54 Herculis

Below the horizon. Rise: 16:10 | Tran: 23:47 | Set: 7:27

Alt: -11.41° Az: 39.61° Direction: South-South-West

54 Herculis is a multiple giant star of spectral class K4 in the constellation of Hercules.

54 Herculis visual magnitude is 5.35. Because of its faintness, 54 Herculis 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 54 Herculis. The red arrow shows the motion of 54 Herculis during the next 1000 years (-1.83 arcmin in Right Ascension and 0.23 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 16h 56m 29s

Declination +18° 23’ 39”

Hour Angle 14h 44m 46s

Sidereal Time 07h 41m 15s

J2000

Right Ascension 16h 55m 22s

Declination +18° 25’ 59”

Galactic Coordinates

Galactic Longitude 37.86°

Galactic Latitude 33.62°

Finder Chart

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Finder chart for 54 Herculis.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.35

Class Giant

Absolute magnitude 0.17

Spectral Type K4III

Color Index (B-V) 1.41

Temperature 3934K

The red dot in the diagram below shows where 54 Herculis is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 54 Herculis. Attribution: Richard Powell / CC BY-SA

Star System Properties

54 Herculis is a visual double star which can be observed with the help of medium or large telescopes. The table below shows key information about the 54 Herculis double sysyem:

Main star magnitude 5.35

Secondary star magnitude 9.55

Magnitude difference 4.2

Separation 2.5 arcsec

Distance, Radial Speed, Proper Motion

54 Herculis is distant 354.73 light years from the Sun and it is moving far from the Sun at the speed of 12 kilometers per second.

Distance (parsec) 108.81

Distance (light year) 354.73

Radial Speed 12 km/s

Proper Motion RA -0.11 arcsec/y

Proper Motion Dec 0.014"/y

Alternative Designations

Flamsteed designation 54 Herculis

Henry Draper Catalogue HD152879

SAO Catalogue SAO102476

Hipparcos Catalogue HIP82802

Durchmusterung Catalogue BD+18 3266

Aitken Double Star Catalogue ADS10262

Visibility from Your Location

Today's 54 Herculis rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 71.6° RISE 16:10

Max altitude: 56.9° TRANSIT 23:47

Azimuth: 288.4° SET 7:27

Set Location

Other stars in Hercules