105 Herculis

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

105 Herculis visual magnitude is 5.27. Because of its reltive faintness, 105 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 105 Herculis:

Color of 105 Herculis ⬤

Magnitude of 105 Herculis 5.27

Class Giant

VISIBILITY RIGHT NOW 105 Herculis is below the horizon from Greenwich, United Kingdom [change].

Celestial coordinates and finder chart of 105 Herculis

105 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 105 Herculis are provided in the following table:

Right Ascension J2000 18h 19m 10s

Declination J2000 +24° 26’ 45”

Galactic Longitude 51.92°

Galactic Latitude 17.6°

Constellation Hercules

The simplified sky map below shows the position of 105 Herculis in the sky:

Simplified finder chart for 105 Herculis.

Visibility of 105 Herculis from your location

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

Today's 105 Herculis rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 65.6° RISE 22:08

Max altitude: 63.0° TRANSIT 6:29

Azimuth: 294.4° SET 14:45

RIGHT NOW 105 Herculis is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of 105 Herculis

The image below is a photograph of 105 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 105 Herculis is 0.009 arcsec per year in Right Ascension and 0.006 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

DSS2 image of 105 Herculis. The red arrow shows the motion of 105 Herculis during the next 100000 years (15.00 arcmin in Right Ascension and 10.00 arcmin in declination);

Distance of 105 Herculis from the Sun and relative movement

105 Herculis is distant 1,278.43 light years from the Sun and it is moving towards the Sun at the speed of 14 kilometers per second.

Distance (parsec) 392.16 pc

Distance (light year) 1,278.43 ly

Heliocentric radial velocity -14 km/s

Proper Motion RA 0.009 arcsec/year

Proper Motion Dec 0.006 arcsec/year

Spectral properties of 105 Herculis

105 Herculis belongs to spectral class K3 and has a luminosity class of III corresponding to a giant star.

Absolute magnitude -2.70

Spectral Type K3III

Color Index (B-V) 1.53

Temperature of 105 Herculis 3749K

The red dot in the diagram below shows where 105 Herculis is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 105 Herculis. Attribution: Richard Powell / CC BY-SA

Alternative designations of 105 Herculis

Flamsteed designation 105 Herculis

Henry Draper Catalogue HD168532

SAO Catalogue SAO85921

Hipparcos Catalogue HIP89773

Durchmusterung Catalogue BD+24 3381

FK5 Catalogue 3457

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In Evidence

Other stars in Hercules