48 Cygni

Above the horizon. Rise: 18:43 | Tran: 4:07 | Set: 13:27

Alt: 0.09° Az: 32.76° Direction: North-North-East

48 Cygni is a multiple giant star of spectral class B8 in the constellation of Cygnus.

48 Cygni visual magnitude is 6.32. Because of its faintness, 48 Cygni 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 48 Cygni. The red arrow shows the motion of 48 Cygni during the next 10000 years (1.67 arcmin in Right Ascension and 0.00 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 20h 38m 33s

Declination +31° 39’ 45”

Hour Angle 14h 37m 54s

Sidereal Time 11h 16m 28s

J2000

Right Ascension 20h 37m 31s

Declination +31° 34’ 21”

Galactic Coordinates

Galactic Longitude 72.92°

Galactic Latitude -5.73°

Finder Chart

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Finder chart for 48 Cygni.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.32

Class Giant

Absolute magnitude -0.58

Spectral Type B8III

Color Index (B-V) -0.09

Temperature 11407K

The red dot in the diagram below shows where 48 Cygni is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 48 Cygni. Attribution: Richard Powell / CC BY-SA

Star System Properties

48 Cygni is a visual double star which can be observed with binoculars or small telescopes. The table below shows key information about the 48 Cygni double sysyem:

Main star magnitude 6.32

Secondary star magnitude 6.42

Magnitude difference 0.1

Separation 180.8 arcsec

Distance, Radial Speed, Proper Motion

48 Cygni is distant 783.65 light years from the Sun and it is moving towards the Sun at the speed of 19 kilometers per second.

Distance (parsec) 240.38

Distance (light year) 783.65

Radial Speed -19 km/s

Proper Motion RA 0.01 arcsec/y

Alternative Designations

Flamsteed designation 48 Cygni

Henry Draper Catalogue HD196606

SAO Catalogue SAO70287

Hipparcos Catalogue HIP101765

Durchmusterung Catalogue BD+31 4159

Visibility from Your Location

Today's 48 Cygni rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 58.3° RISE 18:43

Max altitude: 70.2° TRANSIT 4:07

Azimuth: 301.7° SET 13:27

Set Location

Other stars in Cygnus