69 Herculis

69 Herculis is a variable main-sequence star in the constellation of Hercules.

69 Herculis visual magnitude is 4.65. Because of its moderate brightness, 69 Herculis should be easily visible from locations with dark skyes, while it can be barely visible, or not visible at all, from skyes affected by light pollution.

The table below summarizes the key facts about 69 Herculis:

Color of 69 Herculis ⬤

Magnitude of 69 Herculis 4.65

Class Main-sequence

VISIBILITY RIGHT NOW 69 Herculis is above the horizon from Greenwich, United Kingdom [change]. Altitude: 3°.

Celestial coordinates and finder chart of 69 Herculis

69 Herculis is situated north of the celestial equator, as such, it is more easily visible from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of 69 Herculis are provided in the following table:

Right Ascension J2000 17h 17m 40s

Declination J2000 +37° 17’ 30”

Galactic Longitude 61.35°

Galactic Latitude 33.91°

Constellation Hercules

The simplified sky map below shows the position of 69 Herculis in the sky:

Simplified finder chart for 69 Herculis.

Visibility of 69 Herculis from your location

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

Today's 69 Herculis rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 52.7° RISE 18:34

Max altitude: 75.8° TRANSIT 5:27

Azimuth: 307.3° SET 16:16

RIGHT NOW 69 Herculis is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of 69 Herculis

The image below is a photograph of 69 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 69 Herculis is -0.034 arcsec per year in Right Ascension and 0.063 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of 69 Herculis. The red arrow shows the motion of 69 Herculis during the next 10000 years (-5.67 arcmin in Right Ascension and 10.50 arcmin in declination);

Distance of 69 Herculis from the Sun and relative movement

69 Herculis is distant 177.75 light years from the Sun and it is moving towards the Sun at the speed of 10 kilometers per second.

Distance (parsec) 54.53 pc

Distance (light year) 177.75 ly

Heliocentric radial velocity -10 km/s

Proper Motion RA -0.034 arcsec/year

Proper Motion Dec 0.063 arcsec/year

Spectral properties of 69 Herculis

69 Herculis belongs to spectral class A2 and has a luminosity class of V corresponding to a main-sequence star.

Absolute magnitude 0.97

Spectral Type A2V

Color Index (B-V) 0.05

Temperature of 69 Herculis 9542K

The red dot in the diagram below shows where 69 Herculis is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 69 Herculis. Attribution: Richard Powell / CC BY-SA

Alternative designations of 69 Herculis

Flamsteed designation 69 Herculis

Henry Draper Catalogue HD156729

SAO Catalogue SAO65921

Hipparcos Catalogue HIP84606

Durchmusterung Catalogue BD+37 2864

General Catalogue of Variable Stars 8489

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In Evidence

Other stars in Hercules