ρ Cygni (rho Cygni)

Above the horizon. Circumpolar today

Alt: 40.19° Az: 63.69° Direction: East-North-East

ρ Cygni is a variable giant star of spectral class G8 in the constellation of Cygnus.

ρ Cygni visual magnitude is 4.02. Because of its moderate brightness, ρ 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 ρ Cygni. The red arrow shows the motion of ρ Cygni during the next 1000 years (-0.38 arcmin in Right Ascension and -1.57 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 21h 34m 56s

Declination +45° 42’ 23”

Hour Angle 18h 45m 14s

Sidereal Time 16h 20m 11s

J2000

Right Ascension 21h 33m 58s

Declination +45° 35’ 30”

Galactic Coordinates

Galactic Longitude 90.74°

Galactic Latitude -4.58°

Finder Chart

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Finder chart for ρ Cygni (rho Cygni).

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 4.02

Class Giant

Absolute magnitude 1.11

Spectral Type G8III

Color Index (B-V) 0.89

Temperature 5023K

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

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

Distance, Radial Speed, Proper Motion

ρ Cygni is distant 124.43 light years from the Sun and it is moving far from the Sun at the speed of 7 kilometers per second.

Distance (parsec) 38.17

Distance (light year) 124.43

Radial Speed 7 km/s

Proper Motion RA -0.023 arcsec/y

Proper Motion Dec -0.094"/y

Alternative Designations

Bayer designation ρ Cygni
(rho Cygni)

Flamsteed designation 73 Cygni

Henry Draper Catalogue HD205435

SAO Catalogue SAO51035

Hipparcos Catalogue HIP106481

Durchmusterung Catalogue BD+44 3865

FK5 Catalogue 1568

General Catalogue of Variable Stars 13787

Visibility from Your Location

ρ Cygni (rho Cygni) is circumpolar and transits at 01:54 UTC (altitude: 84.2°)

In Evidence

Other stars in Cygnus

ρ Cygni (rho Cygni)

Celestial Coordinates

Apparent

J2000

Galactic Coordinates

Finder Chart

Magnitude, Color, Spectral Class

Distance, Radial Speed, Proper Motion

Alternative Designations

Visibility from Your Location

Set Location

In Evidence

Other stars in Cygnus

ρ Cygni (rho Cygni)

Celestial Coordinates

Apparent

J2000

Galactic Coordinates

Finder Chart

Magnitude, Color, Spectral Class

Distance, Radial Speed, Proper Motion

Alternative Designations

Visibility from Your Location