10 Herculis

10 Herculis is a variable giant star in the constellation of Hercules.

10 Herculis visual magnitude is 5.7. Because of its reltive faintness, 10 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 10 Herculis:

Color of 10 Herculis ⬤

Magnitude of 10 Herculis 5.7

Class Giant

VISIBILITY RIGHT NOW 10 Herculis is below the horizon from Greenwich, United Kingdom [change].

Celestial coordinates and finder chart of 10 Herculis

10 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 10 Herculis are provided in the following table:

Right Ascension J2000 16h 11m 38s

Declination J2000 +23° 29’ 40”

Galactic Longitude 39.93°

Galactic Latitude 44.9°

Constellation Hercules

The simplified sky map below shows the position of 10 Herculis in the sky:

Simplified finder chart for 10 Herculis.

Visibility of 10 Herculis from your location

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

Today's 10 Herculis rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 66.5° RISE 19:52

Max altitude: 62.0° TRANSIT 4:06

Azimuth: 293.5° SET 12:15

RIGHT NOW 10 Herculis is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of 10 Herculis

The image below is a photograph of 10 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 10 Herculis is -0.029 arcsec per year in Right Ascension and -0.012 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of 10 Herculis. The red arrow shows the motion of 10 Herculis during the next 10000 years (-4.83 arcmin in Right Ascension and -2.00 arcmin in declination);

Distance of 10 Herculis from the Sun and relative movement

10 Herculis is distant 565.97 light years from the Sun and it is moving towards the Sun at the speed of 25 kilometers per second.

Distance (parsec) 173.61 pc

Distance (light year) 565.97 ly

Heliocentric radial velocity -25 km/s

Proper Motion RA -0.029 arcsec/year

Proper Motion Dec -0.012 arcsec/year

Spectral properties of 10 Herculis

10 Herculis belongs to spectral class M4 and has a luminosity class of III corresponding to a giant star.

Absolute magnitude -0.50

Spectral Type M4III

Color Index (B-V) 1.56

Temperature of 10 Herculis 3705K

The red dot in the diagram below shows where 10 Herculis is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 10 Herculis. Attribution: Richard Powell / CC BY-SA

Alternative designations of 10 Herculis

Flamsteed designation 10 Herculis

Henry Draper Catalogue HD145713

SAO Catalogue SAO84240

Hipparcos Catalogue HIP79349

Durchmusterung Catalogue BD+23 2909

General Catalogue of Variable Stars LQ Her

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In Evidence

Other stars in Hercules