HR5174

Below the horizon. Rise: 21:16 | Tran: 22:45 | Set: 0:13

Alt: -1.89° Az: 155.70° Direction: South-South-East

HR5174 is a double hypergiant star of spectral class A0 in the constellation of Centaurus.

HR5174 visual magnitude is 5.15. Because of its faintness, HR5174 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 HR5174. The red arrow shows the motion of HR5174 during the next 10000 years (-1.83 arcmin in Right Ascension and -1.50 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 13h 48m 25s

Declination -36° 22’ 40”

Hour Angle 21h 57m 05s

Sidereal Time 11h 45m 31s

J2000

Right Ascension 13h 46m 56s

Declination -36° 15’ 06”

Galactic Coordinates

Galactic Longitude 315.28°

Galactic Latitude 25.29°

Finder Chart

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Finder chart for HR5174.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.15

Class Hypergiant

Absolute magnitude -0.44

Spectral Type A0V

Color Index (B-V) -0.02

Temperature 10382K

The red dot in the diagram below shows where HR5174 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR5174. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR5174 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 HR5174 double sysyem:

Main star magnitude 5.15

Secondary star magnitude 12.45

Magnitude difference 7.3

Separation 26.3 arcsec

Distance, Radial Speed, Proper Motion

HR5174 is distant 428.38 light years from the Sun and it is moving towards the Sun at the speed of 10 kilometers per second.

Distance (parsec) 131.41

Distance (light year) 428.38

Radial Speed -10 km/s

Proper Motion RA -0.011 arcsec/y

Proper Motion Dec -0.009"/y

Alternative Designations

Henry Draper Catalogue HD119921

SAO Catalogue SAO204835

Hipparcos Catalogue HIP67244

Durchmusterung Catalogue CD-35 8995

FK5 Catalogue 3091

Visibility from Your Location

Today's HR5174 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 126.4° RISE 21:16

Max altitude: 2.1° TRANSIT 22:45

Azimuth: 233.6° SET 0:13

Set Location

Other stars in Centaurus