Kepler-371
Kepler-371 (also known as KOI-2194 or KIC 3548044) is a star some 2,720 ly away from the Earth.[1] It hosts a multi planetary system consisting of 2 confirmed Super-Earths, as well as 1 unconfirmed Near-Earth sized exoplanet in its habitable zone.[4]
| Companion (in order from star) |
Mass | Semimajor axis (AU) |
Orbital period (days) |
Eccentricity | Inclination | Radius |
|---|---|---|---|---|---|---|
| b | — | 0.2 | 34.763278±0.000351 | 0 | 89.95° | 1.89 R⊕ |
| c | — | 0.313 | 67.968015 | 0 | 89.95° | 1.78 R⊕ |
| d (unconfirmed) | — | — | — | — | — | — |
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Cygnus |
| Right ascension | 19h 29m 18.3514s[1] |
| Declination | +38° 39′ 27.2724″[1] |
| Astrometry | |
| Proper motion (μ) | RA: 3.519±0.028 mas/yr Dec.: −7.331±0.030 mas/yr |
| Parallax (π) | 1.2011 ± 0.0186[1] mas |
| Distance | 2,720 ± 40 ly (830 ± 10 pc) |
| Details[2] | |
| Mass | 0.93 ± 0.05 M☉ |
| Radius | 0.95+0.08 −0.10 R☉ |
| Surface gravity (log g) | 4.46+0.10 −0.07 cgs |
| Temperature | 5759+70 −87 K |
| Metallicity [Fe/H] | −0.20+0.12 −0.13 dex |
| Age | 5.5 Gyr |
| Other designations | |
| Database references | |
| SIMBAD | data |
| Exoplanet Archive | data |
References
- Brown, A. G. A.; et al. (Gaia collaboration) (August 2018). "Gaia Data Release 2: Summary of the contents and survey properties". Astronomy & Astrophysics. 616. A1. arXiv:1804.09365. Bibcode:2018A&A...616A...1G. doi:10.1051/0004-6361/201833051. Gaia DR2 record for this source at VizieR.
- Morton, Timothy D.; et al. (2016). "False Positive Probabilities for Allkeplerobjects of Interest: 1284 Newly Validated Planets and 428 Likely False Positives". The Astrophysical Journal. 822 (2): 86. arXiv:1605.02825. Bibcode:2016ApJ...822...86M. doi:10.3847/0004-637X/822/2/86.
- "Kepler-371". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2020-08-21.
- "Kepler Host Overview Page".
The Kepler-371 system | |
|---|---|
 | |
|
This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.