HR803

Above the horizon. Rise: 18:21 | Tran: 2:52 | Set: 11:18

Alt: 64.22° Az: 175.94° Direction: South

HR803 is a multiple main-sequence star of spectral class A2 in the constellation of Aries.

HR803 visual magnitude is 6.35. Because of its faintness, HR803 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 HR803. The red arrow shows the motion of HR803 during the next 10000 years (-1.83 arcmin in Right Ascension and -0.83 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 02h 45m 17s

Declination +25° 44’ 30”

Hour Angle 23h 52m 09s

Sideral Time 02h 37m 27s

J2000

Right Ascension 02h 43m 51s

Declination +25° 38’ 17”

Galactic Coordinates

Galactic Longitude 152.53°

Galactic Latitude -30.69°

Finder Chart

Simplified finder chart for HR803.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.35

Class Main-sequence

Absolute magnitude 1.19

Spectral Type A2V

Color Index (B-V) 0.08

Temperature 9226K

The red dot in the diagram below shows where HR803 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR803. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR803 is a visual double star which can be observed with the help of medium or large telescopes. The table below shows key information about the HR803 double sysyem:

Main star magnitude 6.35

Secondary star magnitude 10.45

Magnitude difference 4.1

Separation 2.9 arcsec

Distance, Radial Speed, Proper Motion

HR803 is distant 351.67 light years from the Sun and it is moving towards the Sun at the speed of 11 kilometers per second.

Distance (parsec) 107.87

Distance (light year) 351.67

Radial Speed -11 km/s

Proper Motion RA -0.011 arcsec/y

Proper Motion Dec -0.005"/y

Alternative Designations

Henry Draper Catalogue HD16955

SAO Catalogue SAO75539

Hipparcos Catalogue HIP12744

Durchmusterung Catalogue BD+25 441

Aitken Double Star Catalogue ADS2082

Visibility from Your Location

Today's HR803 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 64.3° RISE 18:21

Max altitude: 64.3° TRANSIT 2:52

Azimuth: 295.7° SET 11:18

Set Location

Other stars in Aries