52 Cygni

52 Cygni is a double giant star in the constellation of Cygnus.

52 Cygni visual magnitude is 4.22. Because of its moderate brightness, 52 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 52 Cygni:

Color of 52 Cygni ⬤

Magnitude of 52 Cygni 4.22

Class Giant

VISIBILITY RIGHT NOW 52 Cygni is above the horizon from Greenwich, United Kingdom [change]. Altitude: 25°.

Celestial coordinates and finder chart of 52 Cygni

52 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 52 Cygni are provided in the following table:

Right Ascension J2000 20h 45m 39s

Declination J2000 +30° 43’ 10”

Galactic Longitude 73.3°

Galactic Latitude -7.63°

Constellation Cygnus

The simplified sky map below shows the position of 52 Cygni in the sky:

Simplified finder chart for 52 Cygni.

Visibility of 52 Cygni from your location

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

Today's 52 Cygni rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 59.3° RISE 23:53

Max altitude: 69.2° TRANSIT 9:07

Azimuth: 300.7° SET 18:18

RIGHT NOW 52 Cygni is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of 52 Cygni

The image below is a photograph of 52 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 52 Cygni is -0.01 arcsec per year in Right Ascension and 0.028 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of 52 Cygni. The red arrow shows the motion of 52 Cygni during the next 10000 years (-1.67 arcmin in Right Ascension and 4.67 arcmin in declination);

Distance of 52 Cygni from the Sun and relative movement

52 Cygni is distant 205.81 light years from the Sun and it is moving towards the Sun at the speed of 1 kilometers per second.

Distance (parsec) 63.13 pc

Distance (light year) 205.81 ly

Heliocentric radial velocity -1 km/s

Proper Motion RA -0.01 arcsec/year

Proper Motion Dec 0.028 arcsec/year

Spectral properties of 52 Cygni

52 Cygni belongs to spectral class G9 and has a luminosity class of III corresponding to a giant star.

Absolute magnitude 0.22

Spectral Type G9III

Color Index (B-V) 1.05

Temperature of 52 Cygni 4626K

The red dot in the diagram below shows where 52 Cygni is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 52 Cygni. Attribution: Richard Powell / CC BY-SA

52 Cygni star system properties

52 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 52 Cygni double sysyem:

Main star magnitude 4.22

Secondary star magnitude 9.22

Magnitude difference 5

Separation 6.1 arcsec

Alternative designations of 52 Cygni

Flamsteed designation 52 Cygni

Henry Draper Catalogue HD197912

SAO Catalogue SAO70467

Hipparcos Catalogue HIP102453

Durchmusterung Catalogue BD+30 4167

Aitken Double Star Catalogue ADS14259

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Other stars in Cygnus