HR7659

Below the horizon. Rise: 18:48 | Tran: 21:20 | Set: 23:53

Alt: -61.92° Az: 303.21° Direction: West-North-West

HR7659 is a variable and double giant star of spectral class K1 in the constellation of Sagittarius.

HR7659 visual magnitude is 4.99. Because of its moderate brightness, HR7659 is easily visible to the naked eye from locations with dark skies, while it might be barely visible, or not visible at all, from light-polluted skies.

DSS2 image of HR7659. The red arrow shows the motion of HR7659 during the next 10000 years (7.83 arcmin in Right Ascension and -2.50 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 20h 05m 53s

Declination -31° 59’ 05”

Hour Angle 10h 09m 19s

Sideral Time 06h 15m 12s

J2000

Right Ascension 20h 04m 19s

Declination -32° 03’ 23”

Galactic Coordinates

Galactic Longitude 9.34°

Galactic Latitude -28.55°

Finder Chart

Simplified finder chart for HR7659.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 4.99

Class Giant

Absolute magnitude 0.00

Spectral Type K1III

Color Index (B-V) 1.21

Temperature 4289K

The red dot in the diagram below shows where HR7659 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR7659. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR7659 is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the HR7659 double sysyem:

Main star magnitude 4.99

Secondary star magnitude 12.59

Magnitude difference 7.6

Separation 51.3 arcsec

Distance, Radial Speed, Proper Motion

HR7659 is distant 324.38 light years from the Sun and it is moving towards the Sun at the speed of 12 kilometers per second.

Distance (parsec) 99.50

Distance (light year) 324.38

Radial Speed -12 km/s

Proper Motion RA 0.047 arcsec/y

Proper Motion Dec -0.015"/y

Alternative Designations

Henry Draper Catalogue HD190056

SAO Catalogue SAO211782

Hipparcos Catalogue HIP98842

Durchmusterung Catalogue CD-3215682

FK5 Catalogue 3606

General Catalogue of Variable Stars 12746

Visibility from Your Location

Today's HR7659 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 122.0° RISE 18:48

Max altitude: 6.5° TRANSIT 21:20

Azimuth: 238.0° SET 23:53

Name:	Greenwich, UK
Latitude:	51° 28' 48.0" N
Longitude:	0° 0' 0.0" E
Timezone:	Europe/London

Location

Other stars in Sagittarius