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Fomalhaut C

Fomalhaut C Facts

Fomalhaut C's Alternative Names

Fomalhaut C has alternative name(s) :- alf PsA C.

More details on objects' alternative names can be found at Star Names .

Location of Fomalhaut C

The location of the main sequence star in the night sky is determined by the Right Ascension (R.A.) and Declination (Dec.), these are equivalent to the Longitude and Latitude on the Earth. The Right Ascension is how far expressed in time (hh:mm:ss) the star is along the celestial equator. If the R.A. is positive then its eastwards. The Declination is how far north or south the object is compared to the celestial equator and is expressed in degrees. For Fomalhaut C, the location is 22h 48m 04.49 and -24° 22` 07.72 .

Radial Velocity and Proper Motion of Fomalhaut C

All stars like planets orbit round a central spot, in the case of planets, its the central star such as the Sun. In the case of a star, its the galactic centre. The constellations that we see today will be different than they were 50,000 years ago or 50,000 years from now. Proper Motion details the movements of these stars and are measured in milliarcseconds. The star is moving -183.47 miliarcseconds/year towards the north and 331.90 miliarcseconds/year east if we saw them in the horizon.

The Radial Velocity, that is the speed at which the star is moving away/towards the Sun is 6.50 km/s . When the value is negative then the star and the Sun are getting closer to one another, likewise, a positive number means that two stars are moving away. Its nothing to fear as the stars are so far apart, they won't collide in our life-time, if ever.

Physical Properties (Colour) of Fomalhaut C

Fomalhaut C has a spectral type of M4.0Ve. This means the star is a red main sequence star.

Distance to Fomalhaut C

The Parallax of the star is given as 130.30 which gives a calculated distance to Fomalhaut C of 25.03 light years from the Earth or 7.67 parsecs. It would take a spaceship travelling at the speed of light, 25.03 years to get there. We don't have the technology or spaceship that can carry people over that distance yet.

The star is roughly 1,582,040.04 Astronomical Units from the Earth/Sun give or take a few. An Astronomical Unit is the distance between Earth and the Sun. The number of A.U. is the number of times that the star is from the Earth compared to the Sun.

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Additional Fomalhaut C Facts and Figures

Visual Facts


Primary / Proper / Traditional NameFomalhaut C
Alternative Namesalf PsA C
Spectral TypeM4.0Ve
Constellation's Main StarNo
Multiple Star SystemNo / Unknown
Star Type main sequence Dwarf Star
ColourRed
GalaxyMilky Way
ConstellationPiscis Austrinus
Right Ascension (R.A.)22h 48m 04.49
Declination (Dec.)-24° 22` 07.72
Distance from Earth130.30 Parallax (milliarcseconds)
 25.03 Light Years
 7.67 Parsecs
 1,582,040.04 Astronomical Units
Proper Motion Dec.-183.47 milliarcseconds/year
Proper Motion RA.331.90 milliarcseconds/year
Radial Velocity6.50 km/s
Associated / Clustered StarsFomalhaut
TW Piscis Austrini

Companions (Multi-Star and Exoplanets) Facts


Exoplanet CountNone/Unaware

Related Stars


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