HR4503

Below the horizon. Rise: 18:15 | Tran: 20:40 | Set: 23:05

Alt: -65.49° Az: 48.09° Direction: North-East

HR4503 is a multiple giant star of spectral class K5 in the constellation of Hydra.

HR4503 visual magnitude is 5.22. Because of its faintness, HR4503 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 HR4503. The red arrow shows the motion of HR4503 during the next 10000 years (0.67 arcmin in Right Ascension and -7.00 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 11h 43m 00s

Declination -32° 38’ 26”

Hour Angle 13h 26m 00s

Sidereal Time 01h 09m 01s

J2000

Right Ascension 11h 41m 44s

Declination -32° 29’ 58”

Galactic Coordinates

Galactic Longitude 286.29°

Galactic Latitude 28.11°

Finder Chart

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Finder chart for HR4503.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.22

Class Giant

Absolute magnitude -0.38

Spectral Type K5III

Color Index (B-V) 1.48

Temperature 3824K

The red dot in the diagram below shows where HR4503 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR4503. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR4503 is a visual double star which can be observed with binoculars or small telescopes. The table below shows key information about the HR4503 double sysyem:

Main star magnitude 5.22

Secondary star magnitude 8.32

Magnitude difference 3.1

Separation 67 arcsec

Distance, Radial Speed, Proper Motion

HR4503 is distant 429.51 light years from the Sun and it is moving far from the Sun at the speed of 34 kilometers per second.

Distance (parsec) 131.75

Distance (light year) 429.51

Radial Speed 34 km/s

Proper Motion RA 0.004 arcsec/y

Proper Motion Dec -0.042"/y

Alternative Designations

Henry Draper Catalogue HD101666

SAO Catalogue SAO202717

Hipparcos Catalogue HIP57047

Durchmusterung Catalogue CD-31 9181

Visibility from Your Location

Today's HR4503 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 122.6° RISE 18:15

Max altitude: 5.9° TRANSIT 20:40

Azimuth: 237.4° SET 23:05

Set Location

Other stars in Hydra