Your guide to the Solar System and the night sky
🌎 Location: Greenwich, United Kingdom [change]

83 Herculis

83 Herculis is a double giant star in the constellation of Hercules.

83 Herculis visual magnitude is 5.52. Because of its reltive faintness, 83 Herculis should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.

The table below summarizes the key facts about 83 Herculis:

5.52
Giant
83 Herculis is above the horizon from Greenwich, United Kingdom [change]. Altitude: 62°.

Celestial coordinates and finder chart of 83 Herculis

83 Herculis is situated close to the celestial equator, as such, it is at least partly visible from both hemispheres in certain times of the year. Celestial coordinates for the J2000 equinox as well as galactic coordinates of 83 Herculis are provided in the following table:

17h 42m 28s
+24° 33’ 51”
48.81°
25.43°
Hercules

The simplified sky map below shows the position of 83 Herculis in the sky:

Finder chart 83 Herculis star
Simplified finder chart for 83 Herculis.

Visibility of 83 Herculis from your location

Location: Greenwich, United Kingdom [change]
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

Today's 83 Herculis rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 65.4°
Max altitude: 63.1°
Azimuth: 294.6°
83 Herculis is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of 83 Herculis

The image below is a photograph of 83 Herculis from the Digitized Sky Survey 2 (DSS2 - see the credits section) taken in the red channel. The area of sky represented in the image is 0.5x0.5 degrees (30x30 arcmins). The proper motion of 83 Herculis is -0.055 arcsec per year in Right Ascension and -0.105 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of 83 Herculis star
DSS2 image of 83 Herculis. The red arrow shows the motion of 83 Herculis during the next 1000 years (-0.92 arcmin in Right Ascension and -1.75 arcmin in declination);

Distance of 83 Herculis from the Sun and relative movement

83 Herculis is distant 365.47 light years from the Sun and it is moving towards the Sun at the speed of 27 kilometers per second.

112.11 pc
365.47 ly
-27 km/s
-0.055 arcsec/year
-0.105 arcsec/year

Spectral properties of 83 Herculis

83 Herculis belongs to spectral class K4 and has a luminosity class of III corresponding to a giant star.

0.27
K4III
3855K

The red dot in the diagram below shows where 83 Herculis is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 83 Herculis. Attribution: Richard Powell / CC BY-SA

83 Herculis star system properties

83 Herculis is a visual double star which can be observed with binoculars or small telescopes. The table below shows key information about the 83 Herculis double sysyem:

5.52
9.12
3.6
159.6 arcsec

Alternative designations of 83 Herculis

83 Herculis
SAO85344
SAO85344