HR5555

Below the horizon. Never rises today

Alt: -37.27° Az: 186.16° Direction: South

HR5555 is a double main-sequence star of spectral class B9 in the constellation of Apus.

HR5555 visual magnitude is 6.2. Because of its faintness, HR5555 is visible to the naked eye only from locations with very dark skies, while it is not visible at all from skies affected by light pollution.

DSS2 image of HR5555. The red arrow shows the motion of HR5555 during the next 10000 years (-1.00 arcmin in Right Ascension and -2.33 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 15h 02m 44s

Declination -75° 07’ 54”

Hour Angle 01h 17m 46s

Sidereal Time 16h 20m 31s

J2000

Right Ascension 14h 59m 56s

Declination -75° 01’ 56”

Galactic Coordinates

Galactic Longitude 311.08°

Galactic Latitude -14.23°

Finder Chart

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Finder chart for HR5555.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.2

Class Main-sequence

Absolute magnitude 0.15

Spectral Type B9V

Color Index (B-V) -0.04

Temperature 10653K

The red dot in the diagram below shows where HR5555 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR5555. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR5555 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 HR5555 double sysyem:

Main star magnitude 6.2

Secondary star magnitude 12.9

Magnitude difference 6.7

Separation 30 arcsec

Distance, Radial Speed, Proper Motion

HR5555 is distant 529.22 light years from the Sun and it is moving towards the Sun at the speed of 3 kilometers per second.

Distance (parsec) 162.34

Distance (light year) 529.22

Radial Speed -3 km/s

Proper Motion RA -0.006 arcsec/y

Proper Motion Dec -0.014"/y

Alternative Designations

Henry Draper Catalogue HD131551

SAO Catalogue SAO257219

Hipparcos Catalogue HIP73394

Durchmusterung Catalogue CP-74 1281

Visibility from Your Location

HR5555 is currently not visible from Greenwich, UK

Set Location

Other stars in Apus