HR8723

Above the horizon. Rise: 21:26 | Tran: 8:00 | Set: 18:29

Alt: 69.18° Az: 128.12° Direction: South-East

HR8723 is a double giant star of spectral class B7 in the constellation of Lacerta.

HR8723 visual magnitude is 5.74. Because of its faintness, HR8723 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 HR8723. The red arrow shows the motion of HR8723 during the next 10000 years (3.67 arcmin in Right Ascension and 0.83 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 22h 56m 55s

Declination +36° 29’ 15”

Hour Angle 22h 38m 34s

Sidereal Time 21h 35m 30s

J2000

Right Ascension 22h 55m 44s

Declination +36° 21’ 06”

Galactic Coordinates

Galactic Longitude 98.28°

Galactic Latitude -20.92°

Finder Chart

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Finder chart for HR8723.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.74

Class Giant

Absolute magnitude -1.30

Spectral Type B7III

Color Index (B-V) -0.05

Temperature 10795K

The red dot in the diagram below shows where HR8723 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR8723. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR8723 is a visual double star which can be observed with binoculars or small telescopes. The table below shows key information about the HR8723 double sysyem:

Main star magnitude 5.74

Secondary star magnitude 9.44

Magnitude difference 3.7

Separation 51 arcsec

Distance, Radial Speed, Proper Motion

HR8723 is distant 835.90 light years from the Sun and it is moving far from the Sun at the speed of 1 kilometers per second.

Distance (parsec) 256.41

Distance (light year) 835.90

Radial Speed 1 km/s

Proper Motion RA 0.022 arcsec/y

Proper Motion Dec 0.005"/y

Alternative Designations

Henry Draper Catalogue HD216831

SAO Catalogue SAO72851

Hipparcos Catalogue HIP113222

Durchmusterung Catalogue BD+35 4917

Aitken Double Star Catalogue ADS16376

Visibility from Your Location

Today's HR8723 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 53.5° RISE 21:26

Max altitude: 75.0° TRANSIT 8:00

Azimuth: 306.5° SET 18:29

Set Location

Other stars in Lacerta