Star Fomalhaut

Triple star system Fomalhaut is located 25.1 light years away from the Sun. It is a star system with 3 stars, from which the biggest has 192 % of solar mass. There is at least one exoplanet in this system.

Sun distance: 25.1 light years.
(Position of this star is derived from Gaia mission data.)
Fomalhaut A
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White-Blue star
spectral class A3V C

1.92 solar masses
1.842 solar radii
temperature icontemperature 7671 °K (7398 °C)
time icon0.44 bilion years old star
luminosity icon16.63 solar luminosity
luminosity icon1.16 apparent magnitude

1 known exoplanet:
Fomalhaut A Dagon
| earth masses
Fomalhaut B
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Orange star
spectral class K5Vp

0.725 solar masses
0.629 solar radii
temperature icontemperature 4573 °K (4300 °C)
time icon0.44 bilion years old star
luminosity icon0.19 solar luminosity
luminosity icon6.48 apparent magnitude
(No known exoplanets yet)
Fomalhaut C
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Red dwarf
spectral class M4V

0.18 solar masses
0.2 solar radii (estimate)
temperature icontemperature 3143 °K (2870 °C)
luminosity icon12.618 apparent magnitude
(No known exoplanets yet)
Other designations of this star
LP 876-10, Fomalhaut C, 2MASS J22480446-2422075, NLTT 54872, GSC 06964-01226, TW Piscis Austrini, TW PsA, Gl 879, HR 8721, CD -32°17321, HD 216803, LTT 9283, GCTP 5562.00, SAO 214197, CP(D)-32 6550, HIP 113283, α Piscis Austrini, α PsA, Alpha PsA, 24 Piscis Austrini, CPD −30° 6685, FK5 867, Gl 881, HD 216956, HIP 113368, HR 8728, SAO 191524, alf PsA
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