HR891

Above the horizon. Circumpolar today

Alt: 34.44° Az: 313.00° Direction: North-West

HR891 is a double main-sequence star of spectral class B9 in the constellation of Perseus.

HR891 visual magnitude is 6.74. Because of its faintness, HR891 is not visible to the naked eye.

DSS2 image of HR891. The red arrow shows the motion of HR891 during the next 10000 years (2.33 arcmin in Right Ascension and -3.50 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 03h 02m 40s

Declination +52° 26’ 56”

Hour Angle 06h 33m 07s

Sideral Time 09h 35m 47s

J2000

Right Ascension 03h 00m 53s

Declination +52° 21’ 07”

Galactic Coordinates

Galactic Longitude 142.11°

Galactic Latitude -5.63°

Finder Chart

Simplified finder chart for HR891.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.74

Class Main-sequence

Absolute magnitude 0.16

Spectral Type B9V

Color Index (B-V) 0

Temperature 10125K

The red dot in the diagram below shows where HR891 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR891. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR891 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 HR891 double sysyem:

Main star magnitude 6.74

Secondary star magnitude 8.14

Magnitude difference 1.4

Separation 11.9 arcsec

Distance, Radial Speed, Proper Motion

HR891 is distant 676.35 light years from the Sun and it is moving towards the Sun at the speed of 2 kilometers per second.

Distance (parsec) 207.47

Distance (light year) 676.35

Radial Speed -2 km/s

Proper Motion RA 0.014 arcsec/y

Proper Motion Dec -0.021"/y

Alternative Designations

Henry Draper Catalogue HD18538

SAO Catalogue SAO23765

Hipparcos Catalogue HIP14047

Durchmusterung Catalogue BD+51 665

Aitken Double Star Catalogue ADS2270

Visibility from Your Location

HR891 is circumpolar and transits at 02:05 UTC (altitude: 89.0°)

Set Location

Other stars in Perseus