HR7109

Above the horizon. Rise: 18:36 | Tran: 1:51 | Set: 9:01

Alt: 48.21° Az: 145.35° Direction: South-West

HR7109 is a variable main-sequence star of spectral class B8 in the constellation of Hercules.

HR7109 visual magnitude is 6.14. Because of its faintness, HR7109 is visible to the naked eye only from locations with very dark skies, while it is not visible at all from skies affected by light pollution.

DSS2 image of HR7109. The red arrow shows the motion of HR7109 during the next 10000 years (-1.83 arcmin in Right Ascension and -0.83 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 18h 53m 11s

Declination +13° 59’ 52”

Hour Angle 22h 28m 02s

Sidereal Time 17h 21m 14s

J2000

Right Ascension 18h 52m 01s

Declination +13° 57’ 56”

Galactic Coordinates

Galactic Longitude 45.48°

Galactic Latitude 6.19°

Finder Chart

Loading map...

Finder chart for HR7109.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.14

Class Main-sequence

Absolute magnitude -0.81

Spectral Type B8V

Color Index (B-V) 0

Temperature 10125K

The red dot in the diagram below shows where HR7109 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR7109. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR7109 is distant 799.02 light years from the Sun and it is moving towards the Sun at the speed of 29 kilometers per second.

Distance (parsec) 245.10

Distance (light year) 799.02

Radial Speed -29 km/s

Proper Motion RA -0.011 arcsec/y

Proper Motion Dec -0.005"/y

Alternative Designations

Henry Draper Catalogue HD174853

SAO Catalogue SAO104196

Hipparcos Catalogue HIP92593

Durchmusterung Catalogue BD+13 3787

FK5 Catalogue 3503

General Catalogue of Variable Stars V822 Her

Visibility from Your Location

Today's HR7109 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 76.0° RISE 18:36

Max altitude: 52.5° TRANSIT 1:51

Azimuth: 284.0° SET 9:01

Set Location

Other stars in Hercules