Astronomy:EPIC 203771098
From HandWiki
| Observation data Equinox J2000.0]] (ICRS) | |
|---|---|
| Constellation | Scorpius |
| Right ascension | 16h 10m 17.6973s[1] |
| Declination | −24° 59′ 25.269″[1] |
| Apparent magnitude (V) | 11.3[2] |
| Characteristics | |
| Spectral type | G3[3] |
| Astrometry | |
| Proper motion (μ) | RA: −59.586±1.506[1] mas/yr Dec.: −58.180±0.815[1] mas/yr |
| Parallax (π) | 6.08 ± 0.26[1] mas |
| Distance | 540 ± 20 ly (164 ± 7 pc) |
| Details | |
| Mass | 1.12 (± 0.05)[3] M☉ |
| Radius | 1.21 (± 0.11) [3] R☉ |
| Temperature | 5743.0 (± 60.0)[3] K |
| Age | 5.0 (± 1.8)[3] Myr |
| Database references | |
| SIMBAD | data |
EPIC 203771098 commonly shortened to EPIC 2037 is a bright Sun-like G3 type star located 540 ly (164 pc) away in the constellation Scorpius.[3] The star is known to hosts two sub-Saturn planets, EPIC 2037 b, as well as EPIC 2037 c.
Planetary System
The two sub-Saturn planets are known to have fairly large cores weighing in about 17.6 ± 4.3 Earth-masses for EPIC 2037 b and 16.1 ± 4.2 for EPIC 2037 c.[2]
| Companion (in order from star) |
Mass | Semimajor axis (AU) |
Orbital period (days) |
Eccentricity | Inclination | Radius |
|---|---|---|---|---|---|---|
| b | 21.0 ± 5.4 M⊕ | 0.0775 | 20.8851 (± 0.0003) | 0 | — | 5.68 ± 0.56 R⊕ |
| c | 27.0 ± 6.9 M⊕ | 0.247 (± 0.004) | 42.3633 (± 0.0006) | 0 | — | 7.82 ± 0.72 R⊕ |
References
- ↑ 1.0 1.1 1.2 1.3 1.4 Brown, A. G. A et al. (2016). "Gaia Data Release 1. Summary of the astrometric, photometric, and survey properties". Astronomy and Astrophysics 595: A2. doi:10.1051/0004-6361/201629512. Bibcode: 2016A&A...595A...2G. https://www.aanda.org/articles/aa/full_html/2016/11/aa29512-16/aa29512-16.html.Gaia Data Release 1 catalog entry
- ↑ 2.0 2.1 2.2 Petigura, Erik A. et al. (14 November 2015). Two Transiting Low Density Sub-Saturns from K2. doi:10.3847/0004-637X/818/1/36. Bibcode: 2016ApJ...818...36P.
- ↑ 3.0 3.1 3.2 3.3 3.4 3.5 Exoplanet.eu EPIC 203771098
 |
