63 Cygni

Altitude: 26.1° Azimuth: 45.1° Direction: North-East

63 Cygni is a variable and double supergiant star in the constellation of Cygnus.

63 Cygni visual magnitude is 4.55. Because of its moderate brightness, 63 Cygni should be easily visible from locations with dark skyes, while it can be barely visible, or not visible at all, from skyes affected by light pollution.

The table below summarizes the key facts about 63 Cygni:

Color of 63 Cygni ⬤

Magnitude of 63 Cygni 4.55

Class Supergiant

VISIBILITY RIGHT NOW

63 Cygni is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 26.1°
Azimuth: 45.1°
Direction: North-East

Celestial coordinates and finder chart of 63 Cygni

63 Cygni is situated north of the celestial equator, as such, it is more easily visible from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of 63 Cygni are provided in the following table:

Right Ascension J2000 21h 06m 36s

Declination J2000 +47° 38’ 53”

Galactic Longitude 88.88°

Galactic Latitude 0.2°

Constellation Cygnus

The simplified sky map below shows the position of 63 Cygni in the sky:

Simplified finder chart for 63 Cygni.

Visibility of 63 Cygni from your location

Location: Greenwich, United Kingdom edit_location_alt
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

63 Cygni is circumpolar and transits at 03:57 UTC (altitude: 86.2°)

Digitized Sky Survey image of 63 Cygni

The image below is a photograph of 63 Cygni from the Digitized Sky Survey 2 (DSS2 - see the credits section) taken in the red channel. The area of sky represented in the image is 0.5x0.5 degrees (30x30 arcmins). The proper motion of 63 Cygni is 0.008 arcsec per year in Right Ascension and 0.001 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

DSS2 image of 63 Cygni. The red arrow shows the motion of 63 Cygni during the next 100000 years (13.33 arcmin in Right Ascension and 1.67 arcmin in declination);

Distance of 63 Cygni from the Sun and relative movement

63 Cygni is distant 981.93 light years from the Sun and it is moving towards the Sun at the speed of 26 kilometers per second.

Distance (parsec) 301.20 pc

Distance (light year) 981.93 ly

Heliocentric radial velocity -26 km/s

Proper Motion RA 0.008 arcsec/year

Proper Motion Dec 0.001 arcsec/year

Spectral properties of 63 Cygni

63 Cygni belongs to spectral class K4 and has a luminosity class of I corresponding to a supergiant star.

Absolute magnitude -2.84

Spectral Type K4I

Color Index (B-V) 1.57

Temperature of 63 Cygni 3691K

The red dot in the diagram below shows where 63 Cygni is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 63 Cygni. Attribution: Richard Powell / CC BY-SA

63 Cygni star system properties

63 Cygni 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 63 Cygni double sysyem:

Main star magnitude 4.55

Secondary star magnitude 12.85

Magnitude difference 8.3

Separation 15.7 arcsec

Alternative designations of 63 Cygni

Flamsteed designation 63 Cygni

Henry Draper Catalogue HD201251

SAO Catalogue SAO50456

Hipparcos Catalogue HIP104194

Durchmusterung Catalogue BD+47 3292

FK5 Catalogue 3688

General Catalogue of Variable Stars 13548

Aitken Double Star Catalogue ADS14649

In Evidence

Other stars in Cygnus