HR4580

Below the horizon. Rise: 15:01 | Tran: 21:01 | Set: 3:05

Alt: -24.40° Az: 305.57° Direction: North-West

HR4580 is a double sub-giant star of spectral class K2 in the constellation of Virgo.

HR4580 visual magnitude is 6.17. Because of its faintness, HR4580 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 HR4580. The red arrow shows the motion of HR4580 during the next 10000 years (-10.17 arcmin in Right Ascension and 4.50 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 12h 00m 21s

Declination +00° 23’ 21”

Hour Angle 08h 48m 48s

Sidereal Time 20h 49m 09s

J2000

Right Ascension 11h 59m 03s

Declination +00° 31’ 50”

Galactic Coordinates

Galactic Longitude 275.47°

Galactic Latitude 60.58°

Finder Chart

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Finder chart for HR4580.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.17

Class Sub-giant

Absolute magnitude -0.14

Spectral Type K2IV

Color Index (B-V) 1.26

Temperature 4194K

The red dot in the diagram below shows where HR4580 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR4580. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR4580 is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the HR4580 double sysyem:

Main star magnitude 6.17

Secondary star magnitude 13.87

Magnitude difference 7.7

Separation 14.2 arcsec

Distance, Radial Speed, Proper Motion

HR4580 is distant 597.07 light years from the Sun and it is moving far from the Sun at the speed of 12 kilometers per second.

Distance (parsec) 183.15

Distance (light year) 597.07

Radial Speed 12 km/s

Proper Motion RA -0.061 arcsec/y

Proper Motion Dec 0.027"/y

Alternative Designations

Henry Draper Catalogue HD104055

SAO Catalogue SAO119147

Hipparcos Catalogue HIP58445

Durchmusterung Catalogue BD+01 2636

Aitken Double Star Catalogue ADS8372

Visibility from Your Location

Today's HR4580 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 89.6° RISE 15:01

Max altitude: 38.9° TRANSIT 21:01

Azimuth: 270.4° SET 3:05

Set Location

Other stars in Virgo