HR7956

Above the horizon. Rise: 12:39 | Tran: 22:34 | Set: 8:33

Alt: 38.38° Az: 80.55° Direction: East

HR7956 is a variable and multiple giant star of spectral class K3 in the constellation of Cygnus.

HR7956 visual magnitude is 4.92. Because of its moderate brightness, HR7956 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 HR7956. The red arrow shows the motion of HR7956 during the next 10000 years (7.83 arcmin in Right Ascension and 0.67 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 20h 48m 09s

Declination +34° 27’ 57”

Hour Angle 19h 21m 11s

Sideral Time 16h 09m 21s

J2000

Right Ascension 20h 47m 10s

Declination +34° 22’ 27”

Galactic Coordinates

Galactic Longitude 76.39°

Galactic Latitude -5.62°

Finder Chart

Simplified finder chart for HR7956.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 4.92

Class Giant

Absolute magnitude -0.52

Spectral Type K3III

Color Index (B-V) 1.32

Temperature 4086K

The red dot in the diagram below shows where HR7956 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR7956. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR7956 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 HR7956 double sysyem:

Main star magnitude 4.92

Secondary star magnitude 11.42

Magnitude difference 6.5

Separation 9.9 arcsec

Distance, Radial Speed, Proper Motion

HR7956 is distant 398.53 light years from the Sun and it is moving towards the Sun at the speed of 23 kilometers per second.

Distance (parsec) 122.25

Distance (light year) 398.53

Radial Speed -23 km/s

Proper Motion RA 0.047 arcsec/y

Proper Motion Dec 0.004"/y

Alternative Designations

Henry Draper Catalogue HD198134

SAO Catalogue SAO70499

Hipparcos Catalogue HIP102571

Durchmusterung Catalogue BD+33 4028

General Catalogue of Variable Stars T Cyg

Aitken Double Star Catalogue ADS14290

Visibility from Your Location

Today's HR7956 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 55.5° RISE 12:39

Max altitude: 73.0° TRANSIT 22:34

Azimuth: 304.5° SET 8:33

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

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Location

Other stars in Cygnus