49 Cygni

Above the horizon. Rise: 20:48 | Tran: 6:21 | Set: 15:49

Alt: 45.83° Az: 93.35° Direction: East

49 Cygni is a multiple bright giant star of spectral class G8 in the constellation of Cygnus.

49 Cygni visual magnitude is 5.51. Because of its faintness, 49 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 49 Cygni. The red arrow shows the motion of 49 Cygni during the next 10000 years (1.17 arcmin in Right Ascension and -2.33 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 20h 42m 04s

Declination +32° 23’ 55”

Hour Angle 20h 18m 05s

Sidereal Time 17h 00m 10s

J2000

Right Ascension 20h 41m 02s

Declination +32° 18’ 25”

Galactic Coordinates

Galactic Longitude 73.96°

Galactic Latitude -5.88°

Finder Chart

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Finder chart for 49 Cygni.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.51

Class Bright giant

Absolute magnitude -1.45

Spectral Type G8II

Color Index (B-V) 0.88

Temperature 5051K

The red dot in the diagram below shows where 49 Cygni is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 49 Cygni. Attribution: Richard Powell / CC BY-SA

Star System Properties

49 Cygni is a visual double star which can be observed with the help of medium or large telescopes. The table below shows key information about the 49 Cygni double sysyem:

Main star magnitude 5.51

Secondary star magnitude 7.81

Magnitude difference 2.3

Separation 2.5 arcsec

Distance, Radial Speed, Proper Motion

49 Cygni is distant 804.94 light years from the Sun and it is moving towards the Sun at the speed of 29 kilometers per second.

Distance (parsec) 246.91

Distance (light year) 804.94

Radial Speed -29 km/s

Proper Motion RA 0.007 arcsec/y

Proper Motion Dec -0.014"/y

Alternative Designations

Flamsteed designation 49 Cygni

Henry Draper Catalogue HD197177

SAO Catalogue SAO70362

Hipparcos Catalogue HIP102066

Durchmusterung Catalogue BD+31 4181

Aitken Double Star Catalogue ADS14158

Visibility from Your Location

Today's 49 Cygni rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 57.6° RISE 20:48

Max altitude: 70.9° TRANSIT 6:21

Azimuth: 302.4° SET 15:49

Set Location

Other stars in Cygnus