HR881

Above the horizon. Circumpolar today

Alt: 43.75° Az: 349.44° Direction: North

HR881 is a double giant star of spectral class M1 in the constellation of Cepheus.

HR881 visual magnitude is 5.49. Because of its faintness, HR881 is visible to the naked eye only from locations with very dark skies, while it is not visible at all from skies affected by light pollution.

DSS2 image of HR881. The red arrow shows the motion of HR881 during the next 10000 years (-6.50 arcmin in Right Ascension and 1.50 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 03h 09m 39s

Declination +79° 30’ 54”

Hour Angle 08h 53m 21s

Sidereal Time 12h 03m 00s

J2000

Right Ascension 03h 06m 07s

Declination +79° 25’ 06”

Galactic Coordinates

Galactic Longitude 129.08°

Galactic Latitude 18.19°

Finder Chart

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Finder chart for HR881.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.49

Class Giant

Absolute magnitude -1.15

Spectral Type M1III

Color Index (B-V) 1.57

Temperature 3691K

The red dot in the diagram below shows where HR881 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR881. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR881 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 HR881 double sysyem:

Main star magnitude 5.49

Secondary star magnitude 9.89

Magnitude difference 4.4

Separation 4.7 arcsec

Distance, Radial Speed, Proper Motion

HR881 is distant 695.10 light years from the Sun and it is moving towards the Sun at the speed of 38 kilometers per second.

Distance (parsec) 213.22

Distance (light year) 695.10

Radial Speed -38 km/s

Proper Motion RA -0.039 arcsec/y

Proper Motion Dec 0.009"/y

Alternative Designations

Henry Draper Catalogue HD18438

SAO Catalogue SAO4810

Hipparcos Catalogue HIP14417

Durchmusterung Catalogue BD+78 103

FK5 Catalogue 105

Aitken Double Star Catalogue ADS2294

Visibility from Your Location

HR881 is circumpolar and transits at 11:08 UTC (altitude: 62.0°)

Set Location

Other stars in Cepheus