HR687

Above the horizon. Circumpolar today

Alt: 31.81° Az: 61.77° Direction: East-North-East

HR687 is a multiple hypergiant star of spectral class F0 in the constellation of Andromeda.

HR687 visual magnitude is 5.82. Because of its faintness, HR687 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 HR687. The red arrow shows the motion of HR687 during the next 1000 years (-1.28 arcmin in Right Ascension and -1.60 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 02h 24m 24s

Declination +41° 30’ 34”

Hour Angle 18h 04m 11s

Sidereal Time 20h 28m 36s

J2000

Right Ascension 02h 22m 50s

Declination +41° 23’ 47”

Galactic Coordinates

Galactic Longitude 140.8°

Galactic Latitude -18.28°

Finder Chart

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Finder chart for HR687.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.82

Class Hypergiant

Absolute magnitude 2.45

Spectral Type F0III

Color Index (B-V) 0.27

Temperature 7658K

The red dot in the diagram below shows where HR687 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR687. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR687 is a visual double star which can be observed with binoculars or small telescopes. The table below shows key information about the HR687 double sysyem:

Main star magnitude 5.82

Secondary star magnitude 7.62

Magnitude difference 1.8

Separation 295.5 arcsec

Distance, Radial Speed, Proper Motion

HR687 is distant 154.06 light years from the Sun and it is moving towards the Sun at the speed of 35 kilometers per second.

Distance (parsec) 47.26

Distance (light year) 154.06

Radial Speed -35 km/s

Proper Motion RA -0.077 arcsec/y

Proper Motion Dec -0.096"/y

Alternative Designations

Henry Draper Catalogue HD14622

SAO Catalogue SAO37986

Hipparcos Catalogue HIP11090

Durchmusterung Catalogue BD+40 500

FK5 Catalogue 2161

Visibility from Your Location

HR687 is circumpolar and transits at 17:04 UTC (altitude: 80.0°)

Set Location

Other stars in Andromeda