84 Herculis

84 Herculis is a giant star in the constellation of Hercules.

84 Herculis visual magnitude is 5.71. Because of its reltive faintness, 84 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 84 Herculis:

Color of 84 Herculis ⬤

Magnitude of 84 Herculis 5.71

Class Giant

VISIBILITY RIGHT NOW 84 Herculis is above the horizon from Greenwich, United Kingdom [change]. Altitude: 62°.

Celestial coordinates and finder chart of 84 Herculis

84 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 84 Herculis are provided in the following table:

Right Ascension J2000 17h 43m 21s

Declination J2000 +24° 19’ 40”

Galactic Longitude 48.64°

Galactic Latitude 25.16°

Constellation Hercules

The simplified sky map below shows the position of 84 Herculis in the sky:

Simplified finder chart for 84 Herculis.

Visibility of 84 Herculis from your location

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

Today's 84 Herculis rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 65.7° RISE 22:02

Max altitude: 62.8° TRANSIT 6:21

Azimuth: 294.3° SET 14:37

RIGHT NOW 84 Herculis is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of 84 Herculis

The image below is a photograph of 84 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 84 Herculis is -0.115 arcsec per year in Right Ascension and 0.071 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

DSS2 image of 84 Herculis. The red arrow shows the motion of 84 Herculis during the next 1000 years (-1.92 arcmin in Right Ascension and 1.18 arcmin in declination);

Distance of 84 Herculis from the Sun and relative movement

84 Herculis is distant 124.76 light years from the Sun and it is moving towards the Sun at the speed of 26 kilometers per second.

Distance (parsec) 38.27 pc

Distance (light year) 124.76 ly

Heliocentric radial velocity -26 km/s

Proper Motion RA -0.115 arcsec/year

Proper Motion Dec 0.071 arcsec/year

Spectral properties of 84 Herculis

84 Herculis belongs to spectral class G2 and has a luminosity class of III corresponding to a giant star.

Absolute magnitude 2.80

Spectral Type G2III

Color Index (B-V) 0.65

Temperature of 84 Herculis 5778K

The red dot in the diagram below shows where 84 Herculis is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 84 Herculis. Attribution: Richard Powell / CC BY-SA

Alternative designations of 84 Herculis

Flamsteed designation 84 Herculis

Henry Draper Catalogue HD161239

SAO Catalogue SAO85360

Hipparcos Catalogue HIP86731

Durchmusterung Catalogue BD+24 3237

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In Evidence

Other stars in Hercules