111 Herculis

Above the horizon. Rise: 18:15 | Tran: 1:54 | Set: 9:29

Alt: 45.60° Az: 124.46° Direction: South-East

111 Herculis is a multiple giant star of spectral class A5 in the constellation of Hercules.

111 Herculis visual magnitude is 4.36. Because of its moderate brightness, 111 Herculis 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 111 Herculis. The red arrow shows the motion of 111 Herculis during the next 1000 years (1.22 arcmin in Right Ascension and 1.93 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 18h 48m 08s

Declination +18° 12’ 38”

Hour Angle 21h 30m 26s

Sidereal Time 16h 18m 34s

J2000

Right Ascension 18h 47m 01s

Declination +18° 10’ 53”

Galactic Coordinates

Galactic Longitude 48.76°

Galactic Latitude 9.12°

Finder Chart

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Finder chart for 111 Herculis.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 4.36

Class Giant

Absolute magnitude 2.09

Spectral Type A5III

Color Index (B-V) 0.13

Temperature 8748K

The red dot in the diagram below shows where 111 Herculis is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 111 Herculis. Attribution: Richard Powell / CC BY-SA

Star System Properties

111 Herculis is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the 111 Herculis double sysyem:

Main star magnitude 4.36

Secondary star magnitude 9.86

Magnitude difference 5.5

Separation 121.3 arcsec

Distance, Radial Speed, Proper Motion

111 Herculis is distant 92.69 light years from the Sun and it is moving towards the Sun at the speed of 45 kilometers per second.

Distance (parsec) 28.43

Distance (light year) 92.69

Radial Speed -45 km/s

Proper Motion RA 0.073 arcsec/y

Proper Motion Dec 0.116"/y

Alternative Designations

Flamsteed designation 111 Herculis

Henry Draper Catalogue HD173880

SAO Catalogue SAO104093

Hipparcos Catalogue HIP92161

Durchmusterung Catalogue BD+18 3823

FK5 Catalogue 1491

Visibility from Your Location

Today's 111 Herculis rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 71.8° RISE 18:15

Max altitude: 56.7° TRANSIT 1:54

Azimuth: 288.2° SET 9:29

Set Location

Other stars in Hercules