Fomalhaut - α Piscis Austrini (alpha Piscis Austrini)

Below the horizon. Rise: 2:46 | Tran: 5:44 | Set: 8:42

Alt: -55.33° Az: 64.73° Direction: South-West

Fomalhaut, also designated as α Piscis Austrini (alpha Piscis Austrini), is a variable main-sequence star of spectral class A3 in the constellation of Piscis Austrinus.

Fomalhaut visual magnitude is 1.16, making it the 17th brightest star in the sky. Because of its brightness, Fomalhaut is clearly visible to the naked eye when observed from locations with dark skies, and should be also quite easily visible from light polluted areas.

Image of Fomalhaut - α Piscis Austrini (alpha Piscis Austrini) star

DSS2 image of Fomalhaut. The red arrow shows the motion of Fomalhaut during the next 1000 years (5.55 arcmin in Right Ascension and -2.75 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 22h 59m 02s

Declination -29° 29’ 07”

Hour Angle 14h 24m 54s

Sidereal Time 13h 23m 56s

J2000

Right Ascension 22h 57m 39s

Declination -29° 37’ 19”

Galactic Coordinates

Galactic Longitude 20.49°

Galactic Latitude -64.9°

Finder Chart

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Finder chart for Fomalhaut - α Piscis Austrini (alpha Piscis Austrini).

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 1.16

Class Main-sequence

Absolute magnitude 1.73

Spectral Type A3V

Color Index (B-V) 0.09

Temperature 9125K

The red dot in the diagram below shows where Fomalhaut is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of Fomalhaut. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

Fomalhaut is distant 25.06 light years from the Sun and it is moving far from the Sun at the speed of 7 kilometers per second.

Distance (parsec) 7.69

Distance (light year) 25.06

Radial Speed 7 km/s

Proper Motion RA 0.333 arcsec/y

Proper Motion Dec -0.165"/y

Alternative Designations

Proper Name Fomalhaut

Bayer designation α Piscis Austrini
(alpha Piscis Austrini)

Flamsteed designation 24 Piscis Austrini

Henry Draper Catalogue HD216956

SAO Catalogue SAO191524

Hipparcos Catalogue HIP113368

Durchmusterung Catalogue CD-3019370

Gliese Catalogue Gl 881

FK5 Catalogue 867

General Catalogue of Variable Stars 14372

Visibility from Your Location

Today's Fomalhaut - α Piscis Austrini (alpha Piscis Austrini) rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 119.5° RISE 2:46

Max altitude: 9.0° TRANSIT 5:44

Azimuth: 240.5° SET 8:42

Set Location

Other stars in Piscis Austrinus