32 Cygni

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

32 Cygni visual magnitude is 3.98. Because of its moderate brightness, 32 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 32 Cygni:

Color of 32 Cygni ⬤

Magnitude of 32 Cygni 3.98

Class Supergiant

VISIBILITY RIGHT NOW 32 Cygni is above the horizon from Greenwich, United Kingdom edit_location_alt. Altitude: 71°.

Celestial coordinates and finder chart of 32 Cygni

32 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 32 Cygni are provided in the following table:

Right Ascension J2000 20h 15m 28s

Declination J2000 +47° 42’ 51”

Galactic Longitude 83.67°

Galactic Latitude 7.05°

Constellation Cygnus

The simplified sky map below shows the position of 32 Cygni in the sky:

Simplified finder chart for 32 Cygni.

Visibility of 32 Cygni from your location

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

32 Cygni is circumpolar and transits at 03:45 UTC (altitude: 86.2°)

Digitized Sky Survey image of 32 Cygni

The image below is a photograph of 32 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 32 Cygni is 0.001 arcsec per year in Right Ascension and 0.008 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

DSS2 image of 32 Cygni. The red arrow shows the motion of 32 Cygni during the next 100000 years (1.67 arcmin in Right Ascension and 13.33 arcmin in declination);

Distance of 32 Cygni from the Sun and relative movement

32 Cygni is distant 1,108.84 light years from the Sun and it is moving towards the Sun at the speed of 14 kilometers per second.

Distance (parsec) 340.14 pc

Distance (light year) 1,108.84 ly

Heliocentric radial velocity -14 km/s

Proper Motion RA 0.001 arcsec/year

Proper Motion Dec 0.008 arcsec/year

Spectral properties of 32 Cygni

32 Cygni belongs to spectral class K3 and has a luminosity class of I corresponding to a supergiant star.

Absolute magnitude -3.68

Spectral Type K3I

Color Index (B-V) 1.52

Temperature of 32 Cygni 3764K

The red dot in the diagram below shows where 32 Cygni is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 32 Cygni. Attribution: Richard Powell / CC BY-SA

32 Cygni star system properties

32 Cygni is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the 32 Cygni double sysyem:

Main star magnitude 3.98

Secondary star magnitude 9.48

Magnitude difference 5.5

Separation 208.9 arcsec

Alternative designations of 32 Cygni

Flamsteed designation 32 Cygni

Henry Draper Catalogue HD192909

SAO Catalogue SAO49385

Hipparcos Catalogue HIP99848

Durchmusterung Catalogue BD+47 3059

General Catalogue of Variable Stars V1488 Cyg

In Evidence

Other stars in Cygnus