β Apodis (beta Apodis)

Below the horizon. Never rises today

Alt: -41.73° Az: 168.69° Direction: South-South-East

β Apodis is a double hypergiant star of spectral class K0 in the constellation of Apus.

β Apodis visual magnitude is 4.24. Because of its moderate brightness, β Apodis is easily visible to the naked eye from locations with dark skies, while it might be barely visible, or not visible at all, from light-polluted skies.

DSS2 image of β Apodis. The red arrow shows the motion of β Apodis during the next 1000 years (-4.78 arcmin in Right Ascension and -5.83 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 16h 46m 42s

Declination -77° 33’ 42”

Hour Angle 21h 08m 42s

Sideral Time 13h 55m 24s

J2000

Right Ascension 16h 43m 04s

Declination -77° 31’ 02”

Galactic Coordinates

Galactic Longitude 314.18°

Galactic Latitude -20.06°

Finder Chart

Simplified finder chart for β Apodis (beta Apodis).

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 4.24

Class Hypergiant

Absolute magnitude 0.82

Spectral Type K0III

Color Index (B-V) 1.06

Temperature 4603K

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

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

Star System Properties

β Apodis is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the β Apodis double sysyem:

Main star magnitude 4.24

Secondary star magnitude 12.04

Magnitude difference 7.8

Separation 51.1 arcsec

Distance, Radial Speed, Proper Motion

β Apodis is distant 157.56 light years from the Sun and it is moving towards the Sun at the speed of 30 kilometers per second.

Distance (parsec) 48.33

Distance (light year) 157.56

Radial Speed -30 km/s

Proper Motion RA -0.287 arcsec/y

Proper Motion Dec -0.35"/y

Alternative Designations

Bayer designation β Apodis
(beta Apodis)

Henry Draper Catalogue HD149324

SAO Catalogue SAO257424

Hipparcos Catalogue HIP81852

Durchmusterung Catalogue CP-77 1221

FK5 Catalogue 3319

Visibility from Your Location

β Apodis (beta Apodis) is currently not visible from Greenwich, UK

Set Location

Other stars in Apus