2 Cygni

Above the horizon. Rise: 11:59 | Tran: 20:59 | Set: 6:03

Alt: 12.72° Az: 57.91° Direction: East-North-East

2 Cygni is a sub-giant star of spectral class B3 in the constellation of Cygnus.

2 Cygni visual magnitude is 4.97. Because of its moderate brightness, 2 Cygni 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 2 Cygni. The red arrow shows the motion of 2 Cygni during the next 10000 years (2.17 arcmin in Right Ascension and 2.17 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 19h 25m 06s

Declination +29° 40’ 15”

Hour Angle 16h 48m 04s

Sideral Time 12h 13m 10s

J2000

Right Ascension 19h 24m 07s

Declination +29° 37’ 17”

Galactic Coordinates

Galactic Longitude 62.9°

Galactic Latitude 6.63°

Finder Chart

Simplified finder chart for 2 Cygni.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 4.97

Class Sub-giant

Absolute magnitude -1.91

Spectral Type B3IV

Color Index (B-V) -0.1

Temperature 11573K

The red dot in the diagram below shows where 2 Cygni is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 2 Cygni. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

2 Cygni is distant 774.35 light years from the Sun and it is moving towards the Sun at the speed of 21 kilometers per second.

Distance (parsec) 237.53

Distance (light year) 774.35

Radial Speed -21 km/s

Proper Motion RA 0.013 arcsec/y

Proper Motion Dec 0.013"/y

Alternative Designations

Flamsteed designation 2 Cygni

Henry Draper Catalogue HD182568

SAO Catalogue SAO87159

Hipparcos Catalogue HIP95372

Durchmusterung Catalogue BD+29 3584

FK5 Catalogue 3550

Visibility from Your Location

Today's 2 Cygni rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 60.3° RISE 11:59

Max altitude: 68.2° TRANSIT 20:59

Azimuth: 299.7° SET 6:03

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

Location

Other stars in Cygnus