Binaries: I. Forming Five Small Planets in the Truncated Disk of Kepler-444A
2016
DUPUY T., KRATTER K., KRAUS A., ISAACSON H., MANN A. et al.
ApJ, 817, 80
paper arxiv
On the formation of compact planetary systems via concurrent core accretion and migration
2016
COLEMAN G. & NELSON R.
MNRAS, 457, 2480
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, 821, 81
paper arxiv
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
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
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
