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| Query : 2020A&A...635L..14K |
2020A&A...635L..14K - Astronomy and Astrophysics, volume 635L14-14 (2020/3-1)
Orbital inclination and mass of the exoplanet candidate Proxima c.
KERVELLA P., ARENOU F. and SCHNEIDER J.
Abstract (from CDS):
We analyze the orbital parameters of the recently discovered exoplanet candidate Proxima c using a combination of its spectroscopic orbital parameters and Gaia DR2 astrometric proper motion anomaly. We obtain an orbital inclination of i=152±14deg, corresponding to a planet mass of mc=12–5+12M⊕, comparable to Uranus and Neptune. While the derived orbital parameters are too uncertain to accurately predict the position of the planet for a given epoch, we present a map of its probability of presence relative to its parent star in the coming years.
Abstract Copyright: © P. Kervella et al. 2020
Journal keyword(s): astrometry - planetary systems - planets and satellites: individual: Proxima c - proper motions - celestial mechanics - planets and satellites: fundamental parameters
Simbad objects: 9
| Number of rows : 9 |
| N | Identifier | Otype |
ICRS (J2000) RA |
ICRS (J2000) DEC |
Mag U | Mag B | Mag V | Mag R | Mag I | Sp type |
#ref
1850 - 2026 |
#notes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | * alf CMa B | WD* | 06 45 09.3041925037 | -16 43 00.724740067 | 8.41 | 8.44 | DA1.9 | 563 | 1 | |||
| 2 | * alf CMi B | WD* | 07 39 17.8800 | +05 13 26.800 | 10.7 | 10.92 | DQZ | 174 | 0 | |||
| 3 | NAME Proxima Centauri | PM* | 14 29 42.9461331854 | -62 40 46.164680672 | 14.21 | 12.95 | 11.13 | 9.45 | 7.41 | M5.5Ve | 1483 | 0 |
| 4 | NAME Proxima Centauri b | Pl | 14 29 42.9461331854 | -62 40 46.164680672 | ~ | 445 | 0 | |||||
| 5 | NAME Proxima Centauri c | Pl? | 14 29 42.9461331854 | -62 40 46.164680672 | ~ | 36 | 0 | |||||
| 6 | * alf Cen B | PM* | 14 39 35.06311 | -60 50 15.0992 | 2.89 | 2.21 | 1.33 | K1V | 1092 | 2 | ||
| 7 | * alf Cen A | SB* | 14 39 36.49400 | -60 50 02.3737 | 0.96 | 0.72 | 0.01 | G2V | 1352 | 1 | ||
| 8 | * alf Cen | ** | 14 39 36.50 | -60 50 02.3 | 0.4 | -0.1 | G2V+K1V | 1031 | 0 | |||
| 9 | * eps Ind | PM* | 22 03 21.6536261624 | -56 47 09.522795714 | 5.75 | 4.69 | K5V | 616 | 0 |
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