83 Herculis

Altitude: 31.9° Azimuth: 270.3° Direction: West

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:

Color of 83 Herculis ⬤

Magnitude of 83 Herculis 5.52

Class Giant

VISIBILITY RIGHT NOW

83 Herculis is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 31.9°
Azimuth: 270.3°
Direction: West

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:

Right Ascension J2000 17h 42m 28s

Declination J2000 +24° 33’ 51”

Galactic Longitude 48.81°

Galactic Latitude 25.43°

Constellation Hercules

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

Simplified finder chart for 83 Herculis.

Visibility of 83 Herculis from your location

Location: Greenwich, United Kingdom edit_location_alt
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 edit_location_alt are the following (all times relative to the local timezone Europe/London):

Azimuth: 65.4° RISE 10:19

Max altitude: 63.1° TRANSIT 18:37

Azimuth: 294.6° SET 2:58

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.

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.

Distance (parsec) 112.11 pc

Distance (light year) 365.47 ly

Heliocentric radial velocity -27 km/s

Proper Motion RA -0.055 arcsec/year

Proper Motion Dec -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.

Absolute magnitude 0.27

Spectral Type K4III

Color Index (B-V) 1.46

Temperature of 83 Herculis 3855K

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

Main star magnitude 5.52

Secondary star magnitude 9.12

Magnitude difference 3.6

Separation 159.6 arcsec

Alternative designations of 83 Herculis

Flamsteed designation 83 Herculis

Henry Draper Catalogue HD161074

SAO Catalogue SAO85344

Hipparcos Catalogue HIP86667

Durchmusterung Catalogue BD+24 3231

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In Evidence

Other stars in Hercules