  Fomalhaut C Location of Fomalhaut C in the constellation Aquarius | |
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Aquarius |
| Right ascension | 22h 48m 04.49285s[1] |
| Declination | −24° 22′ 07.7178″[1] |
| Apparent magnitude (V) | 12.624[2] |
| Characteristics | |
| Spectral type | M4V[3] |
| Astrometry | |
| Radial velocity (Rv) | 5.77±0.58[1] km/s |
| Proper motion (μ) | RA: 331.609 mas/yr[1] Dec.: −183.805 mas/yr[1] |
| Parallax (π) | 130.2707 ± 0.0325 mas[1] |
| Distance | 25.037 ± 0.006 ly (7.676 ± 0.002 pc) |
| Absolute magnitude (MV) | 13.21 ± 0.02[3] |
| Details[3] | |
| Mass | 0.18±0.02 M☉ |
| Radius | 0.23 ± 0.01[a] R☉ |
| Luminosity | 0.004603 L☉ |
| Temperature | 3,132±65 K |
| Metallicity [Fe/H] | −0.1 dex |
| Rotation | 0.466 days |
| Other designations | |
| Database references | |
| SIMBAD | data |
Fomalhaut C, also designated LP 876-10, is the distant third star of the Fomalhaut system. It is about five degrees from Fomalhaut, roughly halfway between it and the Helix Nebula. It is currently 2.5 light-years (0.77 pc) from Fomalhaut (A), and 3.2 light-years away from Fomalhaut B (0.987 pc). The entire system is approximately 25 light-years (7.7 pc) from the Solar System.
- ^ a b c d e Cite error: The named reference
GaiaDR3was invoked but never defined (see the help page). - ^ Zacharias, N. (2012). "The fourth US Naval Observatory CCD Astrograph Catalog (UCAC4)". VizieR On-line Data Catalog. Bibcode:2012yCat.1322....0Z.
- ^ a b c Cite error: The named reference
Mamajekwas invoked but never defined (see the help page).
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